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| Potty Simpson and Shipton Short Stroke Engine |
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| doubleboost:
:drool: :drool: :drool: :drool: :drool: Very nice :thumbup: :thumbup: :thumbup: John |
| BillTodd:
Lovely work Stew :) :thumbup: I notice the piston rotating cranks are both set at the same angle, shouldn't they be at 90° to each other ? Bill |
| sbwhart:
--- Quote from: BillTodd on February 23, 2012, 04:54:04 PM ---Lovely work Stew :) :thumbup: I notice the piston rotating cranks are both set at the same angle, shouldn't they be at 90° to each other ? Bill --- End quote --- Yes you're right Bill it was just a lose assembly to get an idea of how it fits together, I need to make base before I get om and make the bearing and fly wheel, don't think there is much more to do then. Stew |
| Brass_Machine:
Wow Stew. That build is coming along quite nicely. :nrocks: :nrocks: Eric |
| sbwhart:
Thanks Eric Things slowed down durring the past week while a did a little commission work :D. Started on the base, first I squared it up to size, then drilled and tapped the cylinder fixing holes for M3 studs. This was so I could set the cylinder down and get some idea of whare the cut outs were to go and how much to cut out. Then marked them out with the height gauge centred popped the lines and hatched them out some, so I didn't get mixed up. Then drilled the coners of the cut out first. Then chewed them out with a slot drill. Quick look see Now on with the columns, I'm fabricating these out of ally bar, for the fluted column I'm using 9/16" bar, first cut the bar down into handy lengths than face and centre drill one end. In the spin indexer with a 1/4" ball nosed cutter mill the 12 flutes. This is whare the power feed on the mill pays for its self, whist it was doing its thing, I fired up the lathe, and parted off the bases from some 20mm square ally bar. I'd have got these roosters finished today but my boss dragged me out of the shop to go the Docs for some injections for our visit to Africa. :- Now got a sore arm :( Stew |
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