[HN Gopher] All-electric Cessna Grand Caravan makes maiden flight
       ___________________________________________________________________
        
       All-electric Cessna Grand Caravan makes maiden flight
        
       Author : prostoalex
       Score  : 120 points
       Date   : 2020-05-30 03:59 UTC (19 hours ago)
        
 (HTM) web link (www.flightglobal.com)
 (TXT) w3m dump (www.flightglobal.com)
        
       | flyGuyOnTheSly wrote:
       | Amazing that the only thing you hear is the wind rustling by.
       | 
       | Silent planes would be welcomed by many people living in densely
       | populated cities with high air traffic.
       | 
       | They're almost giving away apartments near Pearson Airport in
       | Toronto, for example.
       | 
       | The price per square foot in that area is ~10x lower than the
       | rest of the city and for good reason. (You are constantly
       | bombarded by the sound of jet engines passing by).
        
         | AdrianB1 wrote:
         | Not true; the only aircraft that does what you describe is a
         | glider. Any propeller will generate a lot of noise, the tips of
         | the blades get close to the sound barrier. Disclaimer: pilot
         | here, I did fly gliders and I fly propeller planes regularly.
        
           | m4rtink wrote:
           | Well, even in a glider all the air moving by does quite some
           | hissing, so its not completely silent (judging from the two
           | flights I took as a passenger in a Blanik and Super Blanik
           | respectively). Still much quieter than a small prop aircraft
           | & you can talk with the pilot just fine.
           | 
           | On the other hand from the ground - yeah, a glider is pretty
           | much silent. You might sometimes hear some rather earie
           | whistling from some types when they are directly above, but
           | thats it.
        
             | AdrianB1 wrote:
             | He said the wind is the only thing you hear. Yes, in a
             | glider you hear the air moving, but adding a propeller adds
             | a huge amount of noise over that base sound.
        
         | dmitrygr wrote:
         | I love the sound of airplanes and all things airplane related.
         | I think you may have just given me a great tip as to where to
         | buy real estate. Thanks!
        
           | [deleted]
        
           | perl4ever wrote:
           | For all that you read about people complaining about airplane
           | noise, I grew up only a mile or two from an airport and never
           | thought about it nor do I remember anyone else complaining.
           | But one of my recurring dreams/nightmares for most of my life
           | is of watching a plane overhead and realizing at first
           | something is wrong and then that it's going to crash in the
           | back yard.
        
         | jeffbee wrote:
         | Considering the rate at which the general aviation fleet turns
         | over (~none in ~forever), and that the typical Cessna is flying
         | around with a World War 2 engine or its closely related
         | descendant, I predict that it will be roughly infinity years
         | before people who live at the ends of airports stop cursing the
         | noises.
         | 
         | Of course, if they just outlaw 100LL avgas and pass some noise
         | regulations the problem will solve itself.
        
           | unchocked wrote:
           | Those people can curse all they want, but the airports
           | predate their homeownership.
        
           | briandear wrote:
           | Or maybe people could stop buying houses next to an airport
           | that has been around for 80 years and arriving surprised that
           | people fly airplanes around airports.
        
           | catalogia wrote:
           | The typical non-electric Cessna Grand Caravan doesn't use
           | avgas (they have turboprop engines), so outlawing leaded
           | wouldn't ground them.
        
           | perl4ever wrote:
           | I was never clear on why leaded avgas wasn't banned long ago.
           | I know I've run across information on the internet about
           | aircraft engines that can run on unleaded.
        
             | NikolaeVarius wrote:
             | They're working on it. Can't ban it since many airplanes
             | still require it.
        
               | amluto wrote:
               | I'm not entirely sure I buy this argument. Ban it
               | effective on a fixed date in a few years and introduce a
               | favorable regulatory regime to help with replacements. If
               | some planes won't be able to fly, so be it.
               | 
               | Alternatively, introduce a Pigouvian tax: charge an
               | obscene and increasing amount to burn leaded fuel.
               | 
               | This is kind of like the regulations that permit grossly
               | polluting old collectible cars to operate. Sure, they
               | have history, but that's not a sufficient excuse to allow
               | them to operate unmodified near other people.
        
