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| V-twin engine from scratch - yet another interpretation of how (not) to build a |
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| sorveltaja:
Valves are almost done. I made a valve seat cutter(below) also, and it worked just fine. Simple yet great tool ::). Valves seat already quite nicely, and lapping process makes them hopefully even better. |
| sorveltaja:
I made the circlips of 0.8mm(0.031") tinned copper wire, and caps are made of 4mm stainless. Must be the smallest pieces on the assembly. Especially those circlips are quite challenging to get in place. The ones on the above pic are just practising pieces, so learning is on it's way :dremel:. |
| NickG:
Looking good! :thumbup: |
| sorveltaja:
Spark plug holes with an M6 threads: There was just enough room for spark plug holes. I didn't make the threads all the way through, as that would have distorted the valve seating surfaces. I did some flattening to remove machining marks from heads/cylinder body contacting surfaces. Anyways, I guess that major machining work is done on the heads. What's left, is to make a fastening systems for carburetor and exhaust tubes. |
| Stilldrillin:
Looking good, and shaping up nicely! :thumbup: David D |
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