Gallery, Projects and General > Project Logs
Webster IC Engine build log.
sbwhart:
Well done that man :thumbup: :clap:
Looks like all your preparation work paid off, thats the way to go :headbang: now you've got another technique in your armory.
Stew
NickG:
Yeah nice work chris, that's all worked out spot on and sure you'll use the bits many times again - look up on those as workshop tooling not part of the engine project.
Nick :thumbup:
Stilldrillin:
:clap: :clap: VERY nicely thought through, and put into practice Chris! :clap: :clap:
Blummin well done! :thumbup:
David D
raynerd:
Thanks for the comments guys.
Have any of you any advice when it comes down to piston rings. I have lapped the bore and in an earlier post I mode, I was kindly well informed that I should hone the bore if using cast piston rings and lap the bore if I was intending to use an o-rings. I intend to use vitron o-rings because I believe they will be a little more forgiving and easier to purchase - that said I`m not exactly sure where to buy one from!
I am also a little confused when it comes to dimensions...my bore is 7/8" = 0.875"
Brian Rupnow has posted some interesting info in his build log in which he explains he went for a 1/16" cross section (Which is apparently actually 0.070") and then posted these details followed by the image at the link below: The groove depth should be .055" to .057" and the groove width should be 0.095".
http://i307.photobucket.com/albums/nn294/BrianRupnow/o-ring001.jpg
I`m not clear at all about how is based his decision on which ring to purchase... could anyone help me out here either with reference to understanding the dimensions or finding a reliable supplier?
Regards
Chris
NickG:
Chris, there is a lot of debate over this subject! I think there might be some info in the tiny i.c threads too. I'd be tempted to go for a lapped bore and cast iron piston with not much clearnace. I know Jan Ridders does that on his engines.
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