[NSRCA-discussion] interference

[Dean Pappas]

Hi Earl,
Ah yes, the RC helicopter is a dutiful machine with a well developed sense of obligation ...
All mine would beat themselves to death as an act of contrition for the misbehavior of crashing.
 
Dean
 

Dean Pappas 
Sr. Design Engineer 
Kodeos Communications 
111 Corporate Blvd. 
South Plainfield, N.J. 07080 
(908) 222-7817 phone 
(908) 222-2392 fax 
d.pappas at kodeos.com 

-----Original Message-----
From: nsrca-discussion-bounces at lists.nsrca.org [mailto:nsrca-discussion-bounces at lists.nsrca.org]On Behalf Of Earl Haury
Sent: Tuesday, February 20, 2007 10:04 AM
To: NSRCA Mailing List
Subject: Re: [NSRCA-discussion] interference


Bob
 
I've used / recommend the throttle return spring on heli's - usually saves some parts from full throttle bashing after a crash.
 
Earl

----- Original Message ----- 
From: Bob Richards <mailto:bob at toprudder.com>  
To: NSRCA Mailing List <mailto:nsrca-discussion at lists.nsrca.org>  
Sent: Tuesday, February 20, 2007 7:19 AM
Subject: Re: [NSRCA-discussion] interference

I have thought about using a small spring on throttle, such that if the servo loses power the spring will pull the throttle back to idle. Of course, this will only work with a coreless motor servo, and the spring will cause the servo to draw current when it normally would not, but I think the advantage is obvious.
 
Bob R.


Keith Black < tkeithblack at gmail.com> wrote:

OUCH!
 
Well, assuming you had your failsafe set to kill throttle it sounds like you're probably correct that you had a power failure of some sort on the RX side.
 
Sorry to hear that.
 
Keith 
 

----- Original Message ----- 
From: jfgreen <mailto:jf217green at cmc.net>  
To: 'NSRCA Mailing List' <mailto:nsrca-discussion at lists.nsrca.org>  
Sent: Monday, February 19, 2007 6:43 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: jfgreen <mailto:jf217green at cmc.net>  
To: 'NSRCA Mailing  <mailto:nsrca-discussion at lists.nsrca.org> 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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