[NSRCA-discussion] Castle ESC question - problem solved????

[John Gayer]

Mike,
What's the radio? Has it had a s/w update recently?
Would recommend that your throttle cut position is at least as low as 
the lowest setting you can acheive with idle switching and the trim 
lever.  Keep in mind that doing this may require you to toggle throttle 
cut in the event of a low voltage cutoff in order to restore throttle 
authority but you will never fail to arm when you turn on with the 
throttle cut active.
John
On 4/9/2014 3:04 PM, Michael Cohen wrote:
> OK, the problem is solved, but not the mystery behind the settings 
> change.....
>
> I have an idle down set that engages the brake on landing and a 
> throttle cut that won't let the motor respond at all until it is 
> disengaged.  These are on separate switches.  My normal start up 
> sequence is plug in, listen for the proper Castle music, turn off the 
> brake, disengage the throttle cut, spin the motor up, and take off.
>
> I put a normal servo on the throttle, replacing the ESC and tried a 
> couple of different combinations of brake and throttle cut on/off. 
>  The throttle cut position was NOT lower than the brake.  Also, the 
> brake moved more when toggled between the two positions than I thought 
> it would.  I did notice that with brake on though and throttle cut 
> off, the trim was at the lowest position.
>
> I hooked up the ESC again an plugging in the batteries with the normal 
> starting positions (brake on, throttle cut on), the ESC did not arm. 
>  I turned off the throttle cut and this time left the brake on.  The 
> trim went to the lowest position and the ESC armed.  I was able to 
> spin th motor.  The throttle cut did not stop the motor if it was 
> already spinning, although throttle did not respond.  With the brake 
> switch off, the idle was quite high.  This was not the way things were 
> at the end of the last season.  I lowered the % throw for the brake 
> and throttle cut until I got the settings where I wanted them to be 
> and all is back to "normal" now, including my start up sequence.  The 
> mystery is, why did it change in the first place?
>
> The only difference between this season and last season was I replaced 
> the airplanes battery system with a redundant one and replaced the 
> NiMh battery in the TX with a LiPo.
>
> Thoughts?
>
> Regards,
> Mike C
>
> ------------------------------------------------------------------------
> From: atwoodm at paragon-inc.com
> To: nsrca-discussion at lists.nsrca.org
> Date: Wed, 9 Apr 2014 15:59:01 -0400
> Subject: Re: [NSRCA-discussion] Castle ESC question.
>
> What he said :)
>
> Mark Atwood
> *Paragon Consulting, Inc.**|*  President
> 5885 Landerbrook Drive Suite 130, Cleveland Ohio, 44124
> Direct: 440.229.2502 *|*  Fax: 440.684.3102
> www.paragon-inc.com <http://www.paragon-inc.com/>
>
>
> On Apr 9, 2014, at 3:39 PM, David Harmon <k6xyz at sbcglobal.net 
> <mailto:k6xyz at sbcglobal.net>> wrote:
>
> Try moving the idle trim all the way down
>
> **
>
> **
>
> *David Harmon*
>
> *Sperry, OK*
>
> *From:*nsrca-discussion-bounces at lists.nsrca.org 
> <mailto:nsrca-discussion-bounces at lists.nsrca.org> 
> [mailto:nsrca-discussion-bounces at lists.nsrca.org] *On Behalf Of 
> *Michael Cohen
> *Sent:* Wednesday, April 9, 2014 2:33 PM
> *To:* NSRCA
> *Subject:* [NSRCA-discussion] Castle ESC question.
>
> I brought my airplane out of its winter hibernation today and simply 
> went to test the airplane with some new batteries.  I have not changed 
> any ESC or radio settings since the end of the last season.  When I 
> released the throttle cut/safety switch and went to spin the motor, 
> nothing happened.
>
> In more detail: I plugged in ESC and got the normal spark.  The ESC 
> played the Castle power tune, counted 10 cells, but does not play the 
> arming tune. Setting the throttle to full (with a restrained plane of 
> course) did yield additional beeps, but did not ever spin the motor. 
>  I don't see any troubleshooting on the Castle website, hence the post.
>
> If I do plug the ESC into the castle link controller to double check 
> settings, does the motor have to be unplugged?  I have shrink wrapped 
> the bullets for the motor/ESC connection together and would rather not 
> separate them.  I will remove the prop, of course.
>
> Regards,
>
> Mike Cohen
>
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