Viper fuse stress?? where is it??  
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All Forums >> RC Airplanes >> Pylon Universe - RC Pylon Racing >> Q-500 Racing >> Viper fuse stress?? where is it?? Page: [1]

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Viper fuse stress?? where is it?? - 3/2/2002 1:42:01 PM   
raskco


 

Posts: 107
Joined: 3/2/2002
From: canada, Niagara Falls Ontario
Status: offline 		Can any one please tell me where the most stress is on a viper type plane. Would it be the tail section or where the wing mounts.???? And If I was to make my own pylon plane would a round fuse be faster then a square one??? Thanks... L8ER
       Post #: 1

Viper fuse stress?? where is it?? - 3/2/2002 4:29:17 PM   
Ed Smith


 

Posts: 2875
Joined: 12/29/2001
From: Brantford, ON, CANADA
Status: offline 		I cannot help you with the stress question. The viper and similar designs have been around for many years and, properly built, seem to hang together OK.

If you intend to race your own design in rule book events then a round fuselage is not allowed. A Quicky fuselage cross section has to be square or rectangular with max 1/4" corner rads.

Ed S

(in reply to raskco)
       Post #: 2

Q500 Dimensions - 3/2/2002 9:48:36 PM   
Bill Vargas



Posts: 1572
Joined: 1/6/2002
From: Team Coldies, CA, USA
Status: offline 		Raskco, dimensions for a Q500 plane can be found at the AMA website,,, [url]www.modelaircraft.org/templates/ama/PDF-files/Rulebook/rc-pylon.PDF[/url]
My answer for your stress question would be,,, the fuselage area just behind the firewall.

BV

_____________________________

If it ain't leaking oil, then something's wrong,,, USMC, RETIRED!

(in reply to raskco)
       Post #: 3

Viper fuse stress?? where is it?? - 3/3/2002 11:50:11 PM   
raskco


 

Posts: 107
Joined: 3/2/2002
From: canada, Niagara Falls Ontario
Status: offline 		thanks for the replies... I think I.m gonna put a thin layer of ply from the firewall to just behind the wing section.....

(in reply to raskco)
       Post #: 4

Reinforcement to Fuse. - 3/4/2002 12:13:17 AM   
Scorpionjack



Posts: 656
Joined: 12/3/2001
From: Minot, ND, USA
Status: offline 		raskco;
When designing and building Q-500's I try to maintain strength as well as lightness.
If say I use 1/8th Balsa sides I use a piece of Fiberglass Drywall tape which has a light tack to it. This enable's me to run it 1/4" to the inside of the firwall all the way to the tailfeathers. With a very thin coat of 30-45 min Epoxy, this method can give you a very strong fuse. At the same time your constructing the fuse you can fuel proof the Tank area.

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(in reply to raskco)
       Post #: 5

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