[NSRCA-discussion] JR DSM glitch - trouble-shooting.

[colin chariandy]

No, I had the canopy on at the time. However, when I switch the Tx off my throttle runs to the fully closed position. I think the engine would have shut down if I lost signal.
 
Colin.

--- On Sat, 4/25/09, John Konneker <jlkonn at hotmail.com> wrote:


From: John Konneker <jlkonn at hotmail.com>
Subject: Re: [NSRCA-discussion] JR DSM glitch - trouble-shooting.
To: "Discussion List" <nsrca-discussion at lists.nsrca.org>
Received: Saturday, April 25, 2009, 7:41 PM




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Colin,
Did you happen to notice if your Rx/Satellite lights were flashing?
JLK
 


Date: Sat, 25 Apr 2009 16:37:50 -0700
From: cchariandy at yahoo.ca
To: nsrca-discussion at lists.nsrca.org
Subject: Re: [NSRCA-discussion] JR DSM glitch - trouble-shooting.





Accidentaly sent before completed. See below.

--- On Sat, 4/25/09, cchariandy at yahoo.ca <cchariandy at yahoo.ca> wrote:


From: cchariandy at yahoo.ca <cchariandy at yahoo.ca>
Subject: [NSRCA-discussion] JR DSM glitch - trouble-shooting.
To: "NSRCA Mailing List" <nsrca-discussion at lists.nsrca.org>
Received: Saturday, April 25, 2009, 7:30 PM








I had a close call today with my R921 Rx in an Integral.
 
I noticed on taxi out that the engine rev'd up and quickly back down without any command. At first I thought I must have bumped the stick by accident. Then just before take-off there was no responce from the throttle for a second or two then it was back. I thought the 170 may have loaded up a little and didnt respond. It did that one more time before I aborted the flight. However, I could'nt reproduce the problem in the pits.
 
Before powering down, I checked for holds or fades on the data logger - nil.
 
Battery voltage droped from 8.2V to 7.8V and 7.6 under 1A load. When I re-charged it took 350mA and I was only on for 3-4 mins.
 
Now...I did accidentally run the battery down to like 5V during winter but it did eventually recharge.
 
I'm using a Jaccio perfect switch/6V regulator, Jaccio 2000mAHr (1 season old)
 
I think the Rx momentarily lost power. I'm sure if I change the Rx pack and the regulator.
 
Does anyone know if this regulator can fail and interupt the supply then recover? Any explanation for the relatively high current consumption...maybe a regulator issue...high Vdrop/RDSon?
 
Colin.
 


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