• Thumbnail for R-4D
    The R-4D is a small hypergolic rocket engine, originally designed by Marquardt Corporation for use as a reaction control system thruster on vehicles of...
    6 KB (469 words) - 12:14, 14 August 2024
  • Thumbnail for 4D film
    4D film is a presentation system combining motion pictures with synchronized physical effects that occur in the theater. Effects simulated in 4D films...
    18 KB (642 words) - 18:15, 10 November 2024
  • Thumbnail for Orion (spacecraft)
    single AJ10 engine provides the spacecraft's primary propulsion, while eight R-4D-11 engines, and six pods of custom reaction control system engines developed...
    109 KB (8,711 words) - 02:21, 15 November 2024
  • Thumbnail for Apollo command and service module
    provided rotation and translation control in all three spacecraft axes. Each R-4D thruster measured 12 inches (30 cm) long by 6 inches (15 cm) diameter, generated...
    74 KB (7,757 words) - 04:23, 20 August 2024
  • Thumbnail for Digit ratio
    Digit ratio (redirect from 2d:4d)
    (ring finger), also referred to as the 2D:4D ratio, measured on the palm side. It is proposed that the 2D:4D ratio indicates the degree to which an individual...
    63 KB (7,365 words) - 18:08, 30 October 2024
  • Mitchel (Fus) William A. Prendergast (R) 4D, 1R 41D, 32R 1911 1912 Ardolph L. Kline (R) 39R, 34D 1913 Ardolph Loges Kline (R) 1914 John Purroy Mitchel (Fus)...
    12 KB (88 words) - 09:15, 8 May 2024
  • Thumbnail for Atlas II
    orbit) on board the Atlas II and, later, the Delta IV. It was powered by two R-4D engines and could operate on-orbit for up to twelve days before deploying...
    19 KB (1,913 words) - 21:51, 14 July 2024
  • Pipes (R) Aquilla B. Caldwell (R) Thomas Boggess (R) James A. Macauley (R) 18R, 4D 32R, 24D Arthur I. Boreman (R) 3R 1870 William E. Stevenson (R) 13LR...
    49 KB (390 words) - 03:33, 10 November 2024
  • Thumbnail for Reaction control system
    Gemini. The Apollo Service Module and Lunar Module each had a set of sixteen R-4D hypergolic thrusters, grouped into external clusters of four, to provide...
    9 KB (991 words) - 17:30, 30 August 2024
  • Thumbnail for Curtiss JN Jenny
    with c/r N5001. Unknown ID – JN-4D on static display in unskinned condition at the Yanks Air Museum in Chino, California. Unknown ID – JN-4D on display...
    57 KB (6,003 words) - 17:47, 25 September 2024
  • Thumbnail for Aerojet Rocketdyne
    lander. Two RL-10 engines are used on Centaur V upper stage of ULA Vulcan. R-4D (MMH/NTO) – 100 lbf (exact thrust depends on variant) hypergolic thruster...
    28 KB (2,774 words) - 23:17, 17 October 2024
  • coalition with a Republican House speaker, Tom Fink. The "no party" member, Frank R. Ferguson, was elected as a write-in after losing the Democratic primary as...
    25 KB (648 words) - 04:32, 20 November 2024
  • Thumbnail for 4D (train)
    The 4D was a prototype double deck electric multiple unit built for the Public Transport Corporation in Victoria, Australia, for operation on the Melbourne...
    13 KB (1,434 words) - 03:53, 3 July 2024
  • Thumbnail for Four-dimensional space
    Four-dimensional space (4D) is the mathematical extension of the concept of three-dimensional space (3D). Three-dimensional space is the simplest possible...
    44 KB (5,350 words) - 21:22, 12 November 2024
  • Thumbnail for SpaceX Draco
    nitrogen tetroxide oxidizer. The Draco thrust is comparable to the Marquardt R-4D engine developed for the Apollo Service and Lunar Modules in the 1960s and...
    10 KB (855 words) - 14:18, 2 July 2024
  • Attorney General on January 1 and January 2, 1979, respectively. Sen. Robert R. Neall switched parties from Republican to Democratic. In September 2008,...
