Building a Flying wing & channel mixing - RC Groups
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Dec 22, 2012, 12:54 PM
derp express's Avatar

Building a Flying wing & channel mixing

Hi gents,

I've built a couple of "standard" airplanes with fuselages using the "Armin Wing" method from experimental airlines, and I've been very satisfied with how they fly. However, I'm looking for something with better performance, and the (theoretically) very high lift-drag ratio of a wing appeals to me a lot. I know absolutely nothing about the particular demands or considerations for a wing as opposed to a regular airplane. So I'm wondering if the "armin" wing build method is viable for use with a flying wing?

Also, I've been pretty much just using cheap, simple 3 or 4 channel radios to control the planes I've built. They work very well for simple little planes with a fuselage and a horizontal/vertical stabilizer, but I imagine this wouldn't be adequate for a flying wing, since it requires channel mixing. I'm wondering if there are any decent, affordable radios out there that are good for channel mixing to fly a wing, and if so, are there any guides on doing the mixing correctly, or is it mostly just a matter of trial and error for your particular plane?


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Dec 22, 2012, 02:07 PM
You know nothing....
Stuart A's Avatar
It's possible to use a V tail mixer with your existing radio.Do a search,plenty of info.
Dec 22, 2012, 03:10 PM
Registered User
I remember seeing a post on the web site that gave specific setup instructions for a Spektrum DX6i transmitter when using one of their wings. Crashtesthobby sells the Assasin, Roswell, and other wings they have marketed for some time now. Mike D.
Dec 22, 2012, 08:38 PM
Zen in the art of foam
djacob7's Avatar
I use this mixer for my flying wings
Connect your elevon servos to the mixer and connect the mixer to ch1 and ch2 on your receiver.
Dec 22, 2012, 11:14 PM
derp express's Avatar
Interesting stuff. I'm wondering if there's any viability to a non-mixed flying wing control system. For example, I'm looking at the possibility of a non-swept constant chord flying wing (a plank, more or less), and for that I'm assuming I'd want very tiny elevator control compared to the amount of surface area and deflection of aileron control. Therefore, it seems reasonable to have normal sized ailerons for banking, but very tiny elevator control surfaces with very small deflections (since I'm guessing an absolutely straight flying wing will be VERY pitch sensitive).

Take this guy for example:

Does this seem feasible, or realistic?
Dec 24, 2012, 03:16 AM
Rusty Nail's Avatar
You can use separate elevator and ailerons as you describe.
With a mixer you will need to attenuate the elevator throws and that usually needs a computer radio with at least 4 mixes ( one more than the cheap FlySky CT6 eg).
However it is very easy to adapt a transmitter to variable rates as here.
Dec 25, 2012, 02:15 AM
Registered User
conbones's Avatar
as they have suggested you can use separate control surfaces. Or a cheap spectrum DX4e has delta mixing programed in the TX.

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