               | dpe82 wrote:
               | Most piston engine aircraft in the country require, by
               | regulation, 100LL. Oil companies and the FAA have been
               | working for years to develop a replacement and came very
               | close a couple years ago, but since the FAA _strongly_
               | favors safety and reliability over almost any other
               | consideration it takes a very long time to collect enough
               | data to have confidence a potential replacement is truly
               | equivalent. We have ~80 years of safety data for 100LL.
               | 
               | Generally speaking, airports are reluctant to spend money
               | on a second set of tanks, pumps, etc. required during a
               | transition period; though some have - particularly in the
               | midwest where there are a lot of less regulated homebuilt
               | aircraft that can burn alternative fuels.
               | 
               | A lot of pilots would love to burn something else. 100LL
               | is relatively nasty and builds up in engines, shortening
               | their life. It's even actively discouraged to burn 100LL
               | in some more modern small aircraft engines like the Rotax
               | 912 and pilots like myself who run that engine look for
               | non-leaded fuel whenever practical because it's healthier
               | for the engine. But well maintained aircraft last just
               | about forever and the legacy fleet is absolutely
               | enormous.
        
               | parsimo2010 wrote:
               | I'm an owner and pilot of one of the previously mentioned
               | planes that run on leaded fuel. The current issue with
               | your plan is that for a vast chunk of the GA fleet there
               | is no certified alternative to leaded fuel. Some planes
               | have supplemental type certificates (STC) available that
               | allow them to burn unleaded fuel, but many do not (such
               | as my Grumman Tiger). It's not just the engine, it's the
               | fuel system in the plane that must be certified- this is
               | not just a paperwork drill, there have been failed
               | certification attempts because the fuel system couldn't
               | deliver enough fuel pressure at certain temperatures.
               | 
               | The FAA is required to evaluate the impact of new
               | regulations on the existing fleet. A change that would
               | eliminate or place a prohibitively high tax on leaded
               | fuel would likely be shown to eliminate half of the GA
               | fleet. This will not be approved until the impact can be
               | reduced. Developing and certifying new engines and fuel
               | system components for all the different aircraft type
               | certificates is totally infeasible; a new fuel substitute
               | is pretty much the only option.
               | 
               | The FAA has made huge regulation changes before but there
               | has always been an alternative. The recent ADS-B mandate
               | requires about $5k of new equipment before a plane is
               | allowed to fly where Mode C transponders were previously
               | sufficient. This is/was expensive for many private
               | pilots, but was deemed to be acceptable for the safety
               | benefits gained. Some owners have chosen not to add the
               | ADS-B equipment and haven't been allowed to fly in some
               | parts of the country, but they can still fly most places.
               | A fuel regulation that grounds half the fleet with no
               | alternative regardless of the price is a completely other
               | level of impact.
               | 
               | The FAA and most pilots want an alternative to leaded
               | fuel (at least for the assumed cost savings if not for
               | the environment). Energy companies are working on
               | unleaded substitutes but current options still require an
               | STC to burn. You probably won't see leaded fuel going
               | away until there is a universally approved replacement
               | that can just take the place of 100LL at every airport in
               | the country.
        
         | sokoloff wrote:
         | Props still make significant noise, especially at takeoff RPM.
         | 
         | A friend of mine owned a house under the approach path to a
         | medium-volume reliever airport (KBED). All of the piston
         | airplanes that flew overhead were perfectly pleasant (at least
         | to me), but the jets were notably more annoying.
         | 
         | Carrying more power/noise, more speed, and more disturbance to
         | stay flying while dirtied up, the difference was night and day.
         | I suspect the PT-6 powered C208 would already fall on the "not
         | so annoying" side of that spectrum (closer to the piston props
         | than the turbojets' noise profile), so changing fuel might not
         | provide that much relief to those who bought houses near
         | airports.
        
           | inamberclad wrote:
           | I have a theory that we'll be able to reduce the RPM and
           | increase the torque of these engines, versus conventional gas
           | turbines and piston engines, thereby reducing the tip speed
           | of the blades
        
             | sokoloff wrote:
             | Maybe. The PT6A already has a gearbox, so the engineers are
             | presumably able to choose a reduction ratio and prop RPM
             | quite independently of the gas and power generator
             | rotational speeds. (There are still torque limits in the
             | gearbox output, though it seems the same constraints would
             | face an electric motor.)
        
               | dpe82 wrote:
               | In most planes, pilots are already able to chose their
               | propeller RPM somewhat independently of torque by varying
               | the pitch of the propeller. However, pilots typically
               | optimize for rate of climb and not noise in order to get
               | out of the low altitude / low airspeed danger zone as
               | quickly as possible.
        
