Questions tagged [electric-aircraft]
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Do electric hot air balloons exist?
With many things going electric these days, I wonder, is there an electric hot air balloon? One that doesn't use propane tanks to heat the balloon air.
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Why do Electric Aircraft Seem to Eschew Photovoltaics?
I work in climate policy so I'm always excited for things that could help me feel less guilty about being into aviation such as biojet and the progress being made in electric propulsion.
To date, ...
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Is there any electric aircraft certified by the FAA?
I see this EASA publication about the Pipistrel Velis Electro being certified on 2020(almost 4 years now). Is there any electric aircraft certified by the FAA? and if not is there any reason why not ...
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Have two similarly sized aircraft ever hard-docked with each other while in flight?
This question is looking for a precedent in aviation related to the futuristic idea of maintaining a permanent fleet of solar-powered aircraft in the upper atmosphere on the sunny side of Venus (which ...
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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 ...
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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/...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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.
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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 ...
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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 ...
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Who is the manufacturer of the power inverter used by Ampaire electric aircraft?
Please see the picture within this article.
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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 ...
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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 ...
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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 ...
CommunityBot
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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?
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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