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HomeAircraftHelicopterMain Discussion › How do you use the crimp tool for the servo wires?
02-07-2006 11:09 PM  12 years agoPost 1
gkoutsis

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Athens Greece

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How do you place the pin in the tool? Which way?

I did a couple and although they seem to have a good grip of the wire, they are badly twisted and ugly.

Whats the proper way to do it?

George

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02-07-2006 11:20 PM  12 years agoPost 2
GURUMODS

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Poughkeepsie,New York

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I have had better luck if i used needle nose pliers and lightly bent the tabs in to get them started in the right direction.
I will even fold the tabs down almost all the way and then i will use the crimp tool.I have never been able to just use the crimp tool only.GOOD LUCK

Hooters in gallery

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02-07-2006 11:31 PM  12 years agoPost 3
ESWLFSE

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Liberty Hill, TX

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Strip slightly more wire than the length of the innermost crimp tabs. The crimp tool should have a "w" shape on one end and the open end of the tabs goes in that side. The tabs need to be parallel or slightly closed and definitely not spread open at all. Insert the stripped portion of the wire, crimp that, then crimp the insulated portion.

Also make sure you crimp the terminals onto the wires in the correct orientation so that all three can be inserted into the plug without having to twist them at all.

The tool I use is made by Amp Inc.

http://hep.ucsb.edu/people/sburke/AmpChamp.pdf

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02-07-2006 11:57 PM  12 years agoPost 4
Yug

rrMaster

UK. Herts

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I don't trust crimps as I've had crimps separate. Just fold and solder at the crimp bit. I fold the upper fingers round the insilation to provide strain relief and flaxability. Never had a failure.

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02-08-2006 01:30 AM  12 years agoPost 5
Irish886

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coventry RI

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Where do you get the connectors??
Hi
THat looks like a JR connector where do you get the connector and pins??

Irish

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02-08-2006 02:06 AM  12 years agoPost 6
red_sash

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Canberra, Australia

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You need a different crimper. Tandy (RadioShack) has them, and as I go to lunch I'll get you the name and item number.

Back soon.

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02-08-2006 05:12 AM  12 years agoPost 7
DrDan

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Potosi, Missouri

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Irish886

I just ordered some from here:

http://www.rc-dymond.com/


The set comes with 10 housing's and 30 connectors.

Note: If you want to redo the servo wires, you'll need the male set.


Dr. Dan

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02-08-2006 07:11 AM  12 years agoPost 8
jtech

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Las Vegas, NV

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That tool will not crimp the contacts properly; the tool anvils are not the correct shape. To get a factory like crimp, a $200 - $400 tool is required. The correct tool has the die seperated into two anvils, one to crimp the conductor part of the wire and the other to crimp the insulation portion of the wire.

The R.S. tool does not roll or form the contact onto the wire, it simply crushes the contact onto the wire. If you wish to use that R.S. tool, I would lightly tin the conductor wire with solder, crimp the contact onto the wire, then quickly and lightly solder the contact again; be careful not to get too much solder on the contact as it may not fit into the conector housing.

Jim

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02-08-2006 07:29 AM  12 years agoPost 9
spritefiend

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Camarillo, CA

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this is crazy.. i just got one of these in the mail too and have no idea how to use it

cool thread, perfect timing.

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02-08-2006 08:32 AM  12 years agoPost 10
richie1967_uk

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London UK

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I use that tool and it works just fine. No instruction tho so this is what i do....On the connectors there are two areas that need to be crimped. Do each of theses seperately. The area in the middle is to crimp the area of stripped wire and the area at the end is to crimp and grip on the unstripped area. Cut and strip your wire accordingly. Firstly place the wire in the connector and then the connector in the tool. I crimp the stripped part first. The connector should be placed so that the open part is facing the slot, and the prong pushes on the falt back of the connector. Use the smaller slot for the stripped are crimp and the larger hole for the crimp that holds the wire. It is very fiddly but it does work. Points to look out for are that when you crimp each part seperately the connector is exactly in the tool right or you will damage the other crimp area. Also cut your wires carefull so they are exactly the same length and place them in the connector exactly the same. Lastly you need to make sure that the connectors are crimped facing the same way, they have to go in the balck plug in the correct order and with the little clip facing a certain way. You will not be able to twist the wire once it is crimped. It does a good job, you just need to be carefull. Hope this makes some sense and helps!!

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02-08-2006 08:44 AM  12 years agoPost 11
jtech

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Las Vegas, NV

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Unless you can crimp the servo wires correctly, and with the correct tool, just keep them too long and tie them up! That should be way better than having an intermittant connection!

Jim

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02-08-2006 09:14 AM  12 years agoPost 12
chuckhager

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Clovis, CA

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I have a very similar tool as pictured in the first post above. I found the tool was too wide to crimp the small ends correctly without crushing the pin. If you'll notice, the jaw of the tool is made up of two halves riveted together. I simply removed one of the jaws and now it is the perfect width. Making perfect crimps does take some practice. Or at least it did for me.

Chuck Hager

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02-08-2006 09:40 AM  12 years agoPost 13
gkoutsis

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Athens Greece

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This tool is from http://www.rc-dymond.com/

Although it provides a good grip, I think its better to solder the wire on the pin and then close it with some needle nose pliers.

George

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02-08-2006 12:32 PM  12 years agoPost 14
Toolman

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London

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There is a tutorial on the Ashtek Electronics site here

Tim.

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02-08-2006 01:25 PM  12 years agoPost 15
gkoutsis

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Athens Greece

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Excellent writeup! Thanks for the link Toolman!

George

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02-08-2006 01:35 PM  12 years agoPost 16
Heli88

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Clarkston, MI

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Thanks Toolman...I just ordered one!

For those that think solder is the best solution...full scale aircraft use crimped connectors, not soldered.

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02-08-2006 01:39 PM  12 years agoPost 17
gkoutsis

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Athens Greece

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Why not have both. Solder them and then crimp them. Solder is soft enough to bend.

George

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02-08-2006 02:15 PM  12 years agoPost 18
DrDan

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Potosi, Missouri

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GK...

With that tool, I take a small nail, or you can use a big needle, and stick it where the wire is to be crimped. Using a pair of needle nose pliers, I bend the tabs around the nail slightly. This allows the tabs to start in the direction they should be going. If you crimp them now with the wire in, they will do really well.

I also use a slight bit of solder for good measure. To do this, I take my small wire clippers and cut a very small bit (about .5mm) of solder off and place it on the crimp. I then use a pin torch to heat it up and melt it into the crimp. If you cut a small peice of solder before hand, it will help prevent you from applying too much. I use a torch because it's faster, but an iron will do the job also.

Dr. Dan

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02-08-2006 02:35 PM  12 years agoPost 19
gkoutsis

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Athens Greece

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I am going to do my T-rex wires tonight after work.

Wish me luck!

Thanks for the hints Dan.

George

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02-08-2006 02:56 PM  12 years agoPost 20
alvinrc

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Mobile, AL, USA

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Just Crimping is better than soldering or crimping/soldering in this regard.
The solder probably will wick a certain distance up the stranded wire from solder joint. Any flex at this wicked to not wicked interface, will soon result in wire breakage. Unless you use heat shrink to vastly reduce the flex and flex arc.

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HomeAircraftHelicopterMain Discussion › How do you use the crimp tool for the servo wires?
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