               | sokoloff wrote:
               | Yes. What GP is talking about though is changing the
               | _range of speeds available_ for pilot selection by
               | changing the prop length, airfoil, maybe number of
               | blades, and other design parameters. IOW, the design
               | elements, not so much the operational element. Similar to
               | how the C421 cruises at 1800-1900 prop RPM to give a(n
               | eerily) quieter cabin.
        
       | sokoloff wrote:
       | I'm skeptical about the $6 of electricity for the 30-minute
       | flight, or at least want to see the assumptions there.
       | 
       | Even at super cheap $0.06/kWh rates, and 100% plug-to-motor
       | efficiency, that's only 100kWh. For a rated power of 560kW, that
       | suggests an _average_ power setting of around 35%.
        
         | darksaints wrote:
         | That may be cheap for residential, but commercial and
         | industrial rates are much lower. $.015 isn't uncommon.
        
         | [deleted]
        
         | sergeykish wrote:
         | We have numbers for
         | https://en.wikipedia.org/wiki/NASA_X-57_Maxwell
         | 
         | > maximum flight time of approximately one hour.
         | 
         | > 47 kWh (170 MJ) battery packs weight 860 lb (390 kg) for a
         | 121 Wh/kg density.
         | 
         | 47 * 0.06 => 2.82
        
         | latchkey wrote:
         | $0.06 isn't super cheap for commercial electric rates, even in
         | the US... for that, you're looking around $0.01-$0.03.
        
         | goodcanadian wrote:
         | _. . . average power setting of around 35%_
         | 
         | That actually sounds about right. You only need full power for
         | take-off.
         | 
         | EDIT: Thanks for the corrections.
        
           | dmitrygr wrote:
           | not even close.
           | 
           | Piston planes cruise at about 75% rated power (engine
           | manufacturers do not suggest running engines beyond that for
           | extended periods of time). Jets closer to 90
        
             | sokoloff wrote:
             | Jets typically _can't make_ 90% power in cruise and are
             | often flying at 50% or lower fuel flows than takeoff. (You
             | might be setting almost 100% N1 speed as your power
             | setting, but that's not the same as setting 100% actual
             | power in a jet in high-altitude cruise.)
             | 
             | Fuel flow is a good proxy for power. From the Citation II
             | flight manual: max cruise thrust settings (104% N1 over 25K
             | feet) have a peak fuel flow of 1716 lb/hr at 15K feet vs
             | 1083 lb/hr at 35K vs 721 lb/hr at 43K ft. Sea-level takeoff
             | fuel flows are not given in the manual, but are around 2000
             | lb/hr, so typical low 30s cruise flight is 55-65% power.
        
           | SomeHacker44 wrote:
           | As a pilot, I fly full power at takeoff, of course. In my
           | usual piston plane, I fly at 75% power until it cannot
           | maintain that power (due to normal aspiration and no boost
           | from, eg, a turbocharger), and then "flat out" beyond that.
           | 
           | I do not think I have ever flown at 35% power except in the
           | short time between final and touchdown.
        
             | goodcanadian wrote:
             | At the risk of sticking my foot in it even further . . .
             | 
             |  _I fly at 75% power until it cannot maintain that power_
             | 
             | Does that not mean that you are actually flying at well
             | under 75% of the rated power even if it is the maximum
             | power available at that altitude?
        
               | sokoloff wrote:
               | Yes, though normally aspirated pistons typically stay
               | under 8500 MSL and very rarely exceed 12500 MSL. IIRC,
               | you can make 75% power unboosted through around 7000'
               | MSL. I'd guess at least 90% of normally aspirated flight
               | is under 7000'. It certainly was for me, even though my
               | previous airplane could climb higher, it was slower up
               | there, so I rarely flew it over 10K unless there was a
               | screaming tailwind up high or terrible turbulence down
               | low.
               | 
               | If I looked over all my engine monitor downloads for
               | power settings under 35% while airborne, I bet the
               | average would be under 1 minute per flight and it would
               | be between 200' and landing.
        
             | AdrianB1 wrote:
             | It happens to fly low power, but only in rare occasions. I
             | do that when I cross the mountains and I reduce the power
             | while loosing altitude from ~ 10k to 200 ft at landing. The
             | longest I flew with the engine turned off was ~ 30 miles,
             | that was in a motorglider with the propeller feathered.
             | These cases are so rare, but still exists.
        
