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Exercise Answer - RPL/PPL Study Guide Volume Two

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Sofeopka created the topic: Exercise Answer - RPL/PPL Study Guide Volume Two

Greetings,

I’m referring to the exercise, Fig 1.17, bottom of page 27, RPL/PPL Study Guide Volume Two, November 2018 revision.

I think the the answer is 700 Metres, however couldn’t find the answer in the book.

I have included a picture.

Thanking you in advance and very grateful for any responses.

Bert.
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  • John.Heddles
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  • ATPL/consulting aero engineer
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John.Heddles replied the topic: Exercise Answer - RPL/PPL Study Guide Volume Two

700m sounds good.

12m obstacle requires 240m clear space to make the 5% gradient required.

With the 80m to the obstacle, we need to lose 240-80=160m from the field.

This leaves us with 860-160=700m for the takeoff calculations.

Engineering specialist in aircraft performance and weight control.
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bobtait replied the topic: Exercise Answer - RPL/PPL Study Guide Volume Two

Yes, 700m is correct. The answer was there but hidden behind the diagram. I've fixed that. Thanks for your feed-back,
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Sofeopka replied the topic: Exercise Answer - RPL/PPL Study Guide Volume Two

Thank you greatly Bob, for your kind and prompt reply.
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Sofeopka replied the topic: Exercise Answer - RPL/PPL Study Guide Volume Two

Thank you John. I appreciate you taking the time to reply.
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