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  • Member for 4 years, 4 months
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15 votes
3 answers
2k views

How much thrust is lost through a curved exhaust nozzle?

10 votes
4 answers
2k views

Are airfoil profiles patented? If not, why?

6 votes
1 answer
337 views

What factors contribute to the poor off design performance of turbofans?

4 votes
3 answers
463 views

Do turbofan nacelles generate lift?

3 votes
0 answers
653 views

Why don't private jets use higher bypass turbofans?

2 votes
2 answers
579 views

What integration of aircraft propulsion would be more efficient at sea level high speed flight? A turbofan, unducted fan or a turbojet?

2 votes
1 answer
264 views

What is the most recent turbofan engine that used steel for its bypass fan blades?

2 votes
2 answers
759 views

How does altitude affect the TAS and thrust of an electric fan powered aircraft?

2 votes
0 answers
5k views

What is the fan pressure ratio in a turbofan?

2 votes
2 answers
790 views

With supplemental oxygen, what altitude can a pilot safely operate at?

1 vote
2 answers
198 views

Would air having an infinite speed of sound be ideal?

1 vote
1 answer
787 views

How do anhedral and dihedral affect the efficiency of a wing?

0 votes
0 answers
184 views

Why does adding more blades to a propeller/fan not show a decrease in efficiency?

0 votes
1 answer
179 views

Can you augment turbofan thrust using steam injected into the bypass?

0 votes
2 answers
326 views

Can a different company manufacture an FAA approved airframe or engine?