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Potty Popcorn Engine |
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arnoldb:
Looks Great Stew :thumbup: :beer:, Arnold |
NickG:
Stew, very nice ... a lot of work in that part there. I've often wondered how people did that, nice method ... guess it's one of those that although taking more time to remove metal, it's actually easier done from stock than casting. Nick |
sbwhart:
Thanks Nick/Arnold/Dave/Saw --- Quote from: NickG on September 29, 2011, 10:43:42 PM ---Stew, very nice ... a lot of work in that part there. I've often wondered how people did that, nice method ... guess it's one of those that although taking more time to remove metal, it's actually easier done from stock than casting. Nick --- End quote --- Thats a very good point Nick, I had been wondering myself how you would machine it up if it had bin made as a casting, and i just couldn't see how you would hold it. Had a good natter with John the other night about making this part and he suggested that you could make it in two parts and silver solder it together, which I think would be very veasable also. Stew |
sbwhart:
On with the connecting Rod:- Cut a length of mild steel to length and put a sacrificial centre in each end. Then with the compound set over at 2.5 deg for the barrel shape Then onto the mill and mill flats on the ends had to use thin parallels for the barrel to fit in. Drill holes for the bearings This is what you get Cut the centers off then using filing buttons shape the eye at one end to fit in cross head. It's coming on next job crank shaft bearing supports. Stew |
saw:
Looking good :D |
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