BOR
The БОР (Russian: Беспилотный Орбитальный Ракетоплан, Bespilotnyi Orbital'nyi Raketoplan, "Unpiloted Orbital Rocketplane"). Another spacecraft to use the Spiral design was the BOR series, unmanned subscale reentry test vehicles. American analogs X-23 PRIME and ASSET. Several of these craft have been preserved in aerospace museums around the world.
| Image | Type | Launch date | Usage | Current status |
|---|---|---|---|---|
| BOR-1 | 15.07.1969 | Flight test, the experimental 1:3 scale model. Burned in the atmosphere at a height of about 60–70 km with the speed 8 000 mph (13 000 km/h). Was deployed at an altitude 328,083 ft (100 km) by 11K65 |
Burned(planned). | |
| BOR-2 | 1969–1972 | Sub-scale model of the Spiral space plane. 4 launches. | NPO Molniya, Moscow | |
| BOR-3 | 1973–1974 | Sub-scale model of the Spiral space plane. 2 launches. 1. Destruction of the nose fairings after launch at a height of about 5 km (speed 0.94 Mach). 2. Flight program is fully implemented. Crashed on landing (Parachute failure) |
Crushed. | |
| BOR-4 | 1980–1984 | Sub-scale model of the Spiral space plane. 4 launches and 2 unconfirmed | NPO Molniya, Moscow | |
| BOR-5 | 1984–1988 | Flight tests, the experimental sub-scale base model. 5 launches. Data was also used in the Buran project. | Technik Museum Speyer, Germany Museum in Monino, Russia |
|
| BOR-6 | Sub-scale model of the Spiral space plane | NPO Molniya, Moscow |
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