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#Post#: 870--------------------------------------------------
Braking by Nick Ienatsch
By: portabill Date: July 24, 2014, 1:53 pm
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Nick Ienatsch is one of the most renowned riding coaches and
motorcycle safety authors. He posted this in another forum and I
felt like passing it along. All the credit is his.
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"If you have to stop in a corner, one of two things will happen.
One, you will stand the bike up and ride it off the shoulder and
into whatever is over there. Or two, you will lay the bike down
and slide off the shoulder of the road. Braking is done before,
or after a corner. The best thing to do before taking a corner
is to grind the thought "I'm going to turn this corner" into
your mind."
Hiya FZ1 lovers.
I’ve stewed for two days about the above quote taken from
another FZ1OA thread...and finally decided to launch this
thread. In past years I would have just rolled my eyes and
muttered, “Whatever”…but not anymore. I want to tell you that
there are measureable, explainable, repeatable, do-able reasons
that make great riders great. And brake usage is at the very
tippity-top of these reasons. It’ll save your life, it’ll make
you a champion. It will save and grow our sport.
I’ll ask this one favor: Would you open your mind to what I’m
about to write, then go out and mess around with it?
To begin: Realize that great motorcycle riding is more subtle in
its inputs than most of us imagine. I bet you are moving your
hand too quickly with initial throttle and brakes. Moving your
right foot too quickly with initial rear brake. The difference
between a lap record and a highside is minute,
almost-immeasureable differences in throttle and lean angle. The
difference between hitting the Camaro in your lane and missing
it by a foot is the little things a rider can do with speed
control at lean angle. Brakes at lean angle. Brakes in a corner.
Yes, a rider can brake in a corner. Yes. For sure. Guaranteed. I
promise. Happens all the time. I do it on every ride, track or
street. Yes, a rider can stop in a corner. In fact, any student
who rides with the Yamaha Champions Riding School will tell you
it’s possible. Complete stop, mid-corner…no drama. Newbies and
experts alike.
There are some interesting processes to this sport, mostly
revolving around racing. But as I thought about this thread,
putting numbers on each thought made more sense because
explaining these concepts relies on busting some myths and
refining your inputs. Some things must be ingrained…like #1
below.
You never, ever, never stab at the brakes. Understand a tire’s
grip this way: Front grip is divided between lean angle points
and brake points, rear grip is lean angle points and
acceleration points, lean angle points and brake points. Realize
that the tire will take a great load, but it won’t take a sudden
load…and so you practice this smooth loading at every moment
in/on every vehicle. If you stab the brakes (um...or
throttle...) in your pickup, you berate yourself because you
know that the stab, at lean angle on your motorcycle (and
bicycle, btw), will be a crash.
Let’s examine tire grip. If you’re leaned over at 95% (95 points
in my book Sport Riding Techniques and fastersafer.com) of the
tires’ available grip, you still have 5% of that grip available
for braking (or accelerating). But maybe you only have 3%!!! You
find out because you always add braking “points” in a smooth,
linear manner. As the front tire reaches its limit, it will
squirm and warn you…if that limit is reached in a linear manner.
It’s the grabbing of 30 points that hurts anyone leaned over
more than 70 points. If you ride slowly with no lean angle, you
will begin to believe that aggressiveness and grabbing the front
brake lever is okay…and it is…until you carry more lean angle
(or it’s raining, or you’re on a dirt road or your tire’s
cold…pick your excuse). Do you have a new rider in your life?
Get them thinking of never, ever, never grabbing the brakes.
Throttle too…
If you STAB the front brake at lean angle, one of two things
will happen. If the grip is good, the fork will collapse and the
bike will stand up and run wide. If the grip is not-so-good, the
front tire will lock and slide. The italicized advice at the
beginning was written by a rider who aggressively goes after the
front brake lever. His bike always stands up or lowsides. He’s
inputting brake force too aggressively, too quickly...he isn't
smoothly loading the fork springs or loading the tire. He may
not believe this, but the tire will handle the load he wants,
but the load must be fed-in more smoothly…and his experience
leads to written advice that will hurt/kill other riders. “Never
touch the brakes at lean angle?” Wrong. “Never grab the brakes
at lean angle?” Right!
But what about the racers on TV who lose the front in the
braking zone? Pay attention to when they lose grip. If it’s
immediately, it’s because they stabbed the brake at lean angle.
