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Author Topic: Type-F rotary couplers in 1:29  (Read 1548 times)
Ray Dunakin
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« Reply #15 on: May 14, 2017, 05:32:22 PM »

Fascinating!
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Burl
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« Reply #16 on: May 16, 2017, 02:45:10 PM »

I hooked them up to a rotisserie and shot some video.  First time I think I've tried something like this, so it may be a little rough.


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Ray Dunakin
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« Reply #17 on: May 16, 2017, 10:00:36 PM »

That's cool!

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Bill Gill
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« Reply #18 on: May 18, 2017, 02:10:45 PM »

Burl, Bravo! That turned out really well!
I am not very familiar with casting techniques. When a lost wax mold is made the wax master is burned away and/or absorbed into the plaster mold when the molten metal is poured in, but the plaster mold can be used only once because it is broken later to get the metal casting. How were your wax masters turned into molds? Can the molds be used more than once? (Sorry for the novice level question on such a high level project, but got to start learning somewhere).
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« Reply #19 on: May 18, 2017, 03:58:43 PM »

I had some time to work on the yoke drawing for the non-rotary end.  This will eliminate a couple steps of assembly.


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« Reply #20 on: May 18, 2017, 04:01:32 PM »

Bill: Iím having my drawings printed at Shapeways in their ďFrosted Ultra DetailĒ, and then making an RTV mold from that.  I have a wax injector here, so Iím shooting my own waxes, and sending them to a foundry for investment casting. 
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