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Turboboost Limits

by Steve Rennie in 912 / 914 Technical Questions 7 years ago

Is it possible to use the 5 minutes of turboboost more than once during a flight? If so, how long between activations is safe?

Re: Turboboost Limits

by Tom Delaney » 7 years ago

Tom Delaney

9 12 14

Great question! I was just wondering, as I do pattern work in my new Gyroplane, if there might be a problem with the multiple use of the turboboost.

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Re: Turboboost Limits

by Tom Delaney » 7 years ago

Tom Delaney

9 12 14

Thought I would give this thread a bump. Thanks

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Re: Turboboost Limits

by Ken Ryan » 7 years ago

Ken Ryan

28 360 928

Add me to the list of inquiring minds who would like to know what the duty cycle is for full turbo boost.

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Re: Turboboost Limits

by Rob Seaton » 7 years ago

Rob Seaton

3 1.32k 240

Yes, you can use the 5 min limit more than once.
But you have to wait 5 min after going to full throttle (the TCU has a timer, once you go to full throttle the timer starts counting down to zero, and then the red light flashes. Pull the power back and the timer start counting "up" to 5 minutes, if you go to full power before then, the light will flash)

Make sure your temps are OK before going to full power again. A good idea to have a airbox temp sensor/gage as the power will be reduced if the airbox goes over 88C.
See Heavy Maintenance Manual 76-00-00 2.1.2.2

Thank you said by: Ken Ryan,

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Re: Turboboost Limits

by Ken Ryan » 7 years ago

Ken Ryan

28 360 928

Thanks Rob.

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