I have started working on a BT 80 scratch built Honest John. I have been looking at all the pictures I can find but I am having trouble seeing how many spin rockets they have on the nose cone. Is it 3 or 4? Thanks for any help.
Steve
Steve
(U) Like the main power plant, the spin rocket selected was an off-the-shelf item which had been developed by the Jet Propulsion Laboratory for use on an early research vehicle known as the Bumper WAC (Without Altitude Control), The Douglas Aircraft Company provided the metal parts for 16 spin rockets (2 sets), which were loaded by the Redstone Division of the Thiokol Corporation and spin tested for manifold performance at the Jet Propulsion Laboratory. Based on the results of these two laboratory tests, 40 additional spin rockets (5 sets) were rushed to completion for use in the five demonstration firings. Many of the technical difficulties later experienced in the flight test program stemmed directly from the lack of time and funds for more thorough laboratory tests in this early phase of development.
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