Tree Monkey MS462 - PART 2

Woody · Dec 9, 2018

tree monkey said:
video is still uploading to you tube 83%

So it will be viewable next week?

GCJenks204 · Dec 9, 2018

tree monkey said:
video is still uploading to you tube 83%

With internet that slow I bet you still have Porn Rental stores...

Wood Chopper · Dec 9, 2018

tree monkey said:
video is still uploading to you tube 83%

I sure hope your download speed is better than your upload or how the hell would someone watch boobies on their interwebs. lol[emoji102]

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Wood Chopper · Dec 9, 2018

GCJenks204 said:
With internet that slow I bet you still have Porn Rental stores...

Beat me to it. Lol

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Wood Chopper · Dec 9, 2018

GCJenks204 said:
With internet that slow I bet you still have Porn Rental stores...

In Connecticut they called them “book stores”.

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jacob j. · Dec 9, 2018

GCJenks204 said:
With internet that slow I bet you still have Porn Rental stores...

There was always more wear on the carpet in the "midget porn" section...

huskihl · Dec 9, 2018

krustysurfer said:
are the m-tronic saws replaceable with non electronic carb ?- go back to full manual control? is it worth the bother?
its why the local stihl rep refused to sell me a new saw and warranty it- he said the only way he would give a warranty for me is if i purchased the 880 for milling- he said i would void the warranty on the 661 if i used it with a alaskan slabbing setup - said the M-tronic would make the 661 run lean and fry the motor eventually... it is why i purchased a stock new 395XP however i am now worried about nylon being used around the main bearings!(unless i am wrong and they fixed that?) WTF HUSQY!......... im buying a old yellow saw to get the job done i guess- save the beauty queen for ?????????????????????????????? yes the husqy was 700$ less on the wallet new with a 28"bar ................... wife is going to get sick of my expenditures very soon............................ aloha and thank you mad saw scientists for all the beta.

Yeah there's a carb version in Europe.

You're better off milling with the 395 anyway. Use some extra oil, tune it rich, and that plastic retainer may last forever

huskihl · Dec 9, 2018

XP_Slinger said:
Valid. Always looked at it as increasing volume/area, kinda like a boost port. BUT, that’s just a thought. I don’t think well, so I’ll stop interjecting theory into Scott’s 462 progression...lol

I totally get what you're saying, man. I get headaches from trying to imagine what they were thinking

tree monkey · Dec 9, 2018

huskihl said:
It's not really like that though. Gasoline needs 14.6 parts of air to burn efficiently. If you added fuel to the fresh air, your screwdriver or the M tronic would just tune it out

Edit
I think

this is key to understanding engines. everyone keeps saying add more fuel to make more power, but you need 14 times more air then fuel, if you want more power you need more air.

look at direct injection, nothing but air in the cylinder until just before ignition.

the strato's push fresh air through the cylinder first to sweep out the spent exhaust, some fresh air is trapped in the cylinder. the fuel charge comes in late in the cycle. the fuel charge is richer then 14/1 and mixes with the fresh air to get 14/1. it doesn't mater where the air comes from, adding fuel is the easy part.

lets say we gut the strato. and the fuel mixes with the fresh air, the that would have been fresh air going through the strato now has fuel in it. that air never gets to the crankcase. that fuel would have gone in the case but now it's not. so now there is less fuel going in the case. less fuel=less oil=more heat=more wear.

just something to think about

redlight066 · Dec 9, 2018

Thank you Scott. Your insight is always appreciated here. And thanks for explaining so even I can understand.

Rich

tree monkey · Dec 9, 2018

the fresh air purges the cylinder of spent exhaust. some of that air is lost out the muffler. mixing fuel with that air is completely wasted, it will never lube, cool, or make power

RI Chevy · Dec 9, 2018

So is a pipe saw more efficient?

tree monkey · Dec 9, 2018

yes by far, as long as the pipe is right for the porting and rpm

wcorey · Dec 9, 2018

RI Chevy said:
So is a pipe saw more efficient?

Within a very narrow power band.
Outside of that range it starts to work against efficient scavenging.

tree monkey · Dec 9, 2018

you have about a 1% chance of taking a pipe off a dirt bike, putting on a chainsaw, and get gains.

Redfin · Dec 9, 2018

Where did you gather the 8/1 ratio for the case?

Redbull661 · Dec 9, 2018

Redbull is a happy dude today. I'm at the game and the pack is doing good

Canadian farm boy · Dec 9, 2018

tree monkey said:
this is key to understanding engines. everyone keeps saying add more fuel to make more power, but you need 14 times more air then fuel, if you want more power you need more air.

look at direct injection, nothing but air in the cylinder until just before ignition.

the strato's push fresh air through the cylinder first to sweep out the spent exhaust, some fresh air is trapped in the cylinder. the fuel charge comes in late in the cycle. the fuel charge is richer then 14/1 and mixes with the fresh air to get 14/1. it doesn't mater where the air comes from, adding fuel is the easy part.

lets say we gut the strato. and the fuel mixes with the fresh air, the that would have been fresh air going through the strato now has fuel in it. that air never gets to the crankcase. that fuel would have gone in the case but now it's not. so now there is less fuel going in the case. less fuel=less oil=more heat=more wear.

just something to think about

Tl;dr.

tree monkey · Dec 9, 2018

Redfin said:
Where did you gather the 8/1 ratio for the case?

well I used my brain.

lets say half the air going through the carb is mixed with fuel and goes in the case. half the air goes through the strato.
mixing the the two gives you 16/1 at least some air is lost out the muffler. so somewhere around 8/1 10/1

tree monkey · Dec 9, 2018

Redbull661 said:
Redbull is a happy dude today. I'm at the game and the pack is doing good

and you can just go ………….. yourself

Tree Monkey MS462 - PART 2

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