Altair (rocket stage)

Altair (rocket stage)

The Altair was a solid-fuel rocket with a fiberglass casing, initially developed for use as the third stage of Vanguard rockets.cite book |title=To Reach the High Frontier: A History of U.S. Launch Vehicles |last=Launius |first=Roger D. |coauthors=Dennis R. Jenkins |publisher=University Press of Kentucky |date=2002 |url=http://books.google.com/books?id=mUNS96ZHyNUC |pages=pp. 186-213] It was manufactured by Allegany Ballistics Laboratory (ABL) as the X-248. It was also sometimes called the Burner 1.

Use with Vanguard

The X-248 was one of two third-stage designs used during Project Vanguard. Early launches used a stage developed by the Grand Central Rocket Company, but later launches used the X-248 which enabled the Vanguard to launch more massive payloads.

Use with Thor

The X-248 was used as the second stage of some early Thor flights. These vehicles were designated "Thor-Altair".

Use with Delta

Altairs were used as the third stage of early Delta rockets.

Use with Scout

The fourth stage of the Scout rocket also used the "Altair" stage.

References


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