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| Webster IC Engine build log. |
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| raynerd:
Doug Thanks for then info!! You have ben very helpful!! I`m sorry, I have been meaning to say that I have been intending to use the vapour carb for months now so yes, I will be taking your advice here. I just keep talking about the "carb" because it is what the plans state. OK, thanks again. I`m struggling like hell to cut the valves. Must have wasted about 5 hours now on unsuccessful attempts. 1" is just causing chatter and a terrible unusable finish on the shaft. |
| dbvandy:
--- Quote from: craynerd on April 16, 2011, 05:01:39 PM ---Doug Thanks for then info!! You have ben very helpful!! I`m sorry, I have been meaning to say that I have been intending to use the vapour carb for months now so yes, I will be taking your advice here. I just keep talking about the "carb" because it is what the plans state. OK, thanks again. I`m struggling like hell to cut the valves. Must have wasted about 5 hours now on unsuccessful attempts. 1" is just causing chatter and a terrible unusable finish on the shaft. --- End quote --- I did mine with the head part on the tail stock side with a live center in it, then cut off the extra little stub... Here is a pic the valve from the otto, but done the same way: Doug |
| Bogstandard:
Chris, If you still have trouble making them from solid, the other way is to silver solder the valve head onto a precision shaft, and machine it to shape afterwards. Just another recognised way to do it. Bogs |
| dbvandy:
--- Quote from: Bogstandard on April 17, 2011, 03:01:08 AM ---Chris, If you still have trouble making them from solid, the other way is to silver solder the valve head onto a precision shaft, and machine it to shape afterwards. Just another recognised way to do it. Bogs --- End quote --- I thought about doing that for the V4 quad cam, but I don't trust it. It seems like a solid piece of metal is more sound than two pieces soldered together.... Doug |
| NickG:
Bogs, I've seen the soldered method used before too to good effect, guess you could use a piece of silver steel then and chuck it in a collet. Nick |
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