The KFM 112M is a four-cylinder,
four-stroke
A four-stroke (also four-cycle) engine is an internal combustion (IC) engine in which the piston completes four separate strokes while turning the crankshaft. A stroke refers to the full travel of the piston along the cylinder, in either directio ...
,
dual ignition
Dual Ignition is a system for spark-ignition engines, whereby critical ignition components, such as spark plugs and magnetos, are duplicated. Dual ignition is most commonly employed on aero engines,Crane, Dale: ''Dictionary of Aeronautical Terms ...
,
horizontally opposed
A flat engine is a piston engine where the cylinders are located on either side of a central crankshaft. Flat engines are also known as horizontally opposed engines, however this is distinct from the less common opposed-piston engine design, wh ...
aircraft engine
An aircraft engine, often referred to as an aero engine, is the power component of an aircraft propulsion system. Most aircraft engines are either piston engines or gas turbines, although a few have been rocket powered and in recent years many ...
designed for
ultralight aircraft
Ultralight aviation (called microlight aviation in some countries) is the flying of lightweight, 1- or 2-seat fixed-wing aircraft. Some countries differentiate between weight-shift control and conventional three-axis control aircraft with ailer ...
and
motor gliders.
The engine was designed and produced by the KFM (Komet Flight Motor) Aircraft Motors Division of
Italian American Motor Engineering
Italian American Motor Engineering (IAME) is an Italian company founded in 1968. It is the parent company of the "Parilla", "Komet" and "Sirio" brand names and is the largest kart engines manufacturer. Its factory is located in the province of Ber ...
of
Italy
Italy ( it, Italia ), officially the Italian Republic, ) or the Republic of Italy, is a country in Southern Europe. It is located in the middle of the Mediterranean Sea, and its territory largely coincides with the homonymous geographical re ...
as a follow-on engine to their
KFM 107
The KFM 107 is a two-cylinder, two-stroke, single ignition, horizontally opposed aircraft engine designed for ultralight aircraft and motor gliders.Cliche, Andre: ''Ultralight Aircraft Shopper's Guide'' 8th Edition, page G-5 Cybair Limited Publis ...
series and has been out of production since 1990.
Development
The KFM 112 is a conventional four-cylinder engine that is very compact and lightweight at only , including the starter, alternator and
carburetor
A carburetor (also spelled carburettor) is a device used by an internal combustion engine to control and mix air and fuel entering the engine. The primary method of adding fuel to the intake air is through the venturi tube in the main meteri ...
. The engine features dual
electronic ignition, a single OVC carburetor, hydraulic valve lifters, nickel-silicon treated cylinders and bi-metallic valves with chromed stems. It was offered without a reduction system. Starting is electric starter only.
The engine produces at 3400 rpm for three minutes for take-off, at 3200 rpm for five minutes and at 3090 rpm continuous.
Applications
*
Partenavia P.86 Mosquito __NOTOC__
The Partenavia P.86 Mosquito was a two-seat civil trainer aircraft first flown in Italy on 27 April 1986.Taylor 1988, p. 160. It was a high-wing monoplane of pod-and-boom construction with tricycle undercarriage and a twin tail, that ac ...
Specifications (112M)
See also
References
{{IAME
1980s aircraft piston engines