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#Post#: 80909--------------------------------------------------
Speed Test
By: dpjones Date: January 16, 2018, 6:10 pm
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Not to sound like a jerk but I see plenty of cookey cutting to
test saw speed on a log, But what about cutting a 16" Oak log
for 12ft, milling I guess you'd say. What kinda performance
would be needed for a sustained cut? WOT for 10 minutes, that's
about what it takes me in Red Oak of that size.
Just a thought cause I been milling some 18" and less stuff and
wondering how the ported, high compression saws would hold up or
do better?
DJ
#Post#: 80910--------------------------------------------------
Re: Speed Test
By: Gatekeeper Date: January 16, 2018, 6:22 pm
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I did a lot of milling with ported saws. Some 26" wide cherry 6'
long was 6-8 minutes. I was testing fuels and oils that way. I
made an oak cant 12x12 4' long to test fuels. 3/4" thick is
about as thin as my mill will cut
#Post#: 80911--------------------------------------------------
Re: Speed Test
By: dpjones Date: January 16, 2018, 7:25 pm
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That Cherry, was it same as wild cherry here in North Ga.?
#Post#: 80912--------------------------------------------------
Re: Speed Test
By: Gatekeeper Date: January 16, 2018, 10:06 pm
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Yes. Southwest VA area cherry.
#Post#: 80913--------------------------------------------------
Re: Speed Test
By: HolmenTree Date: January 16, 2018, 10:13 pm
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I never milled with a ported or compression modified powersaw. A
stock Stihl 090AV or a stock Husky 395XP is all I use on a 36"
Alaskan running square ground chisel bit .404
I milled alot of 16ft 2"x12" DED killed American elm. You won't
find much hardwood tougher then thst dead elm.
Good edge on the chain takes me 5 minutes for a 16ft cut making
12" cants.
Another thing I do is mill in winter time when it's -30 below.
Carb is set richer for that cold, saw has no chance of
overheating, chain runs cooler and boy that extra cold oxygen
sure make those saws run nice.
#Post#: 80928--------------------------------------------------
Re: Speed Test
By: dpjones Date: January 17, 2018, 7:03 pm
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That temperature would kill me,
but the 660 pop up piston got me thinking, high compression and
high rpm's or lower compression and rpm's for the milling or
long cuts
#Post#: 80930--------------------------------------------------
Re: Speed Test
By: HolmenTree Date: January 17, 2018, 7:11 pm
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[quote author=dpjones link=topic=6807.msg80928#msg80928
date=1516237407]
That temperature would kill me,
[/quote]
You quickly learn how to dress for it and you don't want to be
restricted in movement by wearing senseless bulky clothing.
Far better working conditions working in 30 below then trying to
stay cool while working on a hot day.
Hahaha.
#Post#: 80931--------------------------------------------------
Re: Speed Test
By: dpjones Date: January 17, 2018, 7:18 pm
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I don't have nothing to dress for that kinda weather, I'm
southern man or compaired to you, a sissy, what ever, the cold
hurts me, 80's and up I start to loosen up
#Post#: 80932--------------------------------------------------
Re: Speed Test
By: Gatekeeper Date: January 17, 2018, 9:20 pm
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You don't want crazy compression starting it on its side with a
mill. 185-195 is fine. I've run all kinds of ported ones on the
mill. I've milled at 10-100 degrees.
#Post#: 80935--------------------------------------------------
Re: Speed Test
By: HolmenTree Date: January 18, 2018, 8:06 am
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Big concern for me is the extra heat generated with a too high
of a compression ratio on those long cuts at WOT.
Once you try milling with a square ground or filed chisel bit
chain, you will never want to go back to round sharpening.
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