           | sokoloff wrote:
           | Like the others, I'm also a pilot and confirm that we cruise
           | in the 65-75% of rated power range in piston ops. Turboprops
           | do have a larger power reserve / larger spread between rated
           | and cruise power, but it's nowhere near 25% in cruise.
        
             | abdullahkhalids wrote:
             | How much would that change if you had a possibly lighter
             | engine, and an empty hull (all extra weight disposed off)?
        
               | sokoloff wrote:
               | It's only on max range flights that I throttle back as my
               | airplane gets lighter. On typical flights, I instead take
               | the 3-4% speed increase as the fuel burns off.
               | 
               | Lightness is a hugely important feature in airplanes. I'm
               | not sure that current battery tech is poised to deliver
               | on lighter aircraft for a given mission range. An
               | additional drag (pun intended) for electrics is that
               | landing weight is the same as takeoff weight except for
               | skydiving ops.
        
           | thoraway1010 wrote:
           | That is ridiculous - you wouldn't carry the weight around for
           | that power level for such a short flight segment need. If you
           | are averaging 35% power you have WAY to big an engine in your
           | plane!!
        
             | londons_explore wrote:
             | Electric motors are very cheap and light for a given power
             | output, especially for forced air cooling, so oversizing
             | them doesn't impact the cost or weight too much.
             | 
             | They might use that fact to oversize them giving better
             | redundancy (eg. one can fail during takeoff and it not be
             | an issue).
        
               | AdrianB1 wrote:
               | In aviation where every kilogram matters and where you
               | can put more batteries instead of an over-sized engine,
               | that logic does not work. There is zero redundancy from
               | oversizing the engine.
        
         | sacred_numbers wrote:
         | Probably a better way to estimate battery capacity is through
         | weight. The article says that the battery weighs "roughly one
         | tonne", and li-ion batteries weigh between 150-200 wh/kg at the
         | pack level, so the battery is probably between 150 and 200 KWh.
        
       | mceachen wrote:
       | From the article: "charging times correlate closely to flight
       | times, says Ganzarski. That means the batteries would need about
       | 30-40min of charging following a 30min flight. The weight of the
       | batteries makes swapping spent cells for fresh cells unfeasible
       | between flights, he says."
       | 
       | Does utilization for these short-hop routes correlate to this
       | sort of down time?
        
         | eigenvector wrote:
         | It becomes more and more feasible the shorter the flight is,
         | since the 'turnaround' time on the ground starts to become
         | longer than the actual flight time. That's why Harbour Air,
         | which operates ~20 minute seaplane flights from Vancouver, will
         | probably one of the first airlines to operate electric aircraft
         | in commercial service.
         | 
         | https://www.harbourair.com/about/corporate-responsibility/go...
        
         | ShakataGaNai wrote:
         | It's probably longer than required for passenger flights. The
         | Caravan is 9-13 passengers (depending), plus a little baggage.
         | Wouldn't be hard to unload/load 10 people in less than 30 mn.
         | However the question is how many small commuter airlines are
         | operating a flight with repeated as-fast-as-possible turn
         | around?
         | 
         | Cargo configuration, certainly seems like you could charge it
         | faster than a load/unload.
         | 
         | The thing about fast turn around's is that planes only make
         | money when flying. However a big part of flying is the expense
         | of fuel. So if you can make your hour flight in $12 of
         | electricity, that brings the cost way down. That offsets the
         | cost of sitting on the ground for an extra X minutes.
         | 
         | Also gotta take into account the electric versions reduced need
         | and cost of maintenance. So there is reduced aircraft downtime
         | for less maintenance, and it costs less each time. Overall,
         | that probably greatly increases the time available to fly and
         | therefor the profit potential for the plane.
        
           | dzhiurgis wrote:
           | > Wouldn't be hard to unload/load 10 people in less than 30
           | mn.
           | 
           | Ryanair is probably best at it, executing within time above
           | but in a 737. You can hate Ryanair for some things, but I
           | admire for how affordable they make flying.
        
       | danielfoster wrote:
       | This is amazing for rural communities and student pilots. And if
       | it became safely possible to run the plane with just one pilot
       | onboard for commercial service, this lower cost plane would have
       | even more potential.
       | 
       | Up to 40 minutes for charging could be an issue for airlines who
       | want to turn planes around quickly, though I doubt Cessna
       | operators are striving for Ryanair economics yet.
        
