Trex 450XL Pitch curve help - rec.models.rc.helicopter

Message from discussion Trex 450XL Pitch curve help

Kevin

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More options Apr 28, 5:15 pm

Newsgroups: rec.models.rc.helicopter

From: Kevin <dontemai...@ntlworld.com>

Date: Mon, 28 Apr 2008 21:15:38 GMT

Local: Mon, Apr 28 2008 5:15 pm

Subject: Re: Trex 450XL Pitch curve help

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phil...@samsat.co.za wrote:
> Thanks for your responses.
> I will get a pitch gauge.
> However I am looking for a rule of thumb.
> For the current battery problem I am facing should I leave the
> throttle curve as is and
> just increase the low value pitch to say 50 to give me more lift for
> the less throttle?

these are my setting

mine for what its worth are
throttle (not so much a curve as a dog leg)
mine 0 75 86.5 96 100
yours 0 20.5 43.0 69.5 100

pitch
mine 29.6 44 57.5 70.5 82
yours 20.5 55.5 77.0 92.5 100

I think you need to ramp the throttle up a lot quicker and get the head
speed up to 2000rpm+, and reduce the pitch, your 1/2 throttle pitch is
nearly what mine is at full ,but I only hover and do gentle circuits

I seem to remember reading that brushless motors are lot more efficient
at higher RPM's

--
Kevin R
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