GBD
ArboristSite Operative
are you raising the ex to acheive those numbers?
Those numbers was actually joke to make a statement:msp_smile: 25* is more realistic.
are you raising the ex to acheive those numbers?
Those numbers was actually joke to make a statement:msp_smile: 25* is more realistic.
No, it was you that said that. And you thought I was serious? No saw builder would believe that.
25° blowdown in a 044/046 is a joke. Seriously, where did you get this idea?
25° blowdown in a 044/046 is a joke. Seriously, where did you get this idea?
Those numbers was actually joke to make a statement:msp_smile: 25* is more realistic.
I didn`t I advised him to increase from 14.4 to 18.
What I do understand is that the best running 044/046, even from the factory, have a short blowdown. I've demonstrated as much with my own work and testing. If you have another method that skins the cat another way, fine. But several of us have found what I say to be true, and have done the testing to prove it.
gbd is right on this one
blowdown should be 19-20
like i said, those numbers work for race saws, but prove to be hard on fuel for a work saw
And your point beeing??? Originally I was offering an advise to an easy way to resque a cylinder with hopeless port layout. I would never have attempted to do anything myself on a chainsaw cylinder with 130* trasfer duration, but throw it in the bin.
What I do understand is that the best running 044/046, even from the factory, have a short blowdown. I've demonstrated as much with my own work and testing. If you have another method that skins the cat another way, fine. But several of us have found what I say to be true, and have done the testing to prove it.
That's not what I read.
This is an pretty dramatic statement considering that the numbers are the stock numbers on one of the most respected saws ever. It is not a matter of salvaging a ruined cylinder in this case.
Sorry, got a little carried away, there. I have never seen a chainsaw cylinder or other industrial type two-stroke cylinder with that kind of transfer duration in my life, so I couldn`t believe it was meant to be that way.
That is exactly why I started this thread in the first place. The numbers weren't in line with anything I had seen up to this point.
Yep. Them early 44/46 cylinders sure are a bit different.
So you just did a widen up, and a bit more intake?
Hows she run now?
Sorry JPK to jack your tread with my rant. I can move it if you like. Apologies...
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