Mastermind Meets The Stihl 090AV

[sawfun]

An old friend of mine polished the mirrors for Hubble. Some wild stuff went it that thing. Some cool stuff was used around these big aerospace builders here back in the eights and nineties. I'd bet top fuel borrowed a lot from them and the air force.

Prolly F1 even more than top fuel.

 

[Dub11]

Molybdenum Disulfide. AKA 'moly'. Used a lot in high pressure rounds and to preserve the barrel life from high volume shooting. I also used it on my bolt. Amazing stuff.

The 6mmBR, second from the left next to the 9mm, is a moly coated bullet I used for varminting and benchrest back stateside. I have placed second in the Denton club matches using that set up.

Drive by in the Caddy, keeping it real gangsta

 

[Altamaha]

Found this thread while searching for info on the 090 166cc saws.

Anyway was milling with my 090AV this week and thought a few photos would be interesting.

Yep, it is a handful even with the 36 inch bar pictured on the mill.

I have a photo milling with the 42 inch bar, will post it if I can find it.

Now I understand why some guys remove the governor. If I did not keep the chain buried and really pulling chips the saw would over rev, governor would close the choke, and the saw would stall. After a bit I figured out what the "correct RPM band" was and tried to keep it there.

Douglas Fir. 5 to 6 minutes per slab not counting time to drive in the wedges.

Stock 090AV, maybe 30 hours total on the saw..

36 inch Alaskan Mill shown, I have an earlier version 56 inch with a 66 inch bar & helper handle.

With the 075

 

[Altamaha]

Found the photos. 42 inch bar, 404x063 chain full comp, Woodland Pro Ripping Grind, 10 degrees, 10 degrees, 60 degrees. Woodland Pro sold by Baileys, made by Carlton.

 

[fearofpavement]

I always thought the 070/090 saws would be not great for milling due to the configuration of the fuel/oil tanks. How have you found that aspect to work out?

 

[birdmeter]

great pictures .

 

[Nutball]

Why would Stihl put on a governor if it wasn't needed? Have these been known to blow up easily at higher rpm? I'd assume no, because people race them, but I thought I read somewhere about some large saws blowing up at high rpm.

 

[huskyboy]

The governor makes it harder to tune too... even worse than a limited coil imo. A 2100 has a different governor setup (in the carb) but is the same concept. I have to tune in the wood, the only way to tune it properly. It can be lean... but blubber out of the cut. Fools you, especially someone who doesn’t know how it works.

 

[Deets066]

Why would Stihl put on a governor if it wasn't needed? Have these been known to blow up easily at higher rpm? I'd assume no, because people race them, but I thought I read somewhere about some large saws blowing up at high rpm.

It’s not that larger saws melt, burn down, blow up, score easier. It’s that they are normally wearing longer bars making prolonged cuts, which build heat and lean engines. They need to run more fuel and have a fatter tune for most people who have no idea how a properly tuned 2 stroke should run or sound.
People are dumb, governor’s save saws for people that can’t tune.

 

[Frank bierce]

Found this thread while searching for info on the 090 166cc saws.

Anyway was milling with my 090AV this week and thought a few photos would be interesting.

Yep, it is a handful even with the 36 inch bar pictured on the mill.

I have a photo milling with the 42 inch bar, will post it if I can find it.

Now I understand why some guys remove the governor. If I did not keep the chain buried and really pulling chips the saw would over rev, governor would close the choke, and the saw would stall. After a bit I figured out what the "correct RPM band" was and tried to keep it there.

Douglas Fir. 5 to 6 minutes per slab not counting time to drive in the wedges.

Stock 090AV, maybe 30 hours total on the saw..

36 inch Alaskan Mill shown, I have an earlier version 56 inch with a 66 inch bar & helper handle.

With the 075

That is one beauty of a
090av!!

Here is a video of mine in some decent wood at the PNW GTG this year. My forearms were sore for a few days. Forgot to throw some felling spikes on...

 

[Frank bierce]

This is a pic from a few weeks ago, cutting some peeler cores