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Questions tagged [electric-aircraft]

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9 votes
1 answer
2k views

Could the static charge build up during flight be sufficient to power aircraft systems?

Aircraft build up a static charge during flight which is currently discharged through static dischargers: I recently read the abstract and summary of this paper:https://www.sciencedirect.com/science/...
user1238680's user avatar
2 votes
1 answer
135 views

Why ionocrafts (ionic propelld aircrafts) don't use electromagnetism to improve performance?

Well, ionocrafts use ion wind in order to propel itself in the air, but that needs a lot of surface area in order to work. And since ionised gases can be magnetically manipulated, I was wondering if ...
Fulano's user avatar
  • 187
0 votes
1 answer
139 views

Are there any aircrafts that use the same "ballooning effect" of spiders to fly?

For those that aren't aware, the "ballooning" effect that spiders use to glide (not necessarily fly) explaining in a simple way, some small invertebrates throw a bunch of long strings (in ...
Fulano's user avatar
  • 187
4 votes
3 answers
462 views

Why don’t ionocrafts (ionic propelled aircrafts) use ducted ionic thrusters instead of open air thrusters?

The most famous example of inonocraft is the aircraft with no-moving parts propulsion made by the MIT. A problem of ionic thrusters is that they only generate a gram of thrust for every watt, which ...
mandiokai's user avatar
  • 542
2 votes
3 answers
204 views

To what extent is it viable to launch manned gliders vertically using unmanned drones rather than tow planes?

An electric, vertical takeoff drone lifts a manned glider 5 km in the air. The glider is then released from the drone, and glides 50 km to carry its passengers across a lake. The drone meanwhile ...
Joseph's user avatar
  • 29
0 votes
1 answer
254 views

Use of Fuses in modern Aircraft Systems

Are Fuses allowed in the control electronics of an airplane? Are Fuses allowed in the electronic power paths which supply actuators? Thank you in advance.
UMBRO93's user avatar
  • 13
2 votes
0 answers
145 views

Why does the EA-18G not have a gold-lined canopy like the Prowlers have?

I noticed on the Growlers that they have a clear canopy compared to the gold lined canopy of a Prowler, Which protects pilots from radiation. If the Growler doesn't have a Gold lined canopy that does ...
Enzo C.'s user avatar
  • 185
3 votes
1 answer
172 views

Do EA-6B Electronic Countermeasure Officers focus on one task at a time?

I was wondering do the 3 Electronic Countermeasure Officers on the EA-6B all focus on doing the same task at once? Or does each of the ECO have a specific task assigned to them on the mission that ...
Enzo C.'s user avatar
  • 185
-1 votes
1 answer
172 views

Instead of battery why we don't use some perpetual energy source? Atomic Energy? [duplicate]

Right now the biggest issue of the electric plane is carrying a large battery to store energy proportional to its consumption for long-range, to increase range we use a larger battery. Even solar ...
Tikam Alma's user avatar
0 votes
1 answer
203 views

Who is the manufacturer of the power inverter used by Ampaire electric aircraft?

Please see the picture within this article.
Sam's user avatar
  • 1
2 votes
2 answers
621 views

Will the electric motor work well in ultralight aircraft?

I'm trying to replace the 20hp gasoline engine in my ultralight aircraft (trike) to 10kw BLDC motor, asking to know if the 10kw BLDC motor will work Motor+battery weight, is less than the actual ...
Ben Fabulous's user avatar
-1 votes
1 answer
212 views

How to find the battery mass fraction for electrical VTOL aircraft/drone

I am doing an univeristy project to do initial sizing of an electrical vtol drone. Using the aircraft design book from Raymer, I have gotten the battery mass fraction for the cruise, loiter, and climb ...
Faito Dayo's user avatar
1 vote
1 answer
287 views

Where is the battery location of Eviation's new electric aircraft Alice?

Where is the battery situated on Eviation's new electric aircraft Alice which has two fuselage-mounted electric propulsion systems?
user avatar
2 votes
2 answers
216 views

Comparison: e-aircraft vs. ground EV modes (car, coach, rail)

I'm looking for (and struggling to find) a comparison for any e-aircraft vs. ground EV modes (car, coach, rail) carrying an equivalent payload, an equivalent distance. So basically, if you fly from ...
Green Sky Thinking's user avatar
4 votes
1 answer
84 views

Performance metrics of a propulsion system - optimising a propulsive fan system [closed]

I'm designing an electric fan propulsion system for a hybrid-electric business jet. The hybrid business jet uses a series hybrid configuration and distributed electric propulsion. The electric fan ...
wannabe-engineer's user avatar
3 votes
2 answers
996 views

Relation between lift force and torque produced in propeller used for vertical take-off and landing aircrafts

There are many answers for this question but none of them are specific. I need to find the exact relation between the lift force of a propeller of specific pitch, attack angle , dimensions and ...
Mohammed Siddique's user avatar
4 votes
1 answer
446 views

Why was the Sikorsky Firefly built but never flown?

Sikorsky Firefly is the electric helicopter that has been built but never flown. How do such histories happen? If the design looked so unsafe that there was not enough courage of trying, why this was ...
h22's user avatar
  • 11.8k
0 votes
1 answer
187 views

Is it possible to build an ultralight helicopter with electric motors as its main engines? [closed]

So I'm trying to make an electric ultralight helicopter, but I'm not sure if it will work. Is it possible to use electric motors to make it fly? If yes, I'm going to need some advice. I'm expecting ...
Altmztrn's user avatar
1 vote
2 answers
229 views

Are any flight schools or clubs in Canada using Pipistrel's Alpha Electro or Velis Electro?

I'm interested in the business and environmental possibilities of using electric trainers for training. Are there flight clubs or flight schools training with electric aircraft? I thought I'd read ...
Kyle's user avatar
  • 125
-3 votes
1 answer
277 views

How many mid-ocean battery swaps are needed for an electric A380 to refly the first transatlantic flight?

Context To understand what the current level of electric airplane propulsion is with respect to large passenger airliners I developed the following question: Question How many battery swaps would be ...
a.t.'s user avatar
  • 113
1 vote
1 answer
383 views

Any idea what this Ampaire plane is?

(Source) This is certainly not the Ampaire 337 or Electric EEL, which is a converted Cessna 337. It looks like a boundary layer ingestor. Being from Ampaire, it probably is electric or hybrid. I've ...
Abdullah's user avatar
  • 3,518
-2 votes
1 answer
189 views

What's prohibiting the use of large batteries for electric aircraft? [duplicate]

In our society, the majority of the aircraft are powered by fuel. Recently, electric aircraft using electric batteries have begun to appear. However, the range of these aircraft are limited by the ...
Super's user avatar
  • 1,273