[NSRCA-discussion] Electric Motor Problem

[chris moon]

Ron, I'm not familiar with the Jeti but try the lowest timing setting 
and see if that helps.  I have my outrunners set to low timing and low 
frequency.  Not the maximum power setting, but more reliable and cooler 
running. 

Chris

Ron Van Putte wrote:
> I have converted a World Models Spot-On 120 for electric-power.  The 
> motor is a Dualsky 6350 - 12T (2000 watt), swinging an APC 18x12 E 
> prop.  The speed control is a Jeti Opto 90 Advance.  Using the Jeti 
> programming card, I set the timing for OUTRUNNER, the brake for OFF, 
> the cutoff voltage to HIGH, the cutoff type to SLOW DOWN and the 
> throttle curve to LINEAR.  I am using a Futaba 9Z transmitter, with 
> the throttle throw initially set from -100% to +100% as indicated in 
> the Jeti instructions.
>
> When the throttle is advanced, RPM builds up normally, but at about 
> 60% of throttle stick position, the motor 'chatters' and I have to 
> shut it down.  If I don't do anything other than reduce the high 
> throttle in ATR from +100% to +80%, the motor comes smoothly up to 
> maximum RPM.
>
> What's going on?
>
> Ron VP
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>
>


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