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Serpent Model Racing Cars B.V. (known commonly as Serpent, or alternatively Serpent Motorsport, Serpent MRC or Team Serpent) was a company from Heemstede, North Holland in the Netherlands, specializing in competition grade radio controlled cars, which has won numerous IFMAR and EFRA titles, plus several national titles. They are currently ...
Four-stroke model engines have been made in sizes as small as 0.20 in3 (3.3 cc) for the smallest single-cylinder models, all the way up to 3.05 in3 (50 cc) for the largest size for single-cylinder units, with twin- and multi-cylinder engines on the market being as small as 10 cc for opposed-cylinder twins, while going somewhat larger in size ...
There also exist model diesels with fixed compression heads. A few examples are the British 5 cc OWAT or the American DRONE. These engines have a fixed compression ratio, but the compression can be altered slightly with the use of more or less lubrication oil in the fuel. Also the engine's load affects the compression and ignition timing.
The current heats the platinum filament, causing it to glow red hot, hence the name. The engine is then spun from the outside using a manual crank, built-in rope-based recoil starter, spring-loaded motor or purpose-built electric motor, or by hand, to introduce fuel to the chamber. Once the fuel has ignited and the engine is running, the ...
Three different 27MHz channels were available to allow running 3 cars at a time. The price announced in 1966 for the complete, ready to run car was $69.95, a clear indication of the high price of radio control in what was originally a $4.95 battery electric car without radio control. ElGi Ferrari 250LM 1:12 Scale Radio Controlled Car
The result was the Space Bug .049 Contest engine, Cox's first model plane engine which was completed in October 1951. [8] In 1952 the first name change was made to L.M. Cox Manufacturing Company Inc. The Space Bug engine set the scene for all the Cox engines that followed, and went into full production in 1952.
An oscillating cylinder engine cannot be reversed by means of the valve linkage (as in a normal fixed cylinder) because there is none. Reversing of the engine can be achieved by reversing the steam connections between inlet and exhaust or, in the case of small engines, by shifting the trunnion pivot point so that the port in the cylinder lines up with a different pair of ports in the port face.
Out of radio-controlled model boats sprang up a new hobby—gas-powered model boating. Radio-controlled, gasoline-powered model boats first appeared in 1962 designed by engineer Tom Perzinka of Octura Models. [citation needed] The gas model boats were powered with O&R (Ohlsson and Rice) small 20 cc ignition gasoline utility engines. This was a ...