Supporting Snakes

  • Dean M
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23 May 2012 01:39 #1 by Dean M
Supporting Snakes was created by Dean M
Hello,
Just fitted the servo tray in my four star 60, had to fit it quite far forward as the plane is tail heavy.
The distance between the servos and the first bulkhead to support the snakes is about 6" is this to far? should I glue in some kind of support closer to the servos?

Dean

Somebody called me 'pretentious' the other day.

I nearly choked on my latte.

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  • Garry Pollard
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23 May 2012 02:07 #2 by Garry Pollard
Replied by Garry Pollard on topic Re: Supporting Snakes
Better to be safe than sorry Dean, and if it is easy to do , go ahead.

Garry

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23 May 2012 02:08 - 23 May 2012 02:09 #3 by Eric
Replied by Eric on topic Re: Supporting Snakes
As Garry said. :) Secure it as close to the end of the outer as you can, otherwise it can bend under the air pressure when flying, and then somebody will be shouting that they've lost control!:ohmy: :pinch:

if you are calm and collected when all about you are going berserk - you've missed something important!
Last edit: 23 May 2012 02:09 by Eric. Reason: typo

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23 May 2012 08:14 #4 by Grumpy42
Replied by Grumpy42 on topic Re: Supporting Snakes
Dean - it's also important to secure the snake at intervals inside the fuselage - the longer the snake the more it needs to be supported. A snake secured only at each end will still produce control surface problems.

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  • Dean M
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24 May 2012 16:25 #5 by Dean M
Replied by Dean M on topic Re: Supporting Snakes
Thank you

I have now fitted a support closer to the servos (took all of 2 minutes :whistle: )

The snakes are glued at every bulkhead so supported the whole length.

Dean

Somebody called me 'pretentious' the other day.

I nearly choked on my latte.

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24 May 2012 16:27 #6 by Ex-Member
Replied by Ex-Member on topic Re: Supporting Snakes
good one sir. :cheer:

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  • Garry Pollard
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24 May 2012 19:12 #7 by Garry Pollard
Replied by Garry Pollard on topic Re: Supporting Snakes
Then you have no worries with that type of installation Dean

Garry

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24 May 2012 20:30 #8 by Eric
Replied by Eric on topic Re: Supporting Snakes
I hope you've glued the outers, and not the inners, to the bulkheads! :P

if you are calm and collected when all about you are going berserk - you've missed something important!

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26 May 2012 14:14 #9 by Dean M
Replied by Dean M on topic Re: Supporting Snakes
Kept the inners well away until the glue had dried!!!!

Just another daft question, I am using some Sullivan gold snakes so they have an adjustable clevis on each end so to me in theory the inner snake could rotate and alter the length even to a point of winding out the clevis in flight.

Is there an answer to stop this happening? I did think of putting a blob of solder on the servo end clevis, just worried i might melt the snake with the heat.

Dean

Somebody called me 'pretentious' the other day.

I nearly choked on my latte.

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  • Garry Pollard
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26 May 2012 18:55 #10 by Garry Pollard
Replied by Garry Pollard on topic Re: Supporting Snakes
Not a daft question at all Dean. Two solutions come to mind, and I have used both.

1 there are small nuts that fit the threaded rod, but they are fiddley, and you can put two of them on one end and lock them together.

2 Get the adjustment as close as you can, then uncouple both ends, pull the snake towards the rear, and put a SPOT of locktite to secure the clevis at the rear, then wipe it off so it cant get anywhere near the outer

3 Yes I know I said 2, but there is another one. Used plastic clevises, but if you do a sliver of fuel tubing to act as a keeper is advised. T use a keeper on ALL clevises, plastic or metal. Belt and braces perhaps

Garry

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