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All Forums >> RC Airplanes >> Pylon Universe - RC Pylon Racing >> QM-40 Racing >> latest Airfoils being used in Q40 Page: [1]

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latest Airfoils being used in Q40 - 4/18/2007 10:37:26 PM   
oddy


 

Posts: 178
Joined: 5/29/2003
From: Mexico city, MEXICO
Status: offline 		Hi everyone, just some random questions about the newest Q40 designs out there

1.- Do anyone Knows which airfoil is it being used on the following airplanes

- Proud Bird II
- Polecat (guess it is MH24)
- Record breaking Larson Vendetta´s
- Jim Allen´s Proud Bird
- BBR GR-7

2.- Supposing it would be possible given the Reno Racer rule, would a V-tail be helpfull in therms of performance for a Q40 plane (I´ve seen some FAI F3D desings V-tailed) ?

3.- How far are you balancing your Proud Bird II and Larson Vendetta´s?


Thanks in advance to anyone who takes the time.

Best Regards.
Víctor Arreola.

_____________________________

If I say that the Burra is Prieta is because I have the pelos in my hand.
       Post #: 1

RE: latest Airfoils being used in Q40 - 4/18/2007 10:59:44 PM   
DHG


 

Posts: 896
Joined: 4/24/2002
From: Arvada, CO, USA
Status: offline 		Victor,

1. I think the Pole Cat uses a modified MH 24, not an exact MH 24.

2. A Swee'Pea (midwing, V-tail) would be legal in Q40, and it's a good design. I've flown a couple of different ones.

3. Sorry, I'll have to pass on that one.

Duane

(in reply to oddy)
       Post #: 2

RE: latest Airfoils being used in Q40 - 4/18/2007 11:16:44 PM   
daven



Posts: 6891
Joined: 12/7/2001
From: Andover, MN, USA
Status: offline 		Can I answer #3 in Lyles own words?

Put the servo tray as far back as you can in the saddle, put the tank in the nose, and the receiver and battery between the tank and the tray.

There, you just balanced it!

He may have specific C.G.s, but thats how I've test flown all mine without issue.

_____________________________

Dave Norman

klasskote.com
supertrc.com

(in reply to DHG)
       Post #: 3

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