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Old Jun 14, 2002, 07:21 PM
mike93 is offline
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Santa Barbara/Roseville, California
Joined Dec 2001
310 Posts
PLEASE Help me with my zero throttle response on my radio!!! (Please read)

O.K., I have a conversion American Airlines plane that I am builing. 2x EDF-50 in parallel, worked before, now zero throttle respones.


Bench Testing with ICS-50(Checked to see if it was toasted because of amp draw, not the problem, works on mini max with different radio)

Futaba 4channel Skysport Radio
T, E,R A:everything works except the throttle. I have zero response with the above radio, even after checking other crystals. I then tried Futaba radio in the mini max with the same ESC as above and again same response NO THROTTLE. Tried out my Hi-tec Focus III radio with same ESC in the mini max and it worked!! Then I tried one EDF-50 with Hitec 3 channel radio with same (ICS-50) ESC, and that worked perfect.
I then tested the Futaba Radio with the same ESC, in the same setup as the Focus III: No throttle response, but servo control is good. I had both motors working fine earlier, and then ran out of battery power, thought that I burned up the ESC, but it still works.

Is it possible to damage the radio in any way?? I tried another servo on the rudder/Throttle stick on the Futaba radio, and again no throttle, but rudder control worked.

I am running out of possibilities, please help me because I don't have to tools or the experience neccessary to figure this out on my own.

Thank you for your help,

Michael Arnoult
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