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David
  • Member for 7 years, 11 months
  • Last seen more than a month ago
16 votes
2 answers
22k views

What are the advantages and disadvantages of ducted fans in designs such as the Airbus E-Fan?

12 votes
1 answer
1k views

Is there a good source for estimating the per unit cost breakdown for a classic GA plane like the Cessna 172?

9 votes
2 answers
2k views

Why do fabric skin constructions not show up much in larger single engine piston aircraft?

8 votes
4 answers
10k views

Why is the fatality rate in the Diamond DA40 so remarkably lower than the SR20/22?

7 votes
2 answers
16k views

For a Part 61 IFR rating, how much can be done alone on a simulator?

7 votes
1 answer
807 views

What is the current state of regulation regarding VTOL aircraft in the LSA category?

7 votes
1 answer
261 views

Are there any future regulations planned for electric multi-motor LSAs?

7 votes
1 answer
672 views

How much energy/prop efficiency does the e-volo copter sacrifice by having a smaller propeller?

6 votes
3 answers
3k views

How does the safety record of the twin piston Diamond DA-42 compare to the single piston DA-40?

5 votes
1 answer
375 views

Has anyone compiled all the NTSB accident reports and broke down the percentages for cause of accident and fatalities?

4 votes
5 answers
336 views

Would it be possible to use 3D printed node based structures to make cheaper GA planes?

3 votes
1 answer
134 views

Statistically, how safe are para-motor craft compared to other GA planes?

3 votes
1 answer
3k views

What is the easiest way for a new private pilot to visit Manhattan?

2 votes
1 answer
165 views

Why do high altitude air-launch plane designers choose to use two fuselages?

1 vote
2 answers
2k views

Why were the specifications of the Pipistrel Panthera downgraded?

0 votes
1 answer
438 views

What are the design goals for NASA's X-57? [duplicate]

0 votes
1 answer
74 views

What are some common factors that affect GA aircraft manufacturability? [closed]

0 votes
1 answer
80 views

Besides size, what determines the cost of creating a composite structure for a single engine piston aircraft? [closed]