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Keeping connectors together?

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Old 01-01-2007, 07:04 PM
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cjackgo
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Default Keeping connectors together?

I've used the baggie tie, the hot glue, the dot of CA, the electrical tape and the shrink tubing. They all seem to work well at home with connections that are done one time at home. My question is what is the best way for those connectors that are done and undone constantly? Such as the ailerons. How about the clip-on connectors?

Jack
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Old 01-01-2007, 08:50 PM
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Newc
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Default RE: Keeping connectors together?

I don't use anything for my aileron connections. Since I have plenty of slack and a tight fit I've never felt the need.
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Old 01-01-2007, 09:14 PM
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Default RE: Keeping connectors together?

the clip on stuff works ok... There is also available a locking connector. Don't know who makes them, but I've seen them before.
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Old 01-01-2007, 10:25 PM
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Default RE: Keeping connectors together?

There are two commercial types that are very good.

Ernst connectors are a flat piece of black plastic and keep the wires together. Though they are more difficult to get on and off.

Slimline makes a connector box that snaps together. Though sometimes they come undone on their own. They are quite easy to snap together once you learn the trick to them
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Old 01-01-2007, 10:48 PM
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Default RE: Keeping connectors together?

Locking connectors (Molex C-Grid) are available in sizes to fit two to 25 wires. I buy mine from Digi-key (www.digikeu.com) page 124 in the sep-dec 2006 catalog. You can also search their site, the three wire connector shells with built in latch are part numbers wm2901-nd and wm2434-nd. You will have to buy the crimp terminals listed on page 125, part numbers depend on wire size and if you want tin or gold plating and a crimp tool will be needed. I have used these connectors for years with no problems. I use the multiple pin connector to build a wire harness for connecting the wing to fuse, replaces several connectors( aileron, flaps, retract) with just one. Use the stock servo connectors on the ends of the extensions from the servo and the Molex connector at the wing center section. Stock connector at the receiver and Molex on the other end of the extension that connects to the wing.
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Old 01-02-2007, 12:08 PM
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Default RE: Keeping connectors together?

A couple companies make locking clamps that fit over the conectors. One of the guys at our field uses wide Velcro patches that seal all around the connectors and that seems simple and quick.
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Old 01-02-2007, 12:16 PM
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Default RE: Keeping connectors together?

Or you can cut em yourself out of plastic. Just cut a strip of PVC 3/8ths inch wide, drill it twice with a bit wide enough to slip the wires through and far enough apart for the slack of the connectors and cut from the side of the plastic on one side each hole. Slip the wire through the cutout, make the connection and pull out the strap. In essence, you are making homemade Earnst style connectors.


Oops, forgot this was in Tips n Techniques and not SPAD. You can make em out of coffee can lid plastic if you don't have a stack of PVC scrap hanging around.
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Old 01-04-2007, 03:11 PM
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cjackgo
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Default RE: Keeping connectors together?

Thanks guys for all the ideas. I'm going to try a couple of them and see which is best for me. Now where was that PVC I had left over from the sprinkler system I put in?

Jack
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Old 01-11-2007, 09:40 AM
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Default RE: Keeping connectors together?

Try a piece of masking tape that overlaps each side of the connection. It is easy to apply and remove and there is nothing mechanical to be done or undone. I use masking tape on all my battery connections and overlap my receiver connections. There is no mess and you don't have to be concerned about shorting any wires.
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Old 01-11-2007, 06:59 PM
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Default RE: Keeping connectors together?

I've had good luck using these. They're easy on and off, plus secure.

Jeff

[link]http://www2.towerhobbies.com/cgi-bin/wti0001p?&I=LXDT85&P=0[/link]
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Old 01-11-2007, 07:23 PM
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BillS
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Default RE: Keeping connectors together?

For connectors that are not intended to come apart each time the wing is installed heat shrink tubing works well.

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Old 01-12-2007, 12:35 PM
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Default RE: Keeping connectors together?

There's also something to be said for snipping off the female connector on the extension, cutting the servo wire and splicing the extension in with solder and heat-shring tubing.
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Old 01-13-2007, 08:52 AM
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Default RE: Keeping connectors together?

Waxed dental floss works well also...
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Old 10-13-2018, 06:12 AM
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I will not trust my plane to plug-in servo and battery connections. I build extensions by splicing in appropriate sized wire and soldering the joints, then heat shrink insulating them. then the only place there is a plug connection, is into the receiver. I see no reason to not make the servo and battery wires custom length for each individual plane. they aren't something that goes in and out of a plane all the time,....9 times out of 10, once they (the servos) are installed, they stay in the plane until they either die or the plane is crashed so why not make them specifically for the plane they are used in ?. that's the only really secure and reliable way, in my opinion. it's also a lot cheaper......even if you have to buy a small soldering iron (1st time), solder, wire and flux,.... it's still cheaper than buying a bunch of pre-made extensions.
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Old 10-16-2018, 05:35 AM
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I use dental flose to tie them together. Very cheep and works great. Two times around between the wires. Never had one come apart, even in a crash and I've had a few of them.

Skyhawk
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Old 10-16-2018, 09:04 AM
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I guess any way you do it is better than trusting the plugs to stay together. it's like having to buy insurance,.....the one time you need it, justifies all the money you spent getting it.
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