Some articles on model rocket motors, rocket motors, model rocket, model rockets, motors:
... Specific impulse is also used to measure performance in model rocket motors ... values for specific impulses for several of their rocket motors Estes Industries is a large, well-known American seller of model rocket components ... The specific impulse for these model rocket motors is much lower than for many other rocket motors because the manufacturer uses black powder propellant and emphasizes ...
... Most small model rocket motors are single-use engines, with cardboard bodies and lightweight molded ceramic nozzles, ranging in impulse class from fractional A to G ... Model rockets generally use commercially manufactured black powder motors ... These motors are tested and certified by the National Association of Rocketry, the Tripoli Rocketry Association (TRA) or the Canadian Association of Rocketry (CAR) ...
Famous quotes containing the words motors, model and/or rocket:
“When General Motors has to go to the bathroom ten times a day, the whole countrys ready to let go. You heard of that market crash in 29? I predicted that.... I was nursing a director of General Motors. Kidney ailment, they said; nerves, I said. Then I asked myself, Whats General Motors got to be nervous about? Overproduction, I says. Collapse.”
—John Michael Hayes (b. 1919)
“... if we look around us in social life and note down who are the faithful wives, the most patient and careful mothers, the most exemplary housekeepers, the model sisters, the wisest philanthropists, and the women of the most social influence, we will have to admit that most frequently they are women of cultivated minds, without which even warm hearts and good intentions are but partial influences.”
—Mrs. H. O. Ward (18241899)
“A rocket is an experiment; a star is an observation.”
—José Bergamín (18951983)