[NSRCA-discussion] interference/power failure

[jfgreen]

Thanks guys for the help.  And Rex, I do have a large vise, never thought of
punishing RX’s though , just been using it to make Oysters scream.  Jerry

 

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From: nsrca-discussion-bounces at lists.nsrca.org
[mailto:nsrca-discussion-bounces at lists.nsrca.org] On Behalf Of Ron Lockhart
Sent: Monday, February 19, 2007 5:13 PM
To: NSRCA Mailing List
Subject: Re: [NSRCA-discussion] interference/power failure

 

I prefer minimum metal parallel to antenna.  So I use kevlar pull-pull
cables.  That said, this 

description of behavior isn't typical of the erratic behavior of a PPM
receiver being hit by 

interference from parallel metal, external RF or whatever.  

The behavior you describe is certainly consistent with power failure.
Battery, switch, or connectors

in that path.  A possible response is two batteries, thru two switches, with
two lines to RX.

 

Later,  Ron Lockhart

----- Original Message ----- 

From: HYPERLINK "mailto:jf217green at cmc.net"jfgreen 

To: HYPERLINK "mailto:nsrca-discussion at lists.nsrca.org"'NSRCA Mailing List' 

Sent: Monday, February 19, 2007 7:43 PM

Subject: Re: [NSRCA-discussion] interference

 

Keith,  No need to have used a hammer on that RX it was obliterated when I
scooped the two garbage bags full of debris.  I immediately sent the JR 10X
to Tony and ordered a dual conversion RX w/ full explanation of the event.
Jaccio switch, parsons clips and a two year old Duralite battery.  Not
glitch before the crash.  It acted like a battery died.  Went into first
loop of Cuban eight.  Loop opened up (blowback) slow rolled over and dove
in.  No control on sticks, throttle stayed where it was at beginning of
maneuver.  THX Jerry

 


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From: nsrca-discussion-bounces at lists.nsrca.org
[mailto:nsrca-discussion-bounces at lists.nsrca.org] On Behalf Of Keith Black
Sent: Monday, February 19, 2007 4:27 PM
To: NSRCA Mailing List
Subject: Re: [NSRCA-discussion] interference

 

Jerry,

 

I've personally had no problem with steel pull-pull cables, however, I've
also been careful to keep the antenna away from the pull-pull cables by
several inches.

 

Do you understand what occurred with your last incident?  I've heard of
people losing  their replacement plane because they didn't realize they had
either a bad TX or bad RX and they used them in the replacement plane.
Therefore, if I were you I'd focus on making 100% SURE that none of the
components used before (that you plan to use again, including TX) are
faulty. 

 

I'm not quite this hard core, but Earl Haury once told me that when he has a
crash he takes the RX home and introduces it to his hammer. This would
certainly prevent any problems with the RX (either causing the crash or
caused by the crash) from downing any future planes. 

 

Keith Black

----- Original Message ----- 

From: HYPERLINK "mailto:jf217green at cmc.net"jfgreen 

To: HYPERLINK "mailto:nsrca-discussion at lists.nsrca.org"'NSRCA Mailing List' 

Sent: Monday, February 19, 2007 5:46 PM

Subject: [NSRCA-discussion] interference

 

In an effort to avoid turning my new pattern ship into a dirt seeking comet
similar to my last Oly, I’ve been researching some possible causes,  I
recently read from one source that one would or could have interference
problems if when using steel pull-pull cables and installing the antenna
parallel to them inside the fuse.  I have seen a number of AC at contests
w/this configuration that seem to have no interference problems.  Your
experience, thoughts please.  THX - Jerry

 

 

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