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575 cutaway.
2-barrels and a few more pounds (a.k.a. the new Huskies)
- Thread starter glens
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575 side view.
Well, thanks a million for the thunder-stealing there, Rich. I'd modified the images slightly for better detail in the shadows, plus I've got a few you didn't post, so I'm going to proceed.
While I was standing next to one of the 575XPs outside at the test area, curiosity got the better of me and I popped the top cover off. Jeff S. had been talking with someone when he looked over and came running with his camera.
This one is the whole bare enchilada.
While I was standing next to one of the 575XPs outside at the test area, curiosity got the better of me and I popped the top cover off. Jeff S. had been talking with someone when he looked over and came running with his camera.
This one is the whole bare enchilada.
One or two people had run the saw and although I'd not intended to do so myself, I couldn't stand it any longer, so donned the chaps and hearing protection (not that it's entirely necessary with this saw) and sliced a round. I was going to put it up when Jeff motioned for me to make another as he readied his camera.
At least my shades where Stihls.
Check out the chicks checking me out...
At least my shades where Stihls.
Check out the chicks checking me out...
A different angle on the now-right-side-up assembly. As you can see, the air-only "secondary" is on the bottom on this saw. On the 455 it's on top.
I think the Husky guys were wanting me to put it back into the saw at this point (just kidding; I'd found it that way).
I think the Husky guys were wanting me to put it back into the saw at this point (just kidding; I'd found it that way).
Mr. Zerfoos' expression changed to one of mild surprise as I walked around the inside exhibition stand with this cylinder and held it for Jeff to make a "photo".
Inside lighting and no flash sometimes makes for unsteady imagery, though I must surely take some of the blame since I can't hold a precision level vial as steady as I once could in my youth...
Inside lighting and no flash sometimes makes for unsteady imagery, though I must surely take some of the blame since I can't hold a precision level vial as steady as I once could in my youth...
I would usually exhibit better form, but my casual wear instilled a strong desire to make extra effort to keep my feet out of the line of a busted chain.
I'm not too comfortable with the way that "Husky" guy appears to be checking me out...
I'm not too comfortable with the way that "Husky" guy appears to be checking me out...
Finally, it appears they don't fasten the pieces together very well...
Like I said, I'd increased the overall sharpness a little (maybe making the images a little more "grainy" in the process) and bumped the gamma a notch-and-a-half for better detail in the shadows.
Like I said, I'd increased the overall sharpness a little (maybe making the images a little more "grainy" in the process) and bumped the gamma a notch-and-a-half for better detail in the shadows.
Here I'm disrobing and it would appear Jeff has a foot fetish.
Rest assured I wear substantially more substantial footwear when putting a chainsaw to real use, though sometimes my chaps do have bare legs inside them much the same as these did.
Rest assured I wear substantially more substantial footwear when putting a chainsaw to real use, though sometimes my chaps do have bare legs inside them much the same as these did.
That's what I get for getting "fancy" and posting them all simultaneously over a modem connection.
They were initially submitted in increasing numeric order of filenames, if that helps explain things better.
Read them in the proper order. It doesn't make so much sense the way it ended up. I'll try not to try to be so clever next time.
Glen
They were initially submitted in increasing numeric order of filenames, if that helps explain things better.
Read them in the proper order. It doesn't make so much sense the way it ended up. I'll try not to try to be so clever next time.
Glen
I wonder where all the weight is coming from? BTW Glens, did yout alk to the guys at the Stihl booth to see what their answer to the emmissions problem will be?
Ben, there <i>wasn't</i> a Stihl booth. Someone had some Stihl equipment (mostly homeowner-line stuff) sharing a stinking Dodge display. If it weren't for the Mercedes cutaway van chassis wearing the Freightliner and Sprinter nameplates, I wouldn't even have stopped to see <i>anything</i> there.
George, I never did get any new boots. It turns out my Chinese-made Red Wing logger boots are tits on the ropes and in the trees. <i>You</i> can vouch for my casual under-chap leg-wear while working. 'Course it was a bit under 90°F in Louisville (that's lew-ul-vul, no syllable gets any more stress than another -- it just flows out like mud) yesterday!
Glen
George, I never did get any new boots. It turns out my Chinese-made Red Wing logger boots are tits on the ropes and in the trees. <i>You</i> can vouch for my casual under-chap leg-wear while working. 'Course it was a bit under 90°F in Louisville (that's lew-ul-vul, no syllable gets any more stress than another -- it just flows out like mud) yesterday!
Glen
So are you saying the 385, 395, and 3120 are not being used on the west coast. It seems they have quite a bit of following in most other areas.
Bill
Saw Man
ArboristSite Operative
Saw this looped design on a computer about 1 1/2 years ago. it will reduce emissions.
Expect to run it at the GIE show in Charlette, NC this November.
It's a take off of the Red Max (Komatsu) Strato Charged engine design that is being sold (licensed) to other companies to use.
It was Federally certified back in 1995.
1st generation used short tubes directly from the two barrel carb to the transfer ports.
Eliminated the long cylinder thru crankcase tubes saving on weight, gave faster fuel flow, better power curve, and less heat problems.
2nd generation used ported pistons eliminating the tubes, providing less parts, and improved performance.
They already have a the world's first Strato Charged chain saw for sale in the USA. 40cc model GZ4000.
Being a small company they concentrated on where more saws are sold, and where clean engines benefit most, as larger engins have less restrictions....for the moment.
Expect to run it at the GIE show in Charlette, NC this November.
It's a take off of the Red Max (Komatsu) Strato Charged engine design that is being sold (licensed) to other companies to use.
It was Federally certified back in 1995.
1st generation used short tubes directly from the two barrel carb to the transfer ports.
Eliminated the long cylinder thru crankcase tubes saving on weight, gave faster fuel flow, better power curve, and less heat problems.
2nd generation used ported pistons eliminating the tubes, providing less parts, and improved performance.
They already have a the world's first Strato Charged chain saw for sale in the USA. 40cc model GZ4000.
Being a small company they concentrated on where more saws are sold, and where clean engines benefit most, as larger engins have less restrictions....for the moment.
Better buy your 372's while you can!
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I did!!!
Just air. The smaller cylinder ports above the intake and between it and the transfers are where this air enters the system. If you look at the cut-in-two saw picture, you can see a raised area on the inside rear of the piston, each side. At those points on the outside of the piston, there are reliefs which interconnect the air-only intake ports with the transfer ports. This occurs as the piston is rising, just before the main intake opens. The vacuum forming in the crankcase is relieved by that air-only traveling backwards through the transfer tracts. This fills them to a certain extent with fuelless air, which is the first thing into the cylinder as the piston descends and opens the transfers. The plain air is what chases the exhaust gas out of the cylinder.
Of course, all this stuff also works in reverse to a certain extent when the piston is traveling in the other direction(s).
With this system, a tuned expansion chamber exhaust should be much less effective as there's so little fuel going out the exhaust port, which would normally be stuffed back into the cylinder.
Glen
Of course, all this stuff also works in reverse to a certain extent when the piston is traveling in the other direction(s).
With this system, a tuned expansion chamber exhaust should be much less effective as there's so little fuel going out the exhaust port, which would normally be stuffed back into the cylinder.
Glen
