The Simonini Mini 4 is an Italian
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 and produced by
Simonini Racing of
San Dalmazio di Serramazzoni
Serramazzoni ( Serramazzonese: ) is a ''comune'' (municipality) in the Province of Modena in the Italian region Emilia-Romagna, located about west of Bologna and about southwest of Modena.
Serramazzoni borders the following municipalities: Fiora ...
for use in
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 ...
.
[Bayerl, Robby; Martin Berkemeier; et al: ''World Directory of Leisure Aviation 2011-12'', pages 242-243. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X]
Design and development
The Mini 4 is a single cylinder
two-stroke
A two-stroke (or two-stroke cycle) engine is a type of internal combustion engine that completes a Thermodynamic power cycle, power cycle with two strokes (up and down movements) of the piston during one power cycle, this power cycle being comple ...
, air-cooled, petrol engine design, with a poly V belt
reduction drive
A reduction drive is a mechanical device to shift rotational speed. A planetary reduction drive is a small scale version using ball bearings in an epicyclic arrangement instead of toothed gears.
Reduction drives are used in engines of all kinds t ...
with reduction ratios of 2.56:1 and 2.78:1. It employs
capacitor discharge ignition
Capacitor discharge ignition (CDI) or thyristor ignition is a type of automotive electronic ignition system which is widely used in outboard motors, motorcycles, lawn mowers, chainsaws, small engines, turbine-powered aircraft, and some cars. It w ...
electronic ignition
An ignition system generates a spark or heats an electrode to a high temperature to ignite a fuel-air mixture in spark ignition internal combustion engines, oil-fired and gas-fired boilers, Rocket engine#Ignition, rocket engines, etc. The widest ...
and produces at 7200 rpm.
Specifications (Mini 4)
See also
References
External links
*
{{Simonini aeroengines
Air-cooled aircraft piston engines
Simonini aircraft engines
Two-stroke aircraft piston engines