The Raven 1000 UL is an American
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 ...
, that was designed and produced by
Raven Redrives
Raven Rotorcraft (also called Raven Redrives and Raven Rotorcraft & Redrives, Inc.) is an American aircraft manufacturer based in El Prado, New Mexico and formerly of Boulder Colorado. The company specializes in the design and manufacture of a ...
of
El Prado, New Mexico
El Prado is an unincorporated suburb on the