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Old 04-01-2008, 03:18 AM
Olli-Matti is offline
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Gettin' Lower!
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Model Airplane restraint

Hi there!

Anyone have any experience with this product: http://www.jlproducts.net/ProductTailTrap.html ?

It is the only tail trap system I could find with google. Is there any equivalent products you guys could recommend? I would like to know of easy to use and safe systems for holding down a gasser with da50.

Br
Olli
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Old 04-01-2008, 11:27 AM
Mike Anderson is offline
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Ottawa Ontario Canada
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Re: Model Airplane restraint

There's another type of restraing I've seen around that is essentially two "spikes" you push into the ground. They're covered in foam "pool noodles" and you rest the wing leading edge against them to start & run up the engine.

What are those things called & who makes them?
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Old 04-01-2008, 11:35 AM
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Re: Model Airplane restraint

Mike i make those myself out of supplies from Lowes or Home Depot. I also drive 1.25" pvc pipe into the ground and then insert 1" pvc into those with that same green foam around the 1" PCV works like a charm (@ the flying fields only). I use the spiked ones for around the house to set up a new bird throttle and things of that nature.
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Old 04-01-2008, 03:35 PM
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Re: Model Airplane restraint

This is available from Midwest Products:
http://www.midwestproducts.com/item_...asp?item_id=56
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Old 04-01-2008, 04:50 PM
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Re: Model Airplane restraint

Quote:
Originally Posted by Dan767 View Post
This is available from Midwest Products:
http://www.midwestproducts.com/item_...asp?item_id=56
This is like the one I make. I use copper water pipe and solder it together and add the foam. Works Great.
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Old 04-01-2008, 04:57 PM
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Re: Model Airplane restraint

I made my own--the uprights fall down flat on the ground when you pull the tail back a few inches.
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Old 04-01-2008, 05:35 PM
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United States, TX, Killeen
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Re: Model Airplane restraint

I have been thinking about getting back into the business of producing, marketing and selling my restraint that I had available back in 2001.

Cost is $25

Will restrain aircraft up to and beyond DA150 powered.

Two versions available, one for planes with flying wires on the tail, one for planes without.

It is too simple to post my design. If I did, everyone would make their own and I'd never make any money.

Jon
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Old 04-01-2008, 05:41 PM
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Re: Model Airplane restraint

Quote:
Originally Posted by Olli-Matti View Post
Hi there!

Anyone have any experience with this product: http://www.jlproducts.net/ProductTailTrap.html ?

It is the only tail trap system I could find with google. Is there any equivalent products you guys could recommend? I would like to know of easy to use and safe systems for holding down a gasser with da50.

Br
Olli
Hi, I have owned one of JL for about 3 years now, I use it with 27% DA50 and 35% DA100, and I think it's very good craft man and very secure I highly recommend it.
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Old 04-01-2008, 06:56 PM
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Re: Model Airplane restraint

http://www.valleyviewrc.com/Airplane%20Holder.htm
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Old 04-01-2008, 07:17 PM
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Re: Model Airplane restraint

Here is something I just copied and Welded myself a very solid restraint. 1/2 rod with welded foot posts and hand support. Covered with a pool noodle. A lot of GS use this style in my area.
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Old 04-01-2008, 08:37 PM
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Re: Model Airplane restraint

I use this one with good results: http://www.rcuniverse.com/market/item.cfm?itemId=378450

However, the very best airplane restraint is a flying buddy!
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Old 04-02-2008, 02:10 AM
Olli-Matti is offline
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Gettin' Lower!
Helsinki, FINLAND
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Re: Model Airplane restraint

I agree the best restraint is a buddy! But this is for those days when you are alone at the field. I used to start the DA without any restraint but wont be doing that no more after it bit me in the hand last sunday.

We were thinking with my dad that we would also make a restraint system. Something like Don's hobby shop plane restraint that collapses to the sides after releasing it.

I'm thinking it could help in an unlikely event of engine starting backwards also, but the main point is for it to restrain the ac when starting and then easy release for a flight.

JL tail trap seems to be a good option also, if going with something that can be bought.

Anyone using Dons plane restraint? How is the locking mechanism done in that?


-Olli-
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Old 04-02-2008, 06:02 PM
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Re: Model Airplane restraint

I am thinking more along the lines of a hunk or rebar driven into the ground with a piece of rope tied to it and the plane.

To me (and this is only my opinion, mind you) all of these things are too expensive for what they are.
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Old 04-02-2008, 09:24 PM
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Stabs are strong enough?

Since almost allof the restraints revealed so fare, hold the stab and since almost no one is warning of dire consequences of pulling 30 or more pounds of thrust by the stab, I take it that, in general stabs are able to handle it no problem?
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Old 04-02-2008, 09:51 PM
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United States, OH, Lebanon
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Re: Model Airplane restraint

That is where 90% of folks stand when we start planes......infront of the stabs.

Of course most of us are not sitting there at full throttle for more than a few seconds to clean out the motor then we are off to fly.
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