Search results
Results from the WOW.Com Content Network
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 ...
John Morris and Sons' first motor driven "first-aid motor fire engine" was built in 1905 for Cape Town's Metropolitan Fire Service. [7] It was fitted with a 30–40 h.p. Belsize engine and provided accommodation for six firemen. [8] The first motor-driven fire-pump built by John Morris and Sons was for the Bury Town Council.
O.S. is now a leading manufacturer of single- and multi-cylinder model aircraft engines ranging from the small .10 LA two-stroke to the FF-320 four-stroke "giant-scale" flat four-cylinder and the FR7-420 Sirius7 7-Cylinder Radial Engine "giant-scale" radial. O.S. engines in current production include the .21 TM, the .18 TZ, the .46 AX and many ...
A glow plug engine, or glow engine, is a type of small internal combustion engine [1] typically used in model aircraft, model cars and similar applications. The ignition is accomplished by a combination of heating from compression, heating from a glow plug and the catalytic effect of the platinum within the glow plug on the methanol within the ...
Three types of internal combustion engines are available being small 2 and 4 stroke engines. Glowplug engines use methanol and oil as fuel, compressive ignition ('diesel') burn paraffin with ether as an ignition agent. Larger engines can be glowplug but increasingly common gasoline is the fuel of choice. These engines are spark ignited.
By 1889, Day was working on an engine design that would not infringe the patents that Otto had on the four-stroke [4] and which he would eventually call the Valveless Two-Stroke Engine. In fact there was at least one valve in Joseph Day's original design, a simple check valve in the inlet port communicating directly with the crankcase, where ...
The model 251 engine design was initiated in 1949 and, like the 244 engine, it had a bore (cylinder diameter) of 9 inches (229 mm), and a stroke of 10.5 inches (267 mm). Its designation combines Alco's identifier for that bore and stroke - 2 - with the year its design was approved for laboratory testing - 1951. Chief Engineer of Diesel Engine ...
Most engines have been water-cooled with inline (I) cylinders, but V types (V) and opposed (O) engines have also been used. Three air-cooled engines were used in two very light trucks. Gasoline engines up to WWII were often valve in block design (L-head), during the war more overhead valve (ohv) engines were used, and after the war all new ...