Inside the MS462C - Snellerized Style

[crabby cooter]

Would the increase in air flow from the rest of the port job negate some/all of that?

what happens if you only gut the strato with no other mods yo the saw? do you still get gains? if so, are the gains worth the fuel usage?

 

[crabby cooter]

On a 441 two butterfly’s
One with the other fresh air no fuel



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yes until you gut out the stratos

 

[user 122190]

what happens if you only gut the strato with no other mods yo the saw? do you still get gains? if so, are the gains worth the fuel usage?

Fuel Usage??? Power and Noise, come'on man, get with the program. If you could cut a 30" log in 13 seconds, would you hesitate to spend several $100s in modifications, and use 2 times (or 3 or 4 or 5 times) as much gas to cut the same log in 12 seconds??? Duh!!! I thought not.

I am on pins and needles waiting for Reagan's StarWars Technology to make it to our level of application, so I can incinerate and entire tree in a micro second. The hell with burning wood, when we can just vaporize it!!!

 

[crabby cooter]

My theory for what it's worth. 1. Not all of the Strato charge is escaping, now being mixed with fuel it adds to combustion, in a since like adding finger ports. 2. The extra flow is creating a vacuum effect sucking more charge through the transfers as the gases move through the exhaust port.

Hope everyone is enjoying their Sunday.

yes and no

the air fuel/ ratio on a std engine is around 14/1. the air/fuel ratio going into the crankcase of a strato engine is closer to 8/1.

 

[Andyshine77]

yes and no

the air fuel/ ratio on a std engine is around 14/1. the air/fuel ratio going into the crankcase of a strato engine is closer to 8/1.

With the Strato system intact.

 

[Westboastfaller]

Mr Snelling is finding his gains ... but alas what you gain here ya lose there - simple physics 101

I think that's somewhere between 'Murthy's Law and Physics.

"You gain here you loose there and you find the middle. That's what he has done well and demonstrated for yrs. The guy can walk a tight rope.

where's the after video?

Says the 'one trick Pony'Builder

 

[concretegrazer]

what happens if you only gut the strato with no other mods yo the saw? do you still get gains? if so, are the gains worth the fuel usage?

Yes. No.

 

[crabby cooter]

With the Strato system intact.

yes

 

[hedge hog]

yes until you gut out the stratos

If you gut the strato divider and don’t block the fresh air with no fuel in it it would run leaner
Gutted it would draw fresh air and fuel air at the same time


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[crabby cooter]

why not use the stratos to your advantage instead of a disadvantage ?

 

[hedge hog]

441 carburetor


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[crabby cooter]

look guys, i'm not trying to dis anyone's work here, or saying the saw won't run or run well. i'm trying to have a civil conversation on stratos.

 

[crabby cooter]

462 carb, saw has strato ports

 

[crabby cooter]

441 carburetor


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are you asking what to do to a 441?

 

[flatbroke]

Man you are doing a really nice Job. Im envious

 

[hedge hog]

View attachment 687803

462 carb, saw has strato ports

The 280’s have that
It’s for back pressure of mixed fuel and air
It was there smart carb that came years ago


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[hedge hog]

Brad should step in


Please


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[porsche965]

yes and no

the air fuel/ ratio on a std engine is around 14/1. the air/fuel ratio going into the crankcase of a strato engine is closer to 8/1.

So actually a Strato engine should use lower ratio of oil/gas than a std engine for lubrication?

 

[crabby cooter]

Man you are doing a really nice Job. Im envious

yes I seem to be failing.

so lets look at the very basic's of how a strato engine works and go from there.

the fresh air fuel charge enters the crank case through a normal port the same as any other piston ported engine, other then it has a richer air fuel ratio then 14/1.
the strato ports open at close to the same time as the intake port. the fresh air is drawn down the transfer ports filling them with fresh air.
this all happens on the compression stroke.

on the power stroke.
exhaust port opens releasing pressure.
then the transfers open purging the cylinder with fresh air, the rich fuel charge comes in late in the cycle and mixes with the remaining fresh air trapped in the cylinder. now the air fuel ratio is close to 14/1.

 

[crabby cooter]

So actually a Strato engine should use lower ratio of oil/gas than a std engine for lubrication?

no