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Canard Roll Control Conundrum

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Cliff 195930/06/2019 08:40:17
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283 forum posts
60 photos

I'm putting together a canard and was wondering if the all-flying forward wing which gives pitch control could be used to provide some sort of roll control by splitting the surface in half and mixing on the tx?

Cliff Bastow30/06/2019 08:49:30
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830 forum posts
427 photos

Hi Cliff,

Its perfectly possible,

I had a Nigel Hawes Can-Doo Which had split Fore-planes and twin servos and was set up just like this.

Mine also had ailerons on the wing and I had the aileron function on the Fore-planes on a mix with a switch so I could switch it out if needed. With it in roll rate was fast!

If you can find his original article it mentions just this set up,

Cheers Cliff.

 

 

Edited By Cliff Bastow on 30/06/2019 08:49:44

Cliff 195930/06/2019 09:00:01
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283 forum posts
60 photos

That's good news Cliff thanks for your input, I would have experimented anyway but it's good to know in advance.

15618811365248815681497796443528.jpg

Shaun Walsh30/06/2019 16:33:30
206 forum posts
13 photos

I was talking about canard roll in our local Chinese restaurant recently, the waiter advised that it was best eaten with Hoisin sauce cheeky

Chris Walby30/06/2019 18:58:18
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1028 forum posts
239 photos

How about 3 servos and canard control surprise

20161211_204735_1481490225432.jpg

The trick (and not my idea) is to the have the aileron servos mixed as elevrons and here comes the wild bit...

Cross the port servo with the starboard canard..best to mechanically reduce it travel and the result is manic on low rates....

I'll see if I can post the creators video.

Colin Leighfield30/06/2019 23:37:07
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5967 forum posts
2494 photos

dsc_0191.jpgI used a split all-flying foreplane on my version of the CanDoo with full elevator and aileron mixing, works very well indeed.dscf6451.jpg

Edited By Colin Leighfield on 30/06/2019 23:38:43

Edited By Colin Leighfield on 30/06/2019 23:39:46

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