If it’s late in the braking zone, it’s because they finally
exceeded 100 points of grip deep in the braking zone…if you’re
adding lean angle, you’ve got to be “trailing off” the brakes as
the tire nears its limit.
Radius equals MPH. Realize that speed affects the bike’s radius
at a given lean angle. If the corner is tighter than expected,
continue to bring your speed down. What’s the best way to bring
your speed down? Roll off the throttle and hope you slow down?
Or roll off the throttle and squeeze on a little brake? Please
don’t answer off the top of your head…answer after you’ve
experimented in the real world.
Do this: Ride in a circle in a parking lot at a given lean
angle. That’s your radius. Run a circle or two and then slowly
sneak on more throttle at the same lean angle and watch what
your radius does. Now ride in the circle again, and roll off the
throttle…at the same lean angle. You are learning Radius equals
MPH. You are learning what throttle and off-throttle does to
your radius through steering geometry changes and speed changes.
You are learning something on your own, rather than asking for
advice on subjects that affect your health and life. (You will
also learn why I get so upset when new riders are told to push
on the inside bar and pick up the throttle if they get in the
corner too fast. Exactly the opposite of what the best riders
do. But don’t believe me…try it.)
Let me rant for a moment: Almost every bit of riding advice
works when the pace is low and the grip is high. It’s when the
corner tightens or the sleet falls or the lap record is within
reach…then everything counts.
“Get all your braking done before the turn,” is good riding
advice. But what if you don’t? What if the corner goes the other
way and is tighter and there’s gravel? It’s then that you don’t
need advice, you need riding technique. Theory goes out the
window and if you don’t perform the exact action, you will be
lying in the dirt, or worse. Know that these techniques are not
only understandable, but do-able by you. Yes you! I’m motivated
to motivate you due to what I’ve seen working at Freddie’s
school and now the Champ school…
I’m telling you this: If you can smoothly, gently pick-up your
front brake lever and load the tire, you can brake at any lean
angle on and FZ1. Why? Because our footpegs drag before our
tires lose grip when things are warm and dry. It might be only 3
points, but missing the bus bumper by a foot is still missing
the bumper! If it’s raining, you simply take these same actions
and reduce them…you can still mix lean angle and brake pressure,
but with considerably less of each. Rainy and cold? Lower still,
but still combine-able.
So you’re into a right-hand corner and you must stop your bike
for whatever reason. You close the throttle and sneak on the
brakes lightly, balancing lean angle points against brake
points. As you slow down, your radius continues to tighten. You
don’t want to run off the inside of the corner, so you take away
lean angle. What can you do with the brakes when you take away
lean angle? Yes! Squeeze more. Stay with it and you will stop
your bike mid-corner completely upright. No drama. But don’t
just believe me…go prove it to yourself.
Let’s examine the final sentence in the italicized quote. The
best thing to do before taking a corner is to grind the thought
"I'm going to turn this corner" into your mind.
No, that’s not the best thing. It’s not the worst thing and I’m
all for positive thinking, but we all need to see the difference
between riding advice and riding techniques. This advice works
until you enter a corner truly beyond your mental, physical or
mechanical limits. I would change this to: The best thing to do
before taking a corner is to scan with your eyes, use your
brakes until you’re happy with your speed and direction, sneak
open your throttle to maintain your chosen speed and radius,
don’t accelerate until you can see your exit and can take away
lean angle.
Do you think I’m being over-dramatic by claiming this will save
our sport? Are we crashing because we’re going too slowly in the
corners or too fast? Yes, too fast. What component reduces
speed? Brakes. What component calms your brain? Brakes. What
component, when massaged skillfully, helps the bike turn?
Brakes. If riders are being told that they can’t use the brakes
at lean angle, you begin to see the reason for my drama level.
When I have a new rider in my life, my third priority is to have
them, “Turn into the corner with the brake-light on.”
I’ve said it before: This is the only bike forum I’m a member
of. I like it, I like the peeps, I like the info, I love the
bike. Could we begin to change the information we pass along
regarding brakes and lean angle? Could we control our sport by
actually controlling our motorcycles? If we don’t control our
sport, someone else will try. Closed throttle, no brakes is “out
of the controls”. Get out there and master the brakes.
Thanks, I feel better.
Nick Ienatsch
Yamaha Champions Riding School
Fastersafer.com
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