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searching for Payload fraction 13 found (73 total)

Aerogravity assist (326 words) [view diff] exact match in snippet view article find links to article

in velocity). This in turn allows a shorter travel time, a larger payload fraction of the spacecraft, or a smaller spacecraft for a given payload. The

Fuel fraction (593 words) [view diff] exact match in snippet view article find links to article

(t) OEW Fraction Fuel capacity (t) Fuel fraction Payload Max. (t) Payload fraction Airbus A380 575.0 285.0 49.6% 254.0 44.2% 84.0 14.6% Boeing 777-300ER

Reaction engine (3,331 words) [view diff] exact match in snippet view article find links to article

can involve trading off launch costs and mission duration against payload fraction. Rocket-like Rocket engine Ion thruster Airbreathing Turbojet Turbofan

Beam-powered propulsion (3,061 words) [view diff] exact match in snippet view article find links to article

better propulsion performance enables some combination of increased payload fraction, increased structural margins, and fewer stages. JASON's 1977 study

Firefly Aerospace (5,358 words) [view diff] exact match in snippet view article find links to article

carbon composite structure to reduce dry mass, resulting in an improved payload fraction. Alpha performed its first partially successful orbital launch on October

StarTram (3,455 words) [view diff] exact match in snippet view article find links to article

However, the non-linear nature of the rocket equation still makes the payload fraction for such a vehicle significantly greater than that of a conventional

Single-stage-to-orbit (5,677 words) [view diff] exact match in snippet view article find links to article

sufficiently to hold out the possibility of full reusability with better payload fraction. It is important to note that mass fraction is an important concept

Interplanetary spaceflight (7,342 words) [view diff] exact match in snippet view article find links to article

of ~1.7•10−3 g, with a ship initial mass of ~1700 metric tons, and payload fraction above 10%. Fusion rockets are considered to be a likely source of interplanetary

Scramjet (8,217 words) [view diff] exact match in snippet view article find links to article

final acceleration into orbit. Since the delta-V is moderate and the payload fraction of scramjets high, lower performance rockets such as solids, hypergolics

Rocket engine (11,770 words) [view diff] exact match in snippet view article find links to article

conventional rocket. While LH2 propellant offers the highest Isp and rocket payload fraction, ammonia or methane are economically superior for earth-to-orbit rockets

Interstellar travel (10,196 words) [view diff] exact match in snippet view article find links to article

of ~1.7•10−3 g, with a ship initial mass of ~1700 metric tons, and payload fraction above 10%. Although these are still far short of the requirements for

Orbital propellant depot (7,943 words) [view diff] exact match in snippet view article find links to article

mitigation equipment is typically included on the transfer stage, reducing payload fraction and requiring more propellant for the same payload unless the mitigation

Fuel economy in aircraft (7,376 words) [view diff] exact match in snippet view article find links to article

consumption of about 0.75% results from each 1% reduction in weight. The payload fraction of modern twin-aisle aircraft is 18.4% to 20.8% of their maximum take-off