         | AdrianB1 wrote:
         | The number of pilots has no correlation with the electric
         | propulsion.
         | 
         | For student pilots it is not amazing, in the flight school you
         | need to do a raid (this is how it is called on this side of the
         | ocean) flying between 3 cities and 500 miles minimum; you
         | cannot do it with the electric plane and as a student you are
         | not good enough to fly a different plane model (with ICE power
         | plant) just for the raid, so you cannot complete the school.
        
           | inamberclad wrote:
           | You'll still be able to do most of your pattern work and
           | general handling training in vastly cheaper electric
           | aircraft.
        
             | AdrianB1 wrote:
             | Then what do you do, transition on a different plane during
             | school? At that point you will need a full 45 hours or more
             | on the second plane, negating the cheaper first plane.
        
         | Gibbon1 wrote:
         | I think if you were able to get the range up to 250-300 miles
         | that would be a very big deal for far flung communities. All of
         | those are underserved by air transport. Offhand thought is you
         | probably could justify small pilotless freight aircraft.
        
       | ggm wrote:
       | How much further could an ePlane fly if it was possible to
       | discard spent batteries? (Serious question)
        
         | josephcsible wrote:
         | In your hypothetical scenario, do you care whether the
         | batteries are recoverable and reusable? If not, then you lose a
         | lot of benefit of electrification.
        
           | crazygringo wrote:
           | Imagine if there were large fields (or lakes) every few
           | hundred miles designated as drop zones where huge battery
           | packs would be parachuted down into and recovered every
           | couple weeks, from cross-country commercial flights.
           | 
           | I'm sure there are a million problems with it, but you never
           | know.
        
         | ShakataGaNai wrote:
         | The Cessna 208 Caravan has an empty weight of 2,145 kg. The
         | article states the battery is roughly 1 tonne (1,000 kg). One
         | could assume the electrified version is slightly lighter, sans
         | batteries, empty due to the lack of need for a lot of the gas
         | related items.
         | 
         | So if the plane is now somewhere in the range of 3,000 kg at
         | takeoff, clearly shedding up to 30% of the planes weight would
         | allow it to fly quite a bit farther. That's one of the
         | advantages of gas, as you burn it, you get lighter, you get
         | more fuel efficient.
        
       | brent_noorda wrote:
       | Even as I bet against electric flight being commercially feasible
       | except in extremely limited conditions, I'm excited by any news
       | that I might possibly be worng.
        
       | lstodd wrote:
       | a range of 100 miles with 4-5 passengers
       | 
       | where the kerosene-powered variant has about a thousand miles
       | with ~7 passengers
        
       | war1025 wrote:
       | First thought seeing this was of the Dodge Grand Caravan minivan
       | we had growing up.
       | 
       | It's interesting how often names get reused.
        
       | Havoc wrote:
       | As a workload it sorta makes senses. You want raw output for
       | take-off and then steady efficient power for cruise. Both of
       | which electric motors can do.
       | 
       | ...just a question of battery weight, which is dropping
        
         | [deleted]
        
         | AdrianB1 wrote:
         | Piston engines can also do. You want max output for take-off,
         | but to maintain the cruise speed you need around 75% of the
         | engine output and you fly at "steady efficient power" (75%) for
         | cruise; there is no difference here. It's not like cars where
         | you brake and accelerate many times.
        
       | chrisseaton wrote:
       | Wow that's a strange choice for a name. Can't think of anything
       | I'd less like to fly in than a caravan. Makes me think of boring
       | trips and cheap flimsy tacky boxes liable to be blown away by the
       | wind.
        
         | wheels wrote:
         | To resolve the confusion: that's British usage. In North
         | America, the thing you're thinking of is called a "camper", and
         | the association most Americans have with the word "caravan" is
         | to a Dodge minivan.
        
         | anamexis wrote:
         | If it's any consolation, the Cessna Caravan predates the Dodge
         | Caravan by 3 years.
        
           | mr_spothawk wrote:
           | we drove a dodge caravan around the country a number of times
           | while i was a kid.
        
           | chrisseaton wrote:
           | I don't know what a Dodge Caravan is specifically. This is
           | what 'caravan' makes me think of though -
           | https://www.practicalcaravan.com/wp-
           | content/uploads/2018/02/... - not what you'd want to fly in!
        
