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throttle question

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us-washington
Where I bush fly we have these AC's that are a ibt souped up in the engines. Maybe that's the problem.

Flying a Dehaviland Otter, radial, single engine is where I notice this the most I think.

To taxi from stand still I throttle up and then back to get going as usual. Throttle now is all the way back but my speed keeps climbing even with the brakes on. It will climb to 80 knots or so until the brakes take effect, and they take effect slowly, very slowly. The only way I can get teh speed back down it to hit reverse thrust.

Also turning while taxiing could be a bit better. What in the aircraft.cfg file would I change?Bob
 
Hi,

Turboprops have normally two idle settings in the condition levers: on efor land use and another for use in flight. In the flight idle setting, the gas generator rpm are higher than in ground idle, which means that the propellers will give more thrust (in some cases, a lot more thrust). Taxiing is to be done in ground idle setting, and flight idle is to be selected just prior to takeoff.

If you try to taxi with the condition levers in flight idle, you're likely to have such effects as described (although 80 knots is a bit too much in my humble opinion).
 
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