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This an unflown Model Products Corporation "Miniroc" B3-4 model rocket motor. It is made of pasteboard and contains non-explosive propellant. The "B3-4" signifies that the power of the motor is in the second lowest class (out of seven) established by the National Association of Rocketry. 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 MODELS-Missiles & Rockets Manufacturer Model Products Corporation
 Dimensions Packaging: 1.27 x 11.11 x 12.7cm (1/2in. x 4 3/8in. x 5in.)
Before 10/7/2011: Other: 1/2 x 2 1/4in. (1.3 x 5.7cm)
 Materials Engine: Paper, Adhesive, Ceramic
Packaging: Cardboard, Plastic, Steel
 Inventory Number A19930525000 Credit Line Gift of G. Harry Stine Data Source National Air and Space Museum Restrictions & Rights Usage conditions apply
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