[NSRCA-discussion] Radio Issue

[Jon Lowe]

It is very common for the 10x battery cassette to move slightly and 
momentarily disconnect, or increase resistance causing a brownout or 
reboot of the transmitter.  The battery door latch loosens with time, 
and the rubber strip inside the battery compartment either compresses 
or falls out with age.  I know of one case where the battery fell 
completely out of the transmitter, crashing the plane, and I had one 
fall halfway out on the bench.  The cassette doesn't have to move very 
far for it to lose connection.

Make sure the battery cassette is a very tight fit in its compartment.  
If you can tap on the back of the transmitter with the battery cover 
open and have the cassette move at all, it is too loose!  You can use a 
piece of thin rubber weatherstrip with adhesive backing on one side to 
compress between the cassette and its compartment.  The cassette should 
be a very tight fit, and somewhat difficult to remove.  You can also 
carefully rebend the latch on the battery compartment cover with a 
judicious use of a heat gun and a little patience.  Probably the best 
solution is to drill a small hole thru the bottom of the transmitter 
case and thru the latch tab, and secure it with a small sheet metal 
screw.


Jon Lowe


-----Original Message-----
From: Snaproll4 at aol.com
To: nsrca-discussion at lists.nsrca.org
Sent: Sat, Jun 13, 2009 12:57 pm
Subject: [NSRCA-discussion] Radio Issue

=0
D












Hi Everyone,


 


        I have a serious problem with my
radio and I was wondering if anyone has any experience with this.


 


 


        I have a JR 10X that has
performed flawlessly for 8 years.  It is 72mhz with a top JR receiver.
Today while flying it went into failsafe mode twice.  It only faded for 
a
split second and then came back. It never lost battery power, so I 
reasoned that
it 's not the battery, voltage reg or switch. I assume it must be the
transmitter, receiver or antennae.  I can put another receiver in it, 
but
the only way to test is to put the plane in the air.


 


        How would I know if it is the
transmitter?  BTW, range checking on the ground with the motor running
turned up nothing.


 


 


TIA, Steve


 


            



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