Questions tagged [engineering]

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5
votes
1answer
181 views

The Fokker Universal has a crank you have to spin rapidly upon startup. What is it?

The Fokker Universal is one of my favorite aircraft. There is only one complete representation of it in existence at a museum in Canada. A video series I saw on YouTube tells the story of its ...
0
votes
0answers
75 views

How to calculate lift coefficient using pressure distribution?

Above is the image of the question I want to ask. Please clarify on how the pressure coefficients of the upper and lower surfaces of an airfoil can be used, also if there is a set equation to ...
1
vote
2answers
236 views

Why are liquids for cooling not allowed when drilling on CFRP/Al or CFRP/Ti stacks for aeroplane wings?

I recently did some research on the effect of cooling on CFRP/Al7075 drilling. 7075 is used for aeroplane main wing upper skin, and the plates need to be overlayed and drilled for flush riveting. But ...
0
votes
0answers
44 views

Under what engine conditions is glide performance typically determined in performance charts?

The performance section of an information manual I am using states that the glide range indicated is "power off". Does this terminology definitely imply that the engine is not firing? or ...
0
votes
1answer
80 views

How can I be US aircraft maintenance technician?

I have only an airframe-related experience of 8 years without a license, but have logbook, my US citizenship in process, and want to become an aircraft technician. How can I become a US aircraft ...
7
votes
1answer
1k views

Could an F-35 really be 3% rare-earth?

The Financial Times' China targets rare earth export curbs to hobble US defence industry states: Fighter jets such as the F-35, a Lockheed Martin aircraft, rely heavily on rare earths for critical ...
0
votes
1answer
82 views

Sustainable aircraft technologies

I'm a student starting a research project on sustainable aircraft technologies. I've been particularly interested by distributed electric propulsion (DEP), which is currently being tested by NASA with ...
1
vote
1answer
90 views

Deicing Rod for Propellers

Similar to a card hitting the spokes of a bicycle, the card is soft enough to knock the dust off the spokes with no damage. What material would be best to impede the propellers to chip off the ice. ...
1
vote
0answers
68 views

Do modern aircraft still use load bearing ribs in wing construction?

Modern aircraft are generally of monocoque construction. Does this apply only to the fuselage, or are modern wings made without load bearing ribs as well? Are they just for shaping of the metal skin?
34
votes
1answer
4k views

How does a towed banner maintain a steady tilt?

Today a small airplane is towing an advertising banner, about 20 by 30 feet, in a circular path around my town's university campus. The banner stays tilted about 45 degrees to make it easier to read ...
1
vote
1answer
115 views

How does one specialize in a certain sub-field of aerospace engineering? [closed]

I want to become an aerospace engineering but want to be specialized in Aerodynamics. How do I do this in college?
5
votes
2answers
358 views

What is the difference between Mechanical Engineer and Aerospace Engineer?

I really want to get into the Aerospace Engineer industry (I want to design the plane's airframe and basically a little bit of everything) but have no idea what to major in for any job. I'm really ...