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The fuel used to power the engine is called Model Engine Fuel, a mixture of methanol (70–40%), castor oil (20%) and nitromethane (10–40%). The Cox line of reed valve engines designed prior to 1960 used a rear reed valve induction system.
In the 1950s and 1960s until recently, Cox has produced a line of hobby-oriented models of cars, airplanes, and other vehicles. The most noted are the .049 cubic-inch displacement glow fuel powered models, controlled by line (Control Line) or by radio (Radio Control).
An old Cox Golden Bee 0.049 cubic inch (0.8 cubic cm.) reed valve engine disassembled. The weight is two and a quarter ounces with the propeller and large fuel tank, but without fuel. The same Cox Golden Bee 0.049 assembled. The left rotating propeller and horizontal cylinder contribute to keeping the control lines tight.
In 1996, Hobby Products acquired the assets of Cox Products of Corona, California, a company involved with the design and manufacture of model airplanes and glow-fuel model airplane engines. Cox's assets were moved to the Estes facility. In 2002, the combined company was sold again and the company's name was changed to Estes-Cox Corp. [11] [12]
Glow fuel is a fuel source used in model engines – generally the same or similar fuels can be used in model airplanes, helicopters, cars and boats. [1] Glow fuel can be burned by very simple two-stroke engines or by more complicated four-stroke engines, and these engines can provide impressive amounts of power for their very small size.
Glow fuel generally consists of methanol with varying degrees of nitromethane content as an oxidizer for greater power, generally between 5% and 30% of the total blend. These volatiles are suspended in a base oil of castor oil, synthetic oil or a blend of both for lubrication and heat control.
Leroy Milburn Cox (April 27, 1906 – September 22, 1981) was an American entrepreneur, world famous for his Cox model engines and gas powered toys including model cars, airplanes and boats. [ 1 ] Personal life
Tether cars are often small (less than 1 meter in length), powered by a non-radio controlled model aeroplane engine (two stroke, glow plug, piston liner, etc.), and run on fuel supplied by a fuel tank within the car. Since 2015, electric motor driven cars, powered by batteries, have also emerged. [2]