Questions tagged [airframe-and-powerplant]

Commonly called A&P, a license granted by the FAA certifying a person is qualified to perform maintenance on an aircraft.

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1answer
60 views

Can i get A&P course materials in .pdf format? [closed]

I would be very grateful if you provide me any material about A&P basic course for mechanics.
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I didn't take the A&P exam within 24months

I went to Spartan college for FAA A&P. After I graduate I didnt go and take the written, oral, and practical exam. Its been 4 years what should I do to get the license? Because as I know there’s a ...
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How long do I have after graduate to take the FAA A&P exams?

2 years ago I went to a college for FAA A&P and graduate but I didnt go and take the written, oral and practical exam. My question is there a time limit after I graduate to take those exams? And ...
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What is Snowbird flapping mechanism?

Reading this question and the great answer to it talking about Snowbird sustained human powered flight visible here, I was wondering and still cannot find nor figure out how power is converted from ...
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1answer
122 views

What priviliges and limitations does an Aircraft(General) mechanic have versus an A&P?

The FAA provides practical test standards for Airframe, Powerplant, and General mechanic certificates. Mechanics seem to demonstrate a preference for Airframe & Powerplant, so much that "A&P" ...
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2answers
197 views

Limits on piston-engine power for a given airframe?

I'm looking for an authorative textual source (and indeed any guidance would be useful) on the relationship bewteen a given airframe and the maximum power that it can realistically harness/cope with ...
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1answer
802 views

Hydromechanical/Electronic fuel control system [closed]

Can someone explain the picture below which represents hydromechanical/electronic fuel control? What's the function of the solenoid on the picture below? What are the differences between solely ...
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1answer
297 views

What would be the power requirements and performance of a Scroggs-type delta-wing aircraft with a 250 cm span?

Roy Scroggs, a tailor, patented in 1917, US1250033, and in 1932 US1848578, a Delta Wing plan form machine 'Flying Dart', flight tested with an OX-5 engine, they say ...
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1answer
438 views

Hydro-pneumatic fuel controls and hydro-mechanical fuel controls

What are the advantages and disadvantages of the hydro-pneumatic controls against the hydro-mechanical controls?
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Is it possible to swap RR trent 900 engines to GP 7200 for existing A380 air frame? [duplicate]

If an A380 was originally equiped with RR trent 900 engines, but decided to switch to GP 7200 for any reason, would this be possible? Has this kind of engine swap (different manufacturer engine swap) ...
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3answers
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Why is the available power in propeller engine is almost constant for every velocity?

I surfed on the internet for an answer but I didn't find any. I'm taking Aircraft Performance course. I saw that available power for propeller engine is almost constant for every velocity. But I don'...
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Where can one access the electrical buses in an aircraft? [closed]

I am looking at how new systems are retrofitted in aircrafts (large business jets or airliners), and I was wondering where the mechanics can get access to electrical power. More specifically, I know ...
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For pilots, are the procedures different between airframes with different engine options?

Lets use the B757 as an example. Engine options are PW2000 and the RB211. As I'm sure they are both FADEC engines we don't have to worry about and mechanical linkages and such. But each engine ...
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Is it possible to determine the mass flow rate through the engine of MiG-21 during its various cruise Mach no. operations?

Is it possible to obtain the mass flow through the Tumansky R-25 turbojet engine mounted on a MiG-21 during its various standard operating (cruise) Mach numbers? Note: standard as in older planes ...
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Is there a niche market for A&P mechanics with an aerospace engineering degree?

I've noticed a few people posting on this site who I would guess are aerospace engineers. I am an A&P Mechanic, who is currently in the process of applying to college for an aerospace engineering ...