• Thumbnail for BOR-4
    The BOR-4 (БОР-4 Russian: Беспилотный Орбитальный Ракетоплан 4, Bespilotnyi Orbital'nyi Raketoplan 4, "Unpiloted Orbital Rocketplane 4") flight vehicle...
    7 KB (458 words) - 03:07, 24 August 2023
  • Thumbnail for Bristol Siddeley Orpheus
    Gnat. BOr.2 4,520 lbf (20.1 kN) for take-off BOr.3 4,850 lbf (21.6 kN) for take-off BOr.4 4,230 lbf (18.8 kN) for take-off (de-rated) BOr.6 BOr.11 Upflowed...
    12 KB (1,505 words) - 11:13, 8 March 2024
  • Thumbnail for BOR-5
    acoustic and stability characteristics of the Buran. It follows upon the BOR-4 reentry test vehicle. It was put into a suborbital trajectory by a K65M-RB5...
    3 KB (178 words) - 03:13, 4 December 2022
  • Thumbnail for Mikoyan-Gurevich MiG-105
    ceramic bearings to allow for thermal expansion during reentry. Several BOR (Russian acronym for Unpiloted Orbital Rocketplane) craft were flown to test...
    8 KB (714 words) - 12:13, 29 October 2023
  • Thumbnail for Bor, Serbia
    Bor (Serbian Cyrillic: Бор; Romanian: Bor) is a city and the administrative center of the Bor District in the Timok Valley in eastern Serbia. According...
    45 KB (4,347 words) - 11:22, 5 March 2024
  • Thumbnail for HL-20 Personnel Launch System
    was envisaged as a lifting body re-entry vehicle similar to the Soviet BOR-4 spaceplane design. Its stated goals were to achieve low operational costs...
    17 KB (2,136 words) - 17:57, 10 November 2023
  • Thumbnail for Dream Chaser
    their lifting body, the BOR-4, including a maneuvering re-entry over the Indian Ocean from space orbit. The flight test of the BOR-4 closely resembled that...
    75 KB (6,473 words) - 21:23, 30 April 2024
  • Thumbnail for Tadeusz Bór-Komorowski
    1895 – 24 August 1966), better known by the name Bór-Komorowski (after one of his wartime code-names: Bór – "The Forest") was a Polish military leader. He...
    11 KB (769 words) - 22:21, 1 May 2024
  • Thumbnail for Boeing X-20 Dyna-Soar
    vehicle designed to verify the superalloy heatshield of the DynaSoar. BOR-4 BOR-5 Mikoyan-Gurevich MiG-105 North American X-15 Silbervogel Goebel, Greg...
    28 KB (3,361 words) - 13:23, 27 February 2024
  • Kosmos 1445 - second flight of BOR-4 prototype of Spiral military shuttle system Kosmos 1517 - third flight of BOR-4 prototype of Spiral military shuttle...
    12 KB (1,526 words) - 11:28, 27 October 2023