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Another chainsaw dyno...

NightRogue

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Excuse the low quality pic, but thats the idea
0e919cdfad67d27d03031f25a6894dda.jpg


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NightRogue

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I thought the existing decompression port was good enough. But I can imagine the issue if up in a tree with tons more compression.
Its enough for stock setup
This cylinder got base machined for port work and all the mod so it'll need that groove freeing up for easier starting
Stock squish was 0.04, this landed at 0.017

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Bigmac

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I'm going to one up ya here and ask for videos of any saw over 100cc and over 200 psi

Here is a 120+ cc saw ................

View attachment 279742

I don’t want to do a video and I don’t ever want to check it again! Lol had to put a 50” bar on just to do the test! It’s hard to explain if you haven’t done it, but it feels like the dang thing is hydro locked! Almost! Lol
But with the decomp and timing set right it starts easy.601E8465-008D-4B66-84E1-DF3DD4B28C59.jpegOn the karts that start them with an electric motor, and v belt and starter cup(basically a pulley bolted to the flywheel)
 
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Moparmyway

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Why didn't you say so? Did you get it spooled up with the decomp held open first? Kinda weird the arms broke off, but the the nut and threads look good.
You didnt ask
The decomp slams shut even if you try holding it, even with all 6 sided drilled out
The nuts corners are rounded

Makes sense to me now as to why you keep asking about this.
Have fun getting any saw over 100cc to blow over 200psi and then grab your drill and have at it !!!
Video it for us so we can see what breaks
 

sawmikaze

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I’m laughing my ass off right now, that’s some funny *s-word

Clark works for my buddy Ziggy now, sometimes we're all at the gas station in the morning at the same time and I see Clark there, he has glasses as thick as armored glass and hilarious to talk to..I'll try to sneak a picture of him next time I see him..:lol:
 

sawmikaze

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I’m laughing my ass off right now, that’s some funny *s-word

Clark is a good dude..he's just...different.

I file his chains for him sometimes, I can't really make sense of what he's talking about 3/4 of the time. But I know he loves titties and Budweiser.
 

sawmikaze

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You’ll likely just send me up and flying towards the tree. I’m gonna admit that I suck at rope duty

It's an art for sure, I work with a dude that has it down to a science, he's really good. It's a totally overlooked job, good rope guys can make a climber look good.
 

Idahonative

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Your fascination with picking on a disabled person does not impress me.

In fact, I despise it.
Careful Mike. Speaking your mind may trigger a visit...and a lecture about looking in the mirror, and how you're the problem because you have a differing opinion.

On the other hand, you own alot of Stihl's so you may not need to worry...Lol.
 

sawmikaze

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Your fascination with picking on a disabled person does not impress me.

In fact, I despise it.

I never aimed to impress you. So to be perfectly honest I really don't care if you are or if you aren't.

Start quoting people when you have something to whine about, it's easier to respond.
 

MustangMike

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I never aimed to impress you. So to be perfectly honest I really don't care if you are or if you aren't.

Start quoting people when you have something to whine about, it's easier to respond.

Well that's a good thing, because constantly picking on someone with a disability is about as low as it gets, but with you, it does not surprise me.

Water seeks it's level.
 
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