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Another chainsaw dyno...

Red97

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huskihl

Muh fingers look really big
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Pork butts? We used to call them things HAMS - unless you are talking about something I don't want to try, fried or not...

(Bacon donuts??)
They call them butts here, but it’s actually a half of a front shoulder. The hind quarter is still called a ham
 

Dieselshawn

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Everything but the paper sounds about right....

Have to video the data, and put it into the spreadsheet by hand....

Sounds like how I run mine.

I have a graph paper that I lay on a table by the machine.

Rev the saw up, watch the tach as I load it down. Every 1,000 rpms I mark the weight down on the graph. (Can do 500 rpms increments too if preferred)

Then release the saw throttle and release the load.

Calculate the numbers, draw the lines in colours, done, there’s the graph on paper.
 

Terry Syd

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They call them butts here, but it’s actually a half of a front shoulder. The hind quarter is still called a ham

OK, makes sense, different cultures have all sorts of different terms for things. Here in Oz if you looked under the 'bonnet' you would be looking under the 'hood' in America. - However, if anyone wants to serve me 'Bacon Donuts' I may have to pass on the invitation.
 

Red97

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Tested a couple of my stock saws. They showed the same output as before the breakdown.

Same with those 361/262 I ran on the same day as the breakdown.

Tested the saws in the same order, the hybrids numbers were inflated a good bit. Both Mike, and Mike.

I apologize, but that is why I wanted to retest this batch.

Deets is still on top of the 70cc class with 10.2hp

Again, sorry for any confusion, everything seems good to go now.
 

Red97

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Screenshot_20200721-185954.jpg
Correct cfb hybrid run ^

20200721_190034.png
Ranchdad hybrid corrected run
Screenshot_20200721-175725.jpg
Stock vs ported 572
Screenshot_20200721-175154.jpg
Tree monkey long bar 660
Screenshot_20200721-174315.jpg
What the revlimiter looks like... both tuned to 13.5k on the dyno.... but the red one must be the limited coil. As it was tuned above the coil.
 
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