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Old Jul 12, 2005, 12:39 AM
Registered User
Malaysia
Joined Jun 2001
1,009 Posts
How V Tail setup and deflect?

If I were to look at the plane from behind, if I turn my rudder stick to the left, both v tail should swing to left, correct?

In another word if I were to put my plane on its fuse side, where one of the vtail touching the table and the other vtail is almost straight up, it will deflect as in a normal tail plane? Am I correct.

I believe some people say its the opposite of aileron movement if one were to look from behind.

Am I correct?

Thanks!
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Old Jul 12, 2005, 01:39 AM
JART Builder/flyer :)
Leif's Avatar
Oslo, Norway
Joined Feb 2005
229 Posts
yep I think that when you turn the fuse so one side of the V-Tail is pointing straight up it should deflect like a conventional rudder... At least it works for me.....
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Old Jul 12, 2005, 07:32 AM
RIP Ric
Andy W's Avatar
Marietta, GA
Joined Jun 1999
43,312 Posts
Just imagine the two surfaces folded up until they are both vertical. Now, rudder movement is the same as for a normal rudder.

So, for left rudder, left surface "down", right surface "up"..
..a
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Old Jul 12, 2005, 07:05 PM
Registered User
Malaysia
Joined Jun 2001
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Thanks Leif and Andy
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Old Jul 12, 2005, 09:19 PM
RIP Ric
Andy W's Avatar
Marietta, GA
Joined Jun 1999
43,312 Posts
Leif, where you located? (I know a guy named Leif up in TN.. )
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Old Jul 13, 2005, 01:46 AM
JART Builder/flyer :)
Leif's Avatar
Oslo, Norway
Joined Feb 2005
229 Posts
I am in Oslo, Norway.... TN????
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Old Jul 13, 2005, 02:24 AM
Vertically Challenged...
Cody's Neighbour's Avatar
Ash Vale Hampshire UK
Joined Jul 2004
345 Posts
V-Tail movements

The RBC Paddle is a bit confusing though!
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Old Jul 13, 2005, 06:18 AM
RIP Ric
Andy W's Avatar
Marietta, GA
Joined Jun 1999
43,312 Posts
Quote:
Originally Posted by Leif
I am in Oslo, Norway.... TN????

Tennesee, USA!
..a
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Old Jul 13, 2005, 01:50 PM
Ascended Master
Sparky Paul's Avatar
Palmdale, CA
Joined Oct 2000
13,499 Posts
I had an inverted vee-tail "paddleize" itself inflight... flew OK before and after.. but did reglue the broken joint after landing..
The booms have to be securely mounted...
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Old Jul 14, 2005, 02:15 AM
JART Builder/flyer :)
Leif's Avatar
Oslo, Norway
Joined Feb 2005
229 Posts
presumably the inverted V-Tail in the photo reacts well since the roll component of the v-tail action and the rudder component are acting in the same direction? doesnt this make the controls even better?
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Old Jul 28, 2005, 07:06 AM
Vertically Challenged...
Cody's Neighbour's Avatar
Ash Vale Hampshire UK
Joined Jul 2004
345 Posts
Leif,

It does work ok, and is quite sensitive, but because the control surfaces are well out of the prop wash I have to be careful not to slow the Paddle down too much. The control movements are small - about 5mm each way to stop it being too twitchy. As it slows down the controls become less and less effective until there is none - then it does it's own thing! Sort of free-flight with motor control! Then I open up the throttle and as soon as the speed builds up I'm ok again.

Bert
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Old Jul 28, 2005, 03:30 PM
The Old Bag LAdy
Chico, Calif
Joined May 2004
17 Posts
Sounds like you need to set up dual rates on your radio. At slow speeds V tails are somewhat inefective.. So when you slow down you'll need way more movement to stay in control...
looks like a fun plane..
Cheers
Al
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