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  #11  
Old 11-20-2009, 12:25 PM
yone187 yone187 is offline
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looks like a zombie chopping tool! haha awesome dude! wish i had one. would make removing parts very easy.
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  #12  
Old 12-20-2009, 07:51 PM
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Ok, I've been back for a bit, but the saw has been out on loan for the last week and came home earlier today. Picked up a larger sprocket and found out I got the wrong center hole size. So things are on hold until get the proper one, think I may go a bit larger still since I have to remove the outer flange on the "bar" anyway. The sprockets I had on there were 20 tooth driven and a 16 tooth on the saw. Turned the blade way to fast and had little torque. The only reason for the small sprockets was the room I had to work with. But here are the pictures of how it was put together. The next person may have a lot better way of doing it. I'm going to shoot for at least a 3 to 1 ratio for gearing it down. That way the clutch will lock up and the engine will be up to speed and provide the required torque....hopefully. The idea works, just need to get the bugs out now.

#1 Just a view before I took it apart again.
#2 Cover and clutch brake removed, small hole below studs is for chain adjustment pin to sit in.

#3 Clutch and sprocket.
#4 Can bearly see where tips of the chainsaw chain/sprocket were removed enough in the lathe so the #35 chain sprocket could be slipped over them. #35 sprocket was then tack welded to each clutch tooth.

#5 Outer end of bar with arbour and holder. Arbour came from old chopsaw.
More pictures coming!
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File Type: jpg IM000180.jpg (103.2 KB, 45 views)
File Type: jpg IM000181.jpg (113.0 KB, 45 views)
File Type: jpg IM000183.jpg (61.2 KB, 41 views)
File Type: jpg IM000184.jpg (75.7 KB, 45 views)
File Type: jpg IM000186.jpg (77.4 KB, 45 views)
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  #13  
Old 12-20-2009, 08:02 PM
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#6 Collar/hub was turned so there was a shoulder that would bear against the arbour bearing.

#7 Arbour
#8 Bar, arbour, shield.
#9 Cutting wheel side of arbour
#10 A 20 tooth sprocket was removed, a 30 tooth is larger than the 'bar' flanges will allow. Since I have to make some changes, I'm going to see if I can even go bigger on the the sprocket, decreasing the blade speed and improving the torque at the same time. Would like to get a 3 to 1 ratio...we will see! Stay tuned kids.
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File Type: jpg IM000190.jpg (51.7 KB, 30 views)
File Type: jpg IM000191.jpg (67.5 KB, 26 views)
File Type: jpg IM000192.jpg (74.3 KB, 22 views)
File Type: jpg IM000193.jpg (88.9 KB, 23 views)
File Type: jpg IM000196.jpg (92.2 KB, 29 views)
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  #14  
Old 12-20-2009, 08:44 PM
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WOW, I'm really impressed by your ingenuity and craftsmanship. Carry on! perley
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  #15  
Old 12-31-2009, 01:22 PM
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One other option is you can run your barstool when not chopping something.LOL
Nice work, neat idea!!
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  #16  
Old 02-01-2010, 05:17 PM
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Ok, finally got this rig redone with the lower drive ratio. It seems 3 to 1 works out quite well. I cut through a 1 X 2 X 1/8 wall tube with a 1/2 inch solid rod welded to the tube just as quick as a shop chopsaw. The last bit of work is a guard for the chain. I would imagine if it came out at speed, it would announce itself. (Hey you!! Whack...owww) So there you go, that's how I went about a home brew gas powered saw. If you try it, just remember...it won't care who you are, it can be dangerous, and it can bite, so be careful. Sniper
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File Type: jpg Saw5.jpg (65.2 KB, 32 views)
File Type: jpg Saw 006.jpg (63.4 KB, 27 views)
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  #17  
Old 02-01-2010, 10:23 PM
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MANTOOL....../


COOL..
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  #18  
Old 02-01-2010, 10:55 PM
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well now you have to mount it like a chop saw!!! the electric ones wear out to quick!! say like you could make ie mount to the chop saw base, and it could also be removeable when needed, portable!!!
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  #19  
Old 02-01-2010, 11:01 PM
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Quote:
Originally Posted by Rev Tex Devlle View Post
well now you have to mount it like a chop saw!!! the electric ones wear out to quick!! say like you could make ie mount to the chop saw base, and it could also be removeable when needed, portable!!!
I'm going to save that for the next guy. Think I'll quit while I'm ahead.
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  #20  
Old 02-01-2010, 11:07 PM
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Thats funny right there, I don't care who you are....
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