![]() Encyclopedia Astronautica Home - Search - Browse - Alphabetic Index: 0- 1- 2- 3- 4- 5- 6- 7- 8- 9 A- B- C- D- E- F- G- H- I- J- K- L- M- N- O- P- Q- R- S- T- U- V- W- X- Y- Z LL ![]() LL-1 Rocketplane AKA: Ts-1. Status: Operational 1945. Thrust: 14.70 kN (3,305 lbf). Gross mass: 2,039 kg (4,495 lb). Unfuelled mass: 1,139 kg (2,511 lb). Height: 8.98 m (29.46 ft). Span: 7.22 m (23.68 ft). The LL was towed to a 6 km release altitude by a Tu-2 aircraft. After being cast off, it would fire its Kartukov PRD-1500 solid rocket engine and accelerate to the edge of the sound barrier, with a camera photographing air flow on the tufted wing. The LL-2 was not finished because contemporary fighter programs were already providing data on swept wing configurations. But in 1946 to 1948 the LL-1 flew 30 times and the LL-3 100 times, with test pilots M Ivanov, Amet-Khan Sultan, Anokhin, and Rybko at the controls.
Crew Size: 1.
Family: Rocketplane, Suborbital. Country: Russia. Propellants: Solid. Agency: Tsybin bureau, TsNIIMash. More at: 11342. Bibliography: 301. 1945 September - .
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