Sentences with phrase «electric propulsion today»
Dozens of commercial and military satellites, as well as NASA's Dawn science probe to the asteroid belt, use electric propulsion today, but the power generated for their maneuvering thrusters is low, according to the panel of experts who spoke at the hearing.
https://www.space.com/ Not exact matches
Rockets today are not reusable, and that makes them so expensive — currently around $ 4,600 for each kilogram of payload lofted into low orbits — that the economics of putting solar modules in space just don't pencil out, even if the modules use solar - electric propulsion to lift themselves into their final orbit.
Aerojet Rocketdyne, a GenCorp company, announced today that it is celebrating the 30 - year anniversary of its first Solar Electric Propulsion (SEP) mission.
«We can do lot more with today's propulsion systems, both gas and diesel, as you downsize and add direct - injection and electrification to those systems,» Smyth says, noting GM is working on all possible future powertrain technologies, including hybrid - and all - electric vehicles, as well as plug - in hybrids and hydrogen fuel cells.
When one takes into consideration the different efficiencies of liquid - fueled and electric propulsion, then where the rubber meets the road the cost of powering a plug - in hybrid with average - cost residential electricity would be about 40 per cent of the cost of powering the same vehicle with today's approximately $ 2.50 / gallon gasoline, or, said another way, for the consumer to be able to buy fuel in the form of electricity at the equivalent of $ 1 / gallon gasoline.