BOR-5

BOR-5
BOR-5 No. 502 at the Central Air Force Museum in Russia
General information
Other names	Russian: БОР-5, «Беспилотный Орбитальный Ракетоплан 5 romanized: Bespilotnyi Orbital'nyi Raketoplan 5, Unpiloted Orbital Rocketplane 5
Type	Unmanned 1:8 scale re-entry test vehicle
Number built	5
Flights	6
History
First flight	5 June 1984
Last flight	22 June 1988

The BOR-5 (Russian: БОР-5, «Беспилотный Орбитальный Ракетоплан 5», romanized: Bespilotnyi Orbital'nyi Raketoplan 5, lit. 'Unpiloted Orbital Rocketplane 5') is a 1:8 sized test flight vehicle, used to study the main aerodynamic, thermal, 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 rocket launched from Kapustin Yar, near Volga, towards Lake Balkhash¹ at the altitude of about 100 km with velocities from 4000 to 7300 kilometers per second.²

Six flights were made:³⁴

• 4 July 1984 - aborted
• 5 June 1984 - No. 501
• 17 April 1985 - No. 502
• 27 December 1986 - No. 503
• 27 August 1984 - No. 504
• 22 June 1988 - No. 505

Two survivors of the BOR-5 tests are known to exist:⁵

• BOR-5 No. 502 - Central Air Force Museum, Monino, Russia
• BOR-5 No. 505 - Technik Museum Speyer, Speyer, Germany