Model Rockets A model rocket is a miniature rocket patterned after military or space rockets. Model rockets usually eight less than 4.5 kilograms. Many of them measure between 20 and 61 centimeters long. Model rockets can elevate as high as 480 kilometers an hour.(Rocket,Model World Book Encyclopedia 1992) Rocketry is dated back to 1048 AD were the Chinese knew them as “ Fire Arrows.” Rockets first came to the new world during the war of 1812. Rockets are used in war, space travel, and scientific research. They can also be used as distress signals for ships and airplanes.(A Brief History of Rocketry http://www.es- one.com/sci/earth/astronomy/inf