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HelicopterMain Discussion › Heat Shrink Technique
12-11-2004 05:29 PM  13 years agoPost 1
hingus2000

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West Midlands UK Posts: 75069

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hi

several soldered joints on my heli need heat shrinking, but unfortunatley, i forgot to put the heat shrink on first. I do not want to unsolder them because some of them were tricky jobs,

therefore, how can i get heat shrink tube onto the connections? i have tried cutting it down the middle and opening it then closing it on, but when i shrink it, it doesnt shrink well because of the cut and therefore just falls off.

is there anyway i can still get the connections heat shrinked?

thanks

Tom

T-Rex SA, Anodized Head, Gy240, 3s TP 2100mah, Align 35A ESC, 430L Motor

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12-11-2004 05:35 PM  13 years agoPost 2
z11355

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New England

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some random thoughts.......


1. try to find and use 'liquid tape' which is basically
a brush-on vulcanizing rubbery type material

2. get some sensorsafe RTV, put a sleeve of
oversize heatshrink around the joint and squirt
in the RTV until the sleeve is filled. Let dry,
remove sleeve

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12-11-2004 05:35 PM  13 years agoPost 3
Crusty

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that would be a great trick

I am dsylexia of borg..resistance is fruity...your arse will be laminated

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12-11-2004 05:38 PM  13 years agoPost 4
Clayman

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What u can also do is slit the shrink tubing and put it over the wire and then reconnect it with CA works very well. Then shrink as normal.

If U Don't Fly U Don't Try

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12-11-2004 07:07 PM  13 years agoPost 5
wolfdad

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Southern Maryland

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Guys,
Not intended to offen, however none of these are workable solutions, especially on a heli. The inherent vibration regardless of how well it is built or balanced is not going to wait long before any portion of the brush-on insulation wears through and either causes a failure or glitches. The CA idea just won't work.

The correct solution is, unfortunately, unsolder the joint and redo the job with the heat shrink in place. If the soldering job is in that difficult a location, you already have some other problems to contend with. First of all, can you make it easier to get to by some limited disassembly or by extending the wires? If it is that difficult to get to, your soldering job may not be the best in the world either. So, take a look at what you are working with and, as much as I agree with you on taking something apart again, think of the alternatives...potentially very expensive alternatives.

wolfdad sends...

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12-12-2004 12:48 AM  13 years agoPost 6
DJT

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You might consider heat shrink tape. http://www.hobbytool.com/index.asp?...PROD&ProdID=444
I think I've seen it at Radio Shack.

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12-12-2004 03:39 AM  13 years agoPost 7
Ted Toth

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DJT
great idea I have not seen that available retail before
Heat Shrink Tape is 1" X 35' and will shrink to approximately half of its original size. It is a great alternitive when heat shrink tubing can't be used. Must be used with open flame.
and only one dollar

.

You don't stop laughing because you grow old, you grow old because you stopped laughing.

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12-12-2004 04:29 AM  13 years agoPost 8
wolfdad

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DJT,
Nor have I. Super idea.

wolfdad sends...

"There are those who have...and, those who will" IRCHA #2117, AMA #70068, Turbine Waiver #105

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12-12-2004 04:55 AM  13 years agoPost 9
Aaron29

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..

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12-12-2004 06:12 AM  13 years agoPost 10
dkshema

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Cedar Rapids, IA

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Heat Shrink Tape....

did you read the whole thing?

"must be used with open flame"

Bite the bullet, redo your solder joints, and put the heat shrink on as you should have.

Dave

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12-12-2004 06:38 AM  13 years agoPost 11
noname

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Woodinville, WA

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dude, don't be lazy and do things right ... it will be better in the short/long term

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12-12-2004 07:14 AM  13 years agoPost 12
twinsticks

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South Jersey

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Home depot and lowes sells liquid electrical tape and they come in diferent colors

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12-12-2004 09:48 AM  13 years agoPost 13
reckless loony

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There is also self amalgamating tape (several types) which you stretch around the joint. No heat required. You can pre stretch with your fingers prior to applying so that there is no need to subject the joint to high tension. I have used the stuff on the boat since it also makes the joint water proof thus if the wires get wet no shorts. Once it sticks it needs to be cut off.

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12-12-2004 09:56 AM  13 years agoPost 14
Saint728

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Honolulu, Hawaii

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My god, how hard is it to unsolder it, put some shrink wrap on, then solder up again? Takes a couple of minutes at most. Do the job right and stop looking for the easy way out. I don't see how you forgot to put a piece of heat shrink tube on it before you finished. I could understand one side, but two sides?


Take Care,
Cheers, Patrick

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12-12-2004 02:43 PM  13 years agoPost 15
Aaron29

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USA

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..

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12-12-2004 02:52 PM  13 years agoPost 16
Crusty

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Lmao,I see you dont sit on the fence Aaron...just jump from one side to the other in a single post
just found that funny

I am dsylexia of borg..resistance is fruity...your arse will be laminated

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12-12-2004 02:54 PM  13 years agoPost 17
Aaron29

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12-12-2004 06:19 PM  13 years agoPost 18
hingus2000

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lol

ill guess ill resolder after that blistering attack

cheers for the help guys.

Tom

T-Rex SA, Anodized Head, Gy240, 3s TP 2100mah, Align 35A ESC, 430L Motor

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12-13-2004 05:56 AM  13 years agoPost 19
Ozzy Pilot

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Victoria, Australia

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Why give someone a reasonable answer to a question they may have when you can get stuck into them and feel better about yourself

Thanks to the question that was asked and some very good answers to the problem I learnt a lot about alternative products.

Anyone got a link for the "liquid electrical tape" and the "amalgamating tape"

Thanks guys

Member of Good Guy list (seller) Pg. 23. Turbines - Audile pleasuring

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12-13-2004 08:46 AM  13 years agoPost 20
reckless loony

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http://www.whitworths.com.au/main_i...tAbsolutePage=1

http://www.whitworths.com.au/main_i...tAbsolutePage=4

Also if I remember correctly (can’t find my catalogue) this mob should also have it

http://www.biasboating.com.au/index.html

Just in case you don’t like Whitworths

Both have stores throughout Australia. They both also do mail order.

The liquid tape will be the easiest to apply especially on thin wires.

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HelicopterMain Discussion › Heat Shrink Technique
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