    52 KB (339 words) - 22:45, 9 November 2024
  • Thumbnail for Cassini–Huygens
    architecture. The main propulsion system consisted of one prime and one backup R-4D bipropellant rocket engine. The thrust of each engine was 490 N (110 lbf)...
    130 KB (12,105 words) - 17:07, 3 November 2024
  • Thumbnail for Delta IV Heavy
    Castor-4A CBC GEM-40 GEM-46 GEM-60 First stages Common Booster Core Upper Stages Engines AJ10 B-8048 B-8081 B-8096 LE-5 LR-79 R-4D RL10 RS-27 RS-68 TR-201...
    17 KB (1,565 words) - 18:52, 9 November 2024
  • Thumbnail for INSAT-1B
    the satellite's asymmetrical design. The spacecraft was propelled by an R-4D-11 apogee motor. INSAT-1B was deployed by Space Shuttle Challenger during...
    6 KB (436 words) - 00:04, 28 November 2023
  • Thumbnail for Thor-Able
    Castor-4A CBC GEM-40 GEM-46 GEM-60 First stages Common Booster Core Upper Stages Engines AJ10 B-8048 B-8081 B-8096 LE-5 LR-79 R-4D RL10 RS-27 RS-68 TR-201...
    9 KB (910 words) - 11:58, 2 September 2024
  • Thumbnail for Automated Transfer Vehicle
    ATV had solar panels (3,800 W), 40 Ah of batteries, propellant tanks, four R-4D (490 N) thrusters, and 28 attitude control and braking thrusters (220 N)...
    55 KB (6,003 words) - 18:17, 22 September 2024
  • Thumbnail for List of crewed spacecraft
    single AJ10 engine provides the spacecraft's primary propulsion, while eight R-4D-11 engines and six pods of custom reaction control system (RCS) engines developed...
    40 KB (4,177 words) - 21:45, 15 November 2024
  • Thumbnail for RL10
    Castor-4A CBC GEM-40 GEM-46 GEM-60 First stages Common Booster Core Upper Stages Engines AJ10 B-8048 B-8081 B-8096 LE-5 LR-79 R-4D RL10 RS-27 RS-68 TR-201...
    40 KB (2,901 words) - 04:25, 18 November 2024
  • 4-Digits (section 4D)
    4-Digits is a fixed-odds game. Magnum 4D is the first legalised 4D Operator licensed by the Malaysian Government to operate 4D. Soon thereafter, other lottery...
    8 KB (1,347 words) - 09:58, 18 July 2024
  • Thumbnail for Vandenberg Space Launch Complex 6
    Castor-4A CBC GEM-40 GEM-46 GEM-60 First stages Common Booster Core Upper Stages Engines AJ10 B-8048 B-8081 B-8096 LE-5 LR-79 R-4D RL10 RS-27 RS-68 TR-201...
    35 KB (3,408 words) - 15:23, 8 November 2024
  • Thumbnail for PGM-17 Thor
    Castor-4A CBC GEM-40 GEM-46 GEM-60 First stages Common Booster Core Upper Stages Engines AJ10 B-8048 B-8081 B-8096 LE-5 LR-79 R-4D RL10 RS-27 RS-68 TR-201...
    34 KB (4,373 words) - 19:59, 17 November 2024
  • Thumbnail for Delta (rocket family)
    a uniform 2.4 m (7 ft 10 in) diameter and used the United Technologies FW-4D motor as a third stage.[citation needed] The Delta M first stage consisted...
    20 KB (3,413 words) - 22:44, 9 October 2024
  • Thumbnail for Building information modeling
    I.; O'Brien, W. (January 2003). 4d CAD and Visualization in Construction: Developments and Applications by Raja R. A. Issa, Ian Flood, William J. O'Brien...
    104 KB (10,373 words) - 17:02, 14 November 2024
  • James M. Collins won a special election to fill the seat of Democrat Joe R. Pool, who died. John Poerner won his seat as a Republican in a special election...
    59 KB (1,165 words) - 06:50, 15 October 2024
  • John Troup Shewmake (R) 4D, 2U, 2W 1852 Howell Cobb (CU) 39U, 8SR 104U, 29SR Robert M. Charlton (D) Franklin Pierce/ William R. King (D) Y 1853 Elihu...
    65 KB (1,103 words) - 15:07, 25 October 2024