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This is an unflown Rocket Development Corporation B4 model rocket motor. The "B4" signifies that the power of the motor is in the second lowest class (out of seven) established by the National Association of Rocketry. The motor is made of pasteboard. The non-explosive propellant has been removed from it. A motor is used only once to power a model rocket.

G. Harry Stine, a pioneer in the field of flying rocket models, donated it to NASM in 1973.

 Display Status

This object is not on display at the National Air and Space Museum. It is either on loan or in storage.
Object Details
Country of Origin United States of America Type PROPULSION-Rocket Engines Manufacturer Rocket Development Corporation
 Dimensions Other: 2 3/4in. x 3/4in. (7 x 1.91cm)
 Materials Paper
Adhesive
Ceramic
 Inventory Number A19930502000 Credit Line Gift of G. Harry Stine Data Source National Air and Space Museum Restrictions & Rights Usage conditions apply
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