Author Topic: Saw compression  (Read 419 times)

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Offline Mastermind

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Re: Saw compression
« Reply #30 on: August 04, 2014, 12:02:08 pm »
I think Chad and I have reached an agreement on his dyno. I'm hoping to have it in a dyno room someday......
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Offline KilliansRedLeo

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Re: Saw compression
« Reply #31 on: August 04, 2014, 12:22:57 pm »
That would be slick! Are you gonna build one like Chad's? The room will be quite the challenge to build, what with all the remote operation and sound control stuff needed!
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Offline Mastermind

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Re: Saw compression
« Reply #32 on: August 04, 2014, 12:24:55 pm »
I'm pretty sure I will be getting Chad's dyno. He wants to play with it a while longer......then we've talked about it moving to TN.

The room I build for a dyno room would be open on at least two sides........think porch with roof. :D
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Offline DexterDay

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Re: Saw compression
« Reply #33 on: August 04, 2014, 07:15:38 pm »
Great. If you get his dyno, then ALL my saws need to go back to your place. Cause I want a Fancy Graph!!  ;D

I'm looking forward to what your impression is on the 665 as well. I seem to have one of those that is yet to be messed with.
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Offline Mastermind

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Re: Saw compression
« Reply #34 on: August 04, 2014, 10:10:14 pm »
I'm working on the last few saws that were backlogged. In just a couple more days I will be completely caught up for the first time in several years.

Then I hope to dig into the 665s.....
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Online 3000 FPS

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Re: Saw compression
« Reply #35 on: August 05, 2014, 12:25:54 am »
At what point does the very high compression start degrading bearing life.   If it is a work saw I think I would want to know that.
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Offline KilliansRedLeo

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Re: Saw compression
« Reply #36 on: August 05, 2014, 08:32:14 am »
Very good point Roger!  ??? Unfortunately I have no idea, I suppose we would need to get the radial load specs on the bearings as a starting point. Mains, I believe would be the lesser problem, caged needles at the wrist pin would be my biggest worry or worse yet a twisted crank. But then again I have seen bent rods and the bearings suffered very little, messed up yes, but not catastrophic failures.
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Offline 660magnum

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Re: Saw compression
« Reply #37 on: August 05, 2014, 08:53:36 am »
I've run 32:1 since back in the 70's and never had a galled piston or bad rod or main bearing unless I bought the item that way.
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Offline Mastermind

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Re: Saw compression
« Reply #38 on: August 05, 2014, 09:01:49 am »
I use 32:1 with Belray H1R......and I've never seen a bearing failure. My 262XP is blowing 220psi, and has been used hard in 100 degree weather with nary a hiccup.
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Offline KilliansRedLeo

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Re: Saw compression
« Reply #39 on: August 05, 2014, 09:11:20 am »
That is certainly a good bit of info. I too run H1R @ 32:1. You think the 665s might be close to that 200 pound mark?
"When the people fear the government...you have tyranny....When the government fears the people....you have liberty"

Thomas Jefferson
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