[NSRCA-discussion] Help: Servo pins pulled out of connector body
John Pavlick
jpavlick at idseng.com
Sat Mar 18 16:13:18 AKST 2006
Yes, if you use the proper tools I agree. The problem with soldering fine
wire is caused by the fact that the solder wicks into the wire. It creates a
hard spot in the wire. The wire flexes at this point and usually breaks. A
properly crimped connection is actually very reliable and the insulation
acts as a strain relief. Again, this only works if you use the proper tools
and techniques. I use a MAC tools TCT1028 for larger wires. I'm not sure
what you should use on the smaller gauge servo wires.
John Pavlick
http://www.idseng.com
-----Original Message-----
From: nsrca-discussion-bounces at lists.nsrca.org
[mailto:nsrca-discussion-bounces at lists.nsrca.org]On Behalf Of John Ferrell
Sent: Saturday, March 18, 2006 10:23 AM
To: NSRCA Mailing List
Subject: Re: [NSRCA-discussion] Help: Servo pins pulled out of connector
body
I disagree with soldering a crimp. If done properly the crimped connection
ALONE is the most reliable and durable connection.
John Ferrell
http://DixieNC.US
----- Original Message -----
From: Dennis Bodary
To: NSRCA Mailing List
Sent: Saturday, March 18, 2006 2:28 AM
Subject: Re: [NSRCA-discussion] Help: Servo pins pulled out of connector
body
Servo city sells the pins and the connectors for 75 cents to like 2
bucks depending on which ones you want. The crimpers will probably cost you
25 bucks. they are a w crimp. you do not want to use regular crimpers. After
you crimp them you will want to solder also. use the smallest diameter
solder you can find. you just need a tiny tiny amount. you won't be able to
use heat shrink due to the heat shrink not fitting in the connector.
paul <paul.horan at sbcglobal.net> wrote:
Ed,
I have not pulled the servos apart to check the gears. The reason
I think they are ok is that when the plane went in the engine was dead, the
speed was fairly low, the the smaller branches of the tree furthe! r reduced
the speed and finally the plane hit a fork that cleanly stripped the wings
away. The servos, ailerons, linkage all looked good.
Thanks,
Paul
----- Original Message -----
From: Ed Alt
To: NSRCA Mailing List
Sent: Monday, March 13, 2006 9:38 PM
Subject: Re: [NSRCA-discussion] Help: Servo pins pulled out of
connector body
Paul:
The soldering trick works fine, as long as you don't get a cold
joint. I try to avoid it only because the area near where the solder stops
wicking into the wire tends to be a point of stress concentration for the
wire strands, but as long as you extend the heat shrink about 1/4" past the
point where the wire gets 'bendy' again, it supports it and prevents the
work hardening of the wire from becoming a problem. I might be a bit
nervous about those servos though - how do the gears look? I've had
incidents where just a tiny sliver of a gear tooth was chipped away and lead
to further problems.
Ed
----- Original Message ---! --
From: paul
To: NSRCA Mailing List
Sent: Monday, March 13, 2006 10:29 PM
Subject: Re: [NSRCA-discussion] Help: Servo pins pulled out of
connector body
Ed,
Sounds like I can either get the kit and crimper from Maxx or
cut the connector ends off defunct servos / extentions and solder them to
the existing servo wires - using heat shrink to keep any flexing away from
the solder joints. Any preference ?
Thanks,
Paul
----- Original Message -----
From: Ed Alt
To: NSRCA Mailing List
Sent: Monday, March 13, 2006 9:24 PM
Subject: Re: [NSRCA-discussion] Help: Servo pins pulled out of
connector body
Paul:
Better off to replace the entire connector and pins. Most
likely the plastic housing was damaged from the pin pulling out. Also, the!
wire had to get strained where it is clasped by the crimp pins. Maxx
Products sells connector kits, but you need a crimper tool.
Ed
----- Original Message -----
From: paul
To: NSRCA Mailing List
Sent: Monday, March 13, 2006 10:13 PM
Subject: [NSRCA-discussion] Help: Servo pins pulled out of
connector body
I strained my Meridian through a tree, wrecked the plane
but the equipment appears OK with the exception of both aileron servos.
When the wings came off the servo connector body stayed in the fuse and the
servos wires and pins went with the wings.
My question is : can I simply re-insert the servo pins in
another connector body (taken from defuct servos or extentions) ?
Thanks,
Paul
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