• Specific thrust is the thrust per unit air mass flowrate of a jet engine (e.g. turbojet, turbofan, etc.) and can be calculated by the ratio of net thrust/total...
    3 KB (417 words) - 21:16, 2 March 2024
  • Thrust-specific fuel consumption (TSFC) is the fuel efficiency of an engine design with respect to thrust output. TSFC may also be thought of as fuel...
    13 KB (1,051 words) - 07:03, 5 March 2024
  • Thumbnail for Turbofan
    Turbofan (section Thrust)
    velocity, giving much more thrust per unit energy (lower specific thrust). Both airstreams contribute to the gross thrust of the engine. The additional...
    93 KB (11,256 words) - 23:09, 13 June 2025
  • Thumbnail for Variable cycle engine
    reduce aircraft drag at supercruise, SST engines require a high specific thrust (net thrust/airflow) to minimize the powerplant's cross-sectional area. This...
    11 KB (1,414 words) - 23:54, 15 December 2024
  • can generate thrust, given a quantity of propellant whose weight is equal to the engine's thrust. That is, in units of seconds the specific impulse I s...
    35 KB (5,007 words) - 22:09, 8 June 2025
  • Thumbnail for Afterburner
    mostly those on military supersonic aircraft. Its purpose is to increase thrust, usually for supersonic flight, takeoff, and combat. The afterburning process...
    21 KB (2,620 words) - 20:21, 7 April 2025
  • Thumbnail for Thrust
    Thrust is a reaction force described quantitatively by Newton's third law. When a system expels or accelerates mass in one direction, the accelerated mass...
    13 KB (1,834 words) - 22:10, 8 June 2025
  • greater net thrust to be available at slow speeds. Thus civil turbofans today have a low exhaust speed (low specific thrust – net thrust divided by airflow)...
    44 KB (6,049 words) - 06:25, 31 March 2025
  • Thumbnail for Variable Specific Impulse Magnetoplasma Rocket
    high thrust, low specific impulse chemical rockets and low thrust, high specific impulse electric propulsion, but has not yet demonstrated high thrust. The...
    30 KB (3,174 words) - 15:32, 24 May 2025
  • Thumbnail for Pratt & Whitney F119
    and a fully variable convergent-divergent nozzle to achieve high specific thrust in intermediate, or non-afterburning power. The combustor, internally...
    23 KB (2,535 words) - 15:55, 8 June 2025
  • is usually placed before "specific" in the full term (e.g., "thrust-specific fuel consumption"). Named and unnamed specific quantities are given for the...
    9 KB (1,163 words) - 16:09, 19 January 2025
  • Thumbnail for Saturn AL-51
    well as 19% higher thrust-to-weight ratio, 6.4% better specific thrust, and 9% lower specific fuel consumption; estimated thrust is 107.9 kN (24,300 lbf)...
    14 KB (1,305 words) - 08:55, 15 April 2025
  • of high bypass ratio turbofans. One of the methods used to reduce Thrust-specific fuel consumption is to improve Propulsive Efficiency. This involves...
    5 KB (676 words) - 22:14, 16 August 2022
  • Thumbnail for Meredith effect
    the air to attain a higher temperature increasing the specific thrust. If the generated thrust is less than the aerodynamic drag of the ducting and radiator...
    5 KB (689 words) - 20:01, 2 January 2025
  • Thumbnail for Supersonic transport
    regulators to disfavor the practice. SST engines need a fairly high specific thrust (net thrust/airflow) during supersonic cruise, to minimize engine cross-sectional...
    72 KB (8,138 words) - 20:24, 11 June 2025
  • Thumbnail for General Electric GE90
    turbofan aircraft engines built by GE Aerospace for the Boeing 777, with thrust ratings from 81,000 to 115,000 pounds-force (360 to 510 kilonewtons). It...
    41 KB (3,701 words) - 13:10, 8 June 2025
  • Thumbnail for Thrust reversal
    Thrust reversal, also called reverse thrust, is the temporary diversion of an aircraft engine's thrust for it to act against the forward travel of the...
    27 KB (2,992 words) - 06:08, 22 March 2025
  • Thumbnail for Lotarev DV-2
    military transport turbofans. Ivchenko Lotarev chose a very low specific thrust (net thrust/airflow) cycle for the DV-2, so a single stage fan is sufficient...
    5 KB (524 words) - 13:25, 24 October 2021
  • Thumbnail for Rolls-Royce BR700
    unit) driven by a two-stage, air-cooled, HP turbine. This engine has a thrust-specific fuel consumption (TSFC) of 0.39 lb/(lbf⋅h) (11 g/(kN⋅s)) at static...
    24 KB (2,188 words) - 14:04, 7 January 2025
  • Thumbnail for Pratt & Whitney J57
    high overall pressure ratio to help improve both thrust-specific fuel consumption and specific thrust, but it was known that throttling a single high-pressure-ratio...
    21 KB (2,542 words) - 16:20, 8 June 2025
  • Thumbnail for Thrust lever
    Thrust levers or throttle levers are found in the cockpit of aircraft, and are used by the pilot, copilot, flight engineer, or autopilot to control the...
    4 KB (404 words) - 01:00, 26 January 2025
  • In orbital mechanics, low-thrust relative transfer is an orbital maneuver in which a chaser spacecraft covers a specific relative distance relative to...
    7 KB (1,236 words) - 06:42, 28 May 2025
  • nozzle (PCT patent pending) contracts in the subsonic mode for optimal specific thrust. As the engine accelerates to supersonic velocities, the articulated...
    25 KB (3,246 words) - 20:19, 21 August 2024
  • An interstellar ark is a conceptual starship designed for interstellar travel. Interstellar arks may be the most economically feasible method of traveling...
    5 KB (445 words) - 18:54, 20 November 2023
  • Thrust-to-weight ratio is a dimensionless ratio of thrust to weight of a rocket, jet engine, propeller engine, or a vehicle propelled by such an engine...
    24 KB (1,722 words) - 20:31, 14 June 2025
  • Thumbnail for Rocket engine
    are the lightest and have the highest thrust, but are the least propellant-efficient (they have the lowest specific impulse). The ideal exhaust is hydrogen...
    101 KB (11,734 words) - 13:38, 30 May 2025
  • Thumbnail for SpaceX Merlin
    the Merlin 1C had a sea-level thrust of 350 kN (78,000 lbf), a vacuum thrust of 400 kN (90,000 lbf) and a vacuum specific impulse of 304 s (2.98 km/s)...
    51 KB (5,107 words) - 13:44, 30 March 2025
  • Thumbnail for Pulsejet
    of construction, and high noise levels. While the thrust-to-weight ratio is excellent, thrust specific fuel consumption is very poor. The pulsejet uses...
    28 KB (3,762 words) - 02:53, 2 June 2025
  • Thumbnail for Scramjet
    {\displaystyle \eta _{0}} ), in terms of the specific impulse of the engine: η 0 = g 0 V 0 h PR I sp = Thrust power Chemical energy rate {\displaystyle \eta...
    71 KB (8,281 words) - 13:25, 24 May 2025
  • Thumbnail for Jet engine
    Jet engine (redirect from Jet thrust)
    discharging a fast-moving jet of heated gas (usually air) that generates thrust by jet propulsion. While this broad definition may include rocket, water...
    63 KB (8,029 words) - 02:26, 14 June 2025