The Loravia LOR 75 is a French
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 ma ...
, designed and produced by
Loravia of
Yutz 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 Aircraft flight control system, conventional three-a ...
. It was introduced in 2009.
[Tacke, Willi; Marino Boric; et al: ''World Directory of Light Aviation 2015–16'', pages 258–259. Flying Pages Europe SARL, 2015. ]
By March 2018, the engine was no longer advertised on the company website and seems to be out of production.
Design and development
The LOR 75 is a three-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 direct ...
,
in-line, displacement, liquid-cooled,
automotive conversion petrol engine design, with a toothed 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 ...
with reduction ratios of 2.46 and 3.72:1. It employs
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 engines, etc. The widest application for spark i ...
and produces at 6000 rpm, with a
compression ratio
The compression ratio is the ratio between the volume of the cylinder and combustion chamber in an internal combustion engine at their maximum and minimum values.
A fundamental specification for such engines, it is measured two ways: the stati ...
of 10.5.
Applications
*
Best Off Skyranger
*
Gdecouv'R trike
*
Rans S-6 Coyote II
Specifications (LOR 75)
See also
References
{{Reflist
External links
Press release and photo of engine
Loravia aircraft engines
Liquid-cooled aircraft piston engines
2000s aircraft piston engines