1906 motor bike engine

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BronxFigs:
Tom....

Having only joined this forum within the last day, I have many questions about your engine which I would have asked at the time when you originally posted photos, etc. Now I have to play catch-up, but will hold off asking until I see where this thread takes us. Perhaps my questions will be answered in future postings by you, as the project/engine nears completion.

Very interesting, and well presented project.

Frank

OKTomT:
Hi guys
I have been working on getting the engine started. The bike frame and engine was fastened to my work table and a electric motor was also mounted to turn the engine. The engine fired a couple of times and twisted the center out of the aluminum pulley that I had mounted to the crankshaft. It looks like if I am going to start it this way I need a one way clutch on my pulley. all the other engines I have built had big flywheels and just by turning them they started right up this engine is a little different beast and will take a little more effort. I may need to go ahead and build the kick starter and start it that way.
Frank welcome to the Modder. The book helped me to get started on this engine but it didnt take long for me to go my own way. The crankcase is sealed with gasket sealer and will probably leak a little. I will get the gear and rod spec. next time I disassemble it.
Jason thanks for helping Frank out.

here are some pictures of the bike. I remade the handlebars and have been working on the tank Tom

BronxFigs:
Tom...

Thank you for the kind acknowledgements and for giving us such an interesting build. You engine is most interesting to me, and thanks for answering some of my many questions. I have more, but I'll wait. Now I know that you used sealant on the crankcase seams.

Any chance that you will do some drawings for the critical parts of the engine, like the piston, head, cams, and their gearing dimensions, lifters, rocker arm measurements, etc? The rest of the engine looks like it could be built from your posted photos.

Jason has helped me in the past, and will probably continue to help me into the future...and I thank him for his friendly gestures. : )

Tom...good luck getting the engine started. Tell us what's going on with it, and how you solved the problems. If you had to do it over would you do it the same way, or, would you make changes to your engine design?

Also, good luck with the rest of the bike-build. It's turning out to be a beautiful looking machine.

Kind regards,

Frank

micktoon:
Good to see you making progress Tom , its going to be one cool machine once its all done :drool: :drool: :drool: :drool:

Keep up the good work :thumbup:

Cheers Mick

OKTomT:
Thanks Frank and Mick
Frank when I have it apart I will take some measurements for you. as for changes I would use roller bearings and seals on all the shafts. I think I would build the crankshaft different , no taper on rod pin.
I got the engine running and it runs ok .it is balanced a lot better than I thought it would be. I am running a old mixer off of a stationary engine temporarily. the first carb. I tried was of a 7 hp Honda and would not supply enough fuel to start it. Here is a video of it running. Tom

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