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| 1906 motor bike engine |
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| John Stevenson:
No criticism as you are following the book but I notice the absence of balance weights on the flywheel ? |
| Stilldrillin:
Oh, My...... This is going to be a cracker! :bugeye: Thanks for posting, Tom. :thumbup: I'll watch quietly. Won't be any trouble. :) David D |
| OKTomT:
Thanks guys I am working on the picture size but photobucket seams to be having a problem. John I am not familiar with bike engines. The crank is what was in the book and the book was printed in 1906 maybe the author didn't know about balancing or the engine ran so slow it didn't matter. I plain on drilling some holes on the heave side to balance it. I think I read some where about adding half the rod weight to the crankpin first? Pekka the pins are tapered 3 degrees the nut holds them in. Original design Stew I believe you could scale it to whatever size you like please post it if you do. Here are some more pictures of the crankcases I welded the main bearing bosses in and line bored them. Made some main bearings and pressed them in. bored the hole for the cylinder and drilled and taped the cylinder mounting holes. Tom |
| Brass_Machine:
Tom, That is some cool work... :thumbup: |
| Rob.Wilson:
Fooking hell Tom :bugeye: ,those casings look excellent :bow: :bow: :bow: Rob |
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