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| 1906 motor bike engine |
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| micktoon:
I like what I see Tom :bow: :bow: :bow:, looks spot on , I will be watching with interest, Keep up the good work :thumbup: :clap: :clap: Cheers Mick |
| John Stevenson:
Tom. Really really nice work, like the hollow dowel to locate the cases. Balancing involves adding metal opposite to the load ie, piston and rod or removing metal close to the load. So in your case it would mean drilling holes to either side of the crank pin. Here's a nice book to help on a lot of design issues. http://www.stevenson-engineers.co.uk/files/TuningForSpeedByPhilIrving.pdf Page 96 covers balancing. But I would like to say I'm not trying to nit pick on Tom's build which I have to admit is nothing short of brilliant |
| Pete.:
Pretty cool :thumbup: Are the casing halves dowelled together? Will you line-bore the main journals together with the casing halves joined? I love how welding porosity looks just like casting blemishes :D |
| Stilldrillin:
I've seen several similar builds, over the years. I love to see how quality plating and welding work comes together, to produce "castings"...... :clap: :clap: David D |
| Jasonb:
Thats going to be a nice looking engine. Funny enough I was only talking to Jo over on MEM the other day about making a similar style crankcase but to use a Hoglet as the remainder of the engine rather than using teh open crank design. This may give you some inspiration http://flashbackfab.com/excelsior-project-paul-brodie/ |
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