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Old 05-22-2007, 02:53 PM   #1
drzoidberg
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Default Can someone please explain governor mode?

Hi all,

I was just wondering what governor mode was? I have a Trex 450SE with stock esc and governor mode off. It flies awesome as is but was wondering what governor mode was and if I need it at all.

Thanks
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Old 05-22-2007, 05:36 PM   #2
xuzme720
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short answer is it should keep the headspeed constant when you change pitch. if you want to give it a try, there is a discusion here.

Just call me X! (or Gary works, too.)
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Old 05-22-2007, 05:48 PM   #3
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Governor mode can be really nifty, as it will keep your head speed constant even in a rapid, elevator-style descent (which would normally dramatically speed up your head speed). However, the price you pay for the convenience of a consistent head speed is a loss of power, as the governor sacrifices top-end power for consistent speed under varying loads.

My governor-ed throttle curves are flat 77% and flat 85% on my T-Rex. A full-pitch (10 degree) climbout in governor mode at 77% sees no loss of head speed at all, while at 85% head speed drops about a hundred RPM on the way up. If the power seems lacking in governor mode, just go up one pinion size (11 tooth to 12 tooth, for instance) or try bumping your timing mode and throttle response from Low to High.

Align fixed a lot of things with governor mode on their more recent ESCs. It's not an amazing change, but flying in governor mode feels more consistent and also draws fewer amps over the course of the flight than my curves.

If you have good throttle and pitch curves, you won't notice much of a difference with the governor. If they were way off, you will notice a pretty enormous change in head speed variation.
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Old 05-22-2007, 11:28 PM   #4
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thanks for explaining that.
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