mdnanwelch7(at)hotmail.co
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 Posted: Sun May 02, 2010 6:52 am Post subject: In-flight Electric Adjustable IvoProp |
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Kolb guys,
For those of you that have Ivo Props, and especially those of you that have them equiped with the electrical adjustment motor, the discussion came up about their control on the Aeroelectric list.
A guy that has the electric operated prop mentioned he sure would like to know when the motor is drawing it's limit of amps, BEFORE it has to pop the circuit breaker. (If you change the pitch in flight, about the only way to find out where the pitch is, is to twist the prop all the way flat, until the circuit breaker has been maxed out, and pops! Not a very good way to go!
So, after a couple of suggestions, and one preliminary design, Bob Nuchols (the Aeroelectric guru!!) came up with this design (see attahment).
Now, when a person changes pitch in flight, an electrical circuit will notify him of the increasing current draw, and light an LED at a preset current, rather than exceed this limit and pop the breaker.
Much better way to go!!
Bob included an email with his design that identified the intended parameters. If anyone is interested, let me know, and I'll copy it and send it to you.
Mike Welch
MkIII
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