REFLECTOR: IVO prop Motor Current

John Dibble aminetech at bluefrog.com
Fri Feb 21 12:23:34 CST 2014


On 2/20/2014 4:39 PM, Hiroo Umeno wrote:
> For IVO prop owners out there...
> Do any of you have data on the current draw by the prop pitch adjust 
> motor?  The way it is set up, when the prop is at either end of 
> travel, the motor bottoms out and pops the CB.  I would like to 
> incorporate a little more intelligent control into my version 3 
> electrical annunciator and distributor panel such that it will sense 
> the rising current draw to determine the end of travel before the CB 
> pops.  Additionally, I can use the input from p-lead to determine 
> engine RPM and run the prop more like a CS prop.  The processor for 
> the annunciator panel has a plenty of processing power to handle extra 
> bits like this.
> Hiroo
>
Mine came with a thermistor (I think that's what it's called) which cuts 
off when the current gets high.  No circuit breaker to reset. It's 
worked great for 1200 hours.

John


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