             | mr_spothawk wrote:
             | this is what i was thinking
             | 
             | https://duckduckgo.com/?q=caravan+waggon&t=brave&iar=images
             | &...
        
               | the8472 wrote:
               | Why is everyone thinking of cars? There is a far more
               | picturesque and older meaning of the word.
               | 
               | http://remarkablejourneys.com/wp-
               | content/uploads/2015/09/Day...
        
               | userbinator wrote:
               | Because of this:
               | https://en.wikipedia.org/wiki/Dodge_Caravan
               | 
               | They were immensely popular throughout the 90s and early
               | 2000s.
        
         | joncp wrote:
         | To be fair, Cessna had the name before Chrysler co-opted it
        
           | chrisseaton wrote:
           | Caravans have been a thing before either Cessna or Chrysler
           | were founded.
        
         | inamberclad wrote:
         | Light aircraft aren't really known for having enlightening
         | names.
        
       | lallysingh wrote:
       | I'm not sure people will be as ready to go back into 200+
       | passenger aircraft as before.
       | 
       | Small party flights could become more popular as the range goes
       | up.
        
         | ahelwer wrote:
         | There's a very long way to go before safety is comparable. Last
         | time I looked into it, you have better odds skydiving from a
         | small plane than landing in it.
        
           | AdrianB1 wrote:
           | Not at all, skydiving from a plane without a parachute is
           | almost always deadly (very few exceptions) while landing with
           | an engine failure is something every student practice in the
           | flight school (at least in my country).
           | 
           | The smaller the plane, the easier to land it with an engine
           | failure, the smaller the plan the fewer pieces that can
           | break. yes, the average General Aviation pilot is quite bad,
           | that explains the huge accident rate compared to airliners,
           | but the reliability of the planes is not bad at all.
        
             | m4rtink wrote:
             | That's why I like gliders - one less component to fail (the
             | engine) and every landing is an engine out landing, with
             | the plane built and pilot trained to do that. :)
        
               | AdrianB1 wrote:
               | All pilots are trained to land with the engine out. Some
               | are better and most are not, that's not the plane's
               | fault. Yes, glider pilots are the best at this :)
        
           | alfalfasprout wrote:
           | Most small aircraft accidents are completely preventable loss
           | of control (either by taking off with too much weight,
           | stalling during takeoff, or stalling during landing) or
           | flying into IMC (instrument metereological conditions
           | including clouds, fog, etc.) and becoming disoriented and
           | losing control. Simple engine failure is something that every
           | private pilot trains for.
           | 
           | Improvements in training can significantly help with both.
           | Instrument training in particular drastically reduces the
           | risks of inadvertent IMC. Some technology also assists with
           | the latter (eg; synthetic vision on foreflight on aircraft
           | with garmin G1000 cockpits gives you references for how the
           | plane is positioned and any terrain around you you could
           | hit).
        
       | purplezooey wrote:
       | _...receives power from a 750V lithium-ion battery system
       | weighing roughly one tonne..._
       | 
       | It's like a giant flying battery with a few seats.
        
       | umvi wrote:
       | Is it any quieter than gas engines? Last time I flew in a Cessna,
       | the propeller was bone-jarringly loud.
        
       | alfalfasprout wrote:
       | Unfortunately the real limitation here is still weight. You can
       | get excellent torque and incredible reliability from electric
       | motors vs. gas powered engines but the biggest difference is that
       | as you fly longer the plane gets lighter with a gas powered
       | plane. With an electric plane you're always at full weight and
       | that limits your flexibility.
       | 
       | Worse, batteries are still very, very heavy compared to the
       | energy they store. I suspect that as battery technology improves
       | we'll see a drastic shift toward electric planes being more
       | appealing.
       | 
       | For GA aircraft they'd be amazing. Excellent power, significantly
       | higher reliability, much lower maintenance costs, and much lower
       | cabin noise. But at the weights listed, I can't imagine a Cessna
       | 182 going electric anytime soon.
        
         | baybal2 wrote:
         | Regular 208 spends 150 kg per hour, which is microscopic by
         | aviation standards. A piston An-2 spends the same, but in super
         | expensive avgas, and flies half as slow. A more comparable
         | DHC-3 flies a bit faster, at 135 kg per hour, again, avgas.
        
         | the-dude wrote:
         | Doesn't a full battery carry more electrons and is therefore
         | heavier?
        
           | jbotz wrote:
           | No. Aside from the fact that the weight of the electrons,
           | although not zero, is negligible, they also don't get "lost"
           | in the process... they just get moved around, in the case of
           | battery power literally from one end of the batery to the
           | other. Combustible fuel in contrast, gets turned into gases
           | (CO2 and H2O) which are blown out the exhaust and thus lost.
        
           | jcims wrote:
           | Think of it like a mousetrap. Two energy states, same mass.
        
       | jedberg wrote:
       | Darnit. I saw Grand Caravan and thought it was an all-electric
       | minivan.
       | 
       | I've been waiting years for an electric minivan. The moment
       | someone comes out with one, I'm turning in my current minivan,
       | which I love, for an all electric van.
        
         | Tade0 wrote:
         | Toyota, out of all companies, is planning on releasing an
         | electric Proace:
         | 
         | https://www.autoevolution.com/news/new-toyota-proace-ev-sche...
         | 
         | Not exactly a minivan and probably won't reach the US, but it's
         | a start.
        
           | jedberg wrote:
           | At least they'll prove it makes sense! Maybe it will motivate
           | Honda to do an electric Odyssey.
        
         | BrentOzar wrote:
         | > I've been waiting years for an electric minivan. The moment
         | someone comes out with one, I'm turning in my current minivan,
         | which I love, for an all electric van.
         | 
         | Bad news: while you can still buy minivans, they're being
         | phased out in favor of SUVs. Dodge just put the nail in the
         | coffin for the Grand Caravan, and production stops this year:
         | https://www.thedrive.com/news/33702/death-of-an-icon-dodge-g...
         | 
         | The investments are in the SUV/CUV segment where profit rates
         | are higher.
        
           | jedberg wrote:
           | Yeah I noticed that trend too. :( It's a shame because we had
           | both and the van is just so much easier for hauling 6 people
           | than any SUV out there.
        
         | legitster wrote:
         | Same.
         | 
         | The Model X gets pretty close, but is way too gimmicky with
         | it's touchscreen everything and cutesy doors.
         | 
         | A modern minivan is already the most sophisticated vehicle on
         | the road. I just want one in electric.
        
           | jedberg wrote:
           | The Model X sadly does not have nearly the versatility of my
           | Honda Odyssey.
           | 
           | And it costs an extra $100K. :)
        
             | ashtonkem wrote:
             | The model X is more expensive, but it's not $100K more than
             | a new Honda Odyssey. Heck, it's not $100K more than your
             | _current_ Odssey! The X starts at $80k, while the Oddysey
             | costs somewhere between $30k and $45k.
             | 
             | It's only the top of the line performance trim that costs
             | $100K.
        
               | jedberg wrote:
               | Maybe I'm misremembering but in 2017 I think the maxed
               | out Model X was $138,000 and my Honda was $45,000, so
               | almost $100K difference.
        
               | ashtonkem wrote:
               | I believe you're right, prices appear to have dropped.
        
         | dzhiurgis wrote:
         | Nissan had one since 2012, but only recent oneS have reasonable
         | battery sizes
        
           | jedberg wrote:
           | Apparently not here in the US. :(
        
         | 1123581321 wrote:
         | Ford is launching an electric Transit at the end of 2021 ('22
         | models.) We have a larger family, so we're hopeful the range,
         | power and cost will be acceptable. Swapping out low MPG large
         | commercial and passenger vans for electric will prevent a lot
         | of gasoline and diesel usage.
        
         | p1esk wrote:
         | Chrysler sells Pacifica Hybrid (which is actually a plug in
         | hybrid, so pretty close to all electric in every day
         | situations). 2021 Toyota Sienna is also going to be a hybrid
         | (but not a plug in).
        
           | jedberg wrote:
           | Yeah I looked at that Pacifica hybrid. Sadly the all-electric
           | range is too small for our use case.
           | 
           | Didn't know about the Sienna. That could be interesting. From
           | what I understand the Toyotas are fairly hackable to turn
           | them into plugin hybrids.
        
       | arecurrence wrote:
       | Only 6 months after the first commercial airplane electric
       | flight. https://www.harbourair.com/harbour-air-and-magnix-
       | announce-s...
        
       ___________________________________________________________________
       (page generated 2020-05-30 23:00 UTC)