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Turbo-Electric Propulsion, a New Idea for Revolutionary Aircraft

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Published on Jan 12, 2011

The hybrid wing body aircraft shape is already a new idea that can improve performance and reduce noise. NASA's Glenn Research Center is studying a drastic change in the propulsion system -- turboelectric engines -- that can make the HWB even more useful in reducing noise and fuel consumption and in improving use of smaller underutilized airports.

Turboelektrischer Antrieb für Flugzeugen.

Comments • 534

Behemoth29
I love how the internet's pond-scum feels that they're in a better position to comment on the feasibility of aerospace concepts than NASA.
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Gavin J
yeah the only problem with steeper landing descents is that nobody likes to feel that they are being dropped out of the sky
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Chris Rysdale
I like most of this design, though the concept of putting turbine electric generators on the wing tips makes no sense to me. You can't propel a craft with electricity, then use the crafts speed to generate that electricity back without losing more than you got in. Unless they were to be used as regenerative breaks when descending in a glide. Even then they would be hardly worth the weight, and I'm fairly sure you could simply use the 16 propulsion electric fans to do the same job, just as electric cars use their motors as generators for regenerative breaking. Overall a good design, and I hope to see it's core concepts on the market and in use!
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tuang hui yi
this is a good idea
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Gavin Hofer
Turbine engines power generators to power electric motors, also needs extreme refrigeration because the motors have superconductors for some reason. How is this more efficient than just using the jets for thrust? Also, newer jet airliners are already very quiet.
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Denis Palmer
I have no business posting here, I was a project engineer on the milstar satellite but we have a electric motor that is 1/10 the weight of others, and has much greater power is patented and this design shown as revolutionist was sketched and the duct ed fan propulsion was on our drawing board 10 years ago, and our motors do not require cooling,
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terry1919
This was posted 4 years ago...Has there been any progress??
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Paul Ellis
Oh dear, yet another fantasy pipe dream! Twelve small engines instead of two big ones is nonsensical! The power to weight ratio of that cluster of engines would be very poor. Remember the Hughes "Spruce Goose" and the Bristol Brabazon. Both had multiple small engines and both were somewhat underpowered! Hybrid jet/electric motors are a stupid idea. In a hybrid car they make sense because of the increase in torque for high load demands, but in an aircraft you don't want to be lugging the additional weight of batteries, refrigeration equipment and electric motors aloft.
HunsV
I've flown airplanes with low wing loading (which is what provides "high lift"). They really punish you in turbulence! There are passengers who can barely handle turbulence in a 747. Put them in this thing and they'll probably flip out to the point that they're either traumatized, or cause serious problems for the flight crew. I don't know of a solution other than to ditch the high lift design or design some kind of mechanism that allows the wings to dump some of the lift. The pilot would have to do this before flying into turbulent wind, and re-trim the aircraft to make up for it.
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Yang-진양훈 Jin-워싱턴 디시 노숙남
I need this with bullet proof body,gliding parachute,amphibious model with my idea 'Self Rechargeable Battery System'.
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