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| sbwhart:
Well got the little gem running right way up, not without a bit of trama, any way a little up date. As you know I had a bit of trouble getting the piston crank drilled in the correct position so what I did is make a little drilling aid, it was a simple bush that I slipped the con rod through to grip the piston for drilling I was then able to pick the edge of the vice up and Zero my dials and index to the correct position for drilling, worked like a dream. This is the bush with a piston in place And this is it in use Then instead of a lose bush thing that the drawing shows I made a bearing with a 4mm hole and shouldered to fit into the cylinder, I soft soldered this in place using solder paste, great stuff this for little jobs Turned down the spindle for a nice fit in this bearing. At first when I assembled it together it still wouldn't run right way up but it fiddled with it a bit tried a tighter fitting piston this didn't work, I'd gaven it a good oiling so stripped it down cleaned all this oil off and tried running it dry and away she went right way up wrong way up any way which. :nrocks: :nrocks: :nrocks: :nrocks: :nrocks: :nrocks: And as :worthless: I'm down loading a vid from my lap top onto youtube its taking an age and I'm running out of time Boss wants some of my time so you'll have to wait for it Stew |
| sbwhart:
The Move Do you like the exit stage left :lol: Realy having fun Stew |
| Andy:
It makes a great sound. Really like that. |
| Stilldrillin:
Well done Stew! That`s a crackin` little engine! :clap: It`s got a nice sound to it..... :thumbup: Classic exit! David D |
| foozer:
--- Quote from: sbwhart on July 18, 2009, 06:24:58 AM --- Then instead of a lose bush thing that the drawing shows I made a bearing with a 4mm hole and shouldered to fit into the cylinder, I soft soldered this in place using solder paste, great stuff this for little jobs Stew --- End quote --- Solves one issue. Even with a press fit not a lot of meat to secure the bushing. Solder, ah yes, but yet another opportunity to muck things up. Good Job Robert |
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