Some articles on model rocket motors, model rockets, motors, rocket motors, model rocket:
... 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) ...
... Specific impulse is also used to measure performance in model rocket motors ... some of Estes' claimed 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 safety rather than maximum performance ...
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)
“When Titian was mixing brown madder,
His model was posed up a ladder.
Said Titian, That position
Calls for coition,
So he lept up the ladder and had her.”
“A rocket is a reed that thinks brilliantly.”
—José Bergamín (18951983)