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12FG Programing Question

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Old 10-11-2008 | 01:26 PM
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From: spring valley , CA
Default 12FG Programing Question

Hi..I'm trying to set the "throttle cut" feature to work. I understand how to navigate to the correct menu. I also understand how to change the parameters in the menus when I get there. What I don't understand is how the throttle cut is supposed to work??? I mean once activated it seems not to have any affect on the throttle servo. Trying to figure this out has caused me brain damage!!
I'm not that stupid but trying to figure this out makes me feel really DUMB

Can you give me some idea of how to set this feature up???


Also.. want to add a bit of rudder on take off to compensate for the huge torque value of my engine. How would I do this and assign it to a switch so that I can turn it off once in the air???.

Thanks so much
Old 10-15-2008 | 01:46 PM
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Bax
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Default RE: 12FG Programing Question

The Throttle Cut feature operates once the throttle is lowered below about 25% throttle. You go into the function, turn it from "inhibit" to either "on" or "off", depending upon the switch set. It defaults to the spring-loaded trainer switch, so you'd usually get "off" as the setting.
Cursor to the "Cut Position" and set it. If you look to the right of the screen, you'll see the display. The little arrow will move down to the low-throttle position when you move the throttle stick to the low throttle position. Pull the switch, and the arrow moves to the position you've set in the "cut position" window. Low throttle defaults to 17% of regular movement, so a cut position would be less than 17%, as your engine's carburetor requires.

If you want rudder mixed with throttle, then use a pmix. Throttle as master, rudder as slave, and adjust the AFR of the mix. Set the mode to "Point" and then set the points you need to get the amount of rudder per throttle position.

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