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Old Aug 03, 2011, 11:18 AM
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New technologies which can be helpful for every ornithopter's designer


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Last edited by seagull10; Aug 22, 2011 at 09:00 PM.
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Old Aug 03, 2011, 01:55 PM
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There's magic in those wings !
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Thanks a lot for sharing ... ... I really enjoyed them

Khaled
Old Aug 03, 2011, 05:20 PM
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Old Aug 03, 2011, 09:02 PM
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I looked into water jet cutting for my frames many years ago back in Florida but at least at the time it wasn't accurate enough and it was too expensive.
Old Aug 03, 2011, 11:15 PM
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Old Aug 04, 2011, 01:38 AM
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I just remembered I actually visted a shop in Billings right before I built my CNC router and the guy had a huge water jet machine. It ran night and day cutting large aluminum plates but only did the rough cut. He did the finishing cuts on a CNC mill. I discussed my parts with him and he said no, would be best routed. Maybe there are many different types of machines.

I don't route carbon...I hear the dust us deadly. The G-10 dust doesn't bother me actually but I'm sure it's not good for me either.
Old Aug 04, 2011, 09:17 AM
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Old Aug 04, 2011, 09:29 AM
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Old Aug 04, 2011, 10:23 AM
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Old Aug 04, 2011, 10:11 PM
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yes carbon is very toxic when i routed mine i was wearing a full respirator and had a good clean up after
Old Aug 12, 2011, 07:27 PM
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Old Aug 12, 2011, 07:35 PM
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Old Aug 12, 2011, 09:20 PM
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what makes that guy think the cog rolling on those rollers cannot wear? he needs a hardness of 60 rockwell to pull that off.
Old Aug 12, 2011, 10:01 PM
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I struggled with that same type of system in 1996 but it was gearing. The concept is not new and it is similar to the "harmonic" gearing I had posted about previously. I had the internal gear but finding a suitable spur gear was difficult. Theoretically, the spur gear inside the internal gear was to have one tooth less, so the output advanced one tooth distance per revolution. The tooth profile had to be custom though so I never made it work.

This new design with the roller pins looks pretty good to me.
Old Aug 13, 2011, 02:56 AM
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