Building a non foam board rc plane. - RC Groups
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Dec 06, 2017, 08:34 AM
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Discussion

Building a non foam board rc plane.


Hello

I am making a 3 channel rc plane made completely out of packing thermacol and sunboard sheets (choroplast sheets).

For reinforcing the wing I will use 1.5mm carbon fibre rods and will have 2 X 9g servo

Wingspan 90 cm and length of 9.5 cm and fuselage length 45 cm

If any improvements then plz tell?
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Dec 06, 2017, 10:39 AM
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Extreme Sports's Avatar
Two thoughts:

1) 1.5mm CF rods won't add much reinforcing to the wing. Because they are so thin, they are very flexible. You'd be better off using a 5mm or 6mm CF tube as a spar. You can use thin CF if you glue 1 length along the top of the wing and 1 along the bottom...but then you'd be better off using CF strip, or something cheaper, such as wood dowels or even pallet strapping.
2) Is there any reason why you like to keep the top of the fuselage open? It will be more rigid if you close it. See this thread for some ideas and techniques for simple corro designs: https://www.rcgroups.com/forums/show...ng-in-the-park

Proportions look better than your earlier planes (though the HS could still be a bit bigger ). Motor looks bigger than you need - at a guess I'd say that one could easily carry a 1.2m plane, given the materials you are using.
Dec 06, 2017, 07:55 PM
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Piece's Avatar
With only three channels and two servos, it sounds like you're planning to use rudder and elevator control. With such a flat wing (no dihedral) it will be difficult or impossible to steer and control. I would add ailerons with a fourth channel, but you could also add dihedral to the wing.
Dec 09, 2017, 11:56 PM
Registered User
Well this is the video of my rc Plane which is a bigger scale of this flying with Openpilot Cc3d installed on it as I am still learning to fly.

Rc Plane with Openpilot Cc3d Flight and Auto Flight. (2 min 36 sec)


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