Thread: Build Log POP = Pitch-O-Plank
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Old Nov 18, 2012, 12:18 PM
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United States, OH, The Plains
Joined Jan 2011
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Originally Posted by Knoll53 View Post
The great thing about CNC over laser cutting is the choice of materials. Lite ply, Birch ply, fiberglass plate. It's all do-able.

It would be nice to make custom control horns on the elevons that are integrated into a rib, thus allowing perfect geometry to hinge line and such.

Yes, you are correct, a router will take on material that a laser hes trouble with, though I am dreaming of a 40 - 80 watt laser for a future project. As for now, I'm very seriously thinking about a 2W blue solid state laser to mount on the Z axis so I can engrave part #'s on the pieces as they are being cut. I think that would be a nice feature. A 2 watt, properly cumulated, will make a nice burn mark on wood and such rather quickly.

For the elevators on this one, I am going to drive the hinge rod it's self to move the control surface, so the geometry should be about as shiny as it gets. As a plus, there are no external horns, cranks, pushrods, etc.. Note pic of ribs in the first post and CAD drawing below.

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