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Old 10-27-2009, 09:07 PM
azza690 is offline
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aus
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Plane restraint

Hi guys just after some input for a decent on field plane restraint and where to get one in AUS. I have seen in the states a tail restraint that clips at the top and collapses away when you want to release it looks very good. Does anyone know of this??
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Old 10-27-2009, 09:47 PM
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Re: Plane restraint

Is this it?
http://www.jlproducts.net/ProductTailTrap.html

Another one. See under assessories.
http://www.donshobbyshop.com/

Many sizes from 30cc up to 250cc.
http://shop.jackknifemachineshop.com...1?categoryId=7
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Last edited by JoeAirPort; 10-27-2009 at 09:53 PM.
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Old 10-27-2009, 10:23 PM
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Re: Plane restraint

yeah there the ones i want but sure who would stock them here AUS????
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Old 10-27-2009, 10:35 PM
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Re: Plane restraint

Azza,
The best restraint I have seen in use is made from pvc pipe. You need two 4 foot pieces of 1.5 inch pvc drain pipe and two 1 foot pieces of pvc that will fit around the outside of the 1.5 inch. Take the two short pieces and bury them vertically in the ground about 4 feet apart, making sure the tops are even with the surface. Finally, wrap the top 3 feet of the longer pieces with foam for padding. Slide the unwrapped ends down into the pipes buried in the ground. Done!
Roll your plane's nose between the pipes. Start your engine. When you're ready, just pull the pipes out of the ground and your plane is free to go. These are easy to mow around as you can just pull the long pipes out and mow over the shorter pipes.

Good luck
gh
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Old 10-27-2009, 10:52 PM
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Re: Plane restraint

That's a top idea thanks and cheap!!
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Old 10-27-2009, 11:16 PM
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Move the rudder what way ?????
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Re: Plane restraint

Build one.
I built mine, you'll see it in the videos.

YouTube - Hangar 9 35% Extra 260 maiden flight...

YouTube - Maiden flight of my RC League Yak,...

YouTube - Prototype CRRC Pro GP50R
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Old 10-28-2009, 01:34 AM
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Re: Plane restraint

The stakes in the ground, in front of the wing work the best. You will see this done at all ASAA competitions.
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Old 10-28-2009, 02:17 AM
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Now I can see it
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Re: Plane restraint

Yep as Richo said only use wing restraints. We use concreting pegs about 3 foot long and swimming pool noodles from cheep as chips or $2 shops over the top.
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Old 10-28-2009, 04:19 AM
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Re: Plane restraint

Quote:
Originally Posted by Richo View Post
The stakes in the ground, in front of the wing work the best. You will see this done at all ASAA competitions.

Mighty fine start pegs there richo , i must say i made them myself , we just sunk some PVC into our field , no rusted out pipes , drop in some gal steel pipe with foam and your done , pullem out and u can mow your field with ease
br Rocket ......DMAC http://www.dalbymodelaeroclub.com/gallery.php our premium model field
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Old 10-28-2009, 06:14 AM
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Re: Plane restraint

And a fine job you did there Rocket!! Yours was the first photo I found. Star pickets with foam noodle is the norm, yours were a little more upmarket!!
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Old 10-28-2009, 09:10 AM
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Re: Plane restraint

Everyone,
When using stakes against your wings to restrain your plane, be very careful. Once you get some airflow over the stab, the stab will lift up. This means the nose will drop. The prop may hit the ground, and pieces may go flying.
This is not my favorite method of restraint. I'd rather restrain the stab because then it won't lift up.

Just a friendly word of caution.

Jim
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Old 10-28-2009, 03:24 PM
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Re: Plane restraint

When using these restaints, if you are to run your engine up, there is always someone standing over your tail.
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Old 10-28-2009, 04:50 PM
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Re: Plane restraint

Quote:
Originally Posted by Hammbone View Post
Everyone,
When using stakes against your wings to restrain your plane, be very careful. Once you get some airflow over the stab, the stab will lift up. This means the nose will drop. The prop may hit the ground, and pieces may go flying.
This is not my favorite method of restraint. I'd rather restrain the stab because then it won't lift up.

Just a friendly word of caution.

Jim
I have never seen this happen in the 8+ years we have been using this method. Not saying it couldn't, and as Hammbone is pointing out CAUTION is the name of the game.

Regardless of what system you are using, always have someone assist you! Things can go wrong pretty quickly, and when you least expect it.
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Old 10-29-2009, 05:52 AM
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Re: Plane restraint

I have seen that happen before too. My 50cc Ultimate used to do it if you did not hold full up elevator(may have had somehing to do with the sloped undercarriage). I just go in the habit of moving behind the prop and standing with the back of my legs resting against the leading edge of the horizontal stab, before reving the motor above a high idle.
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Old 10-29-2009, 08:41 AM
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Re: Plane restraint

I have these in stock, see picture below, they work great and are easily stored.

http://www.revoc.eu/brake-belt-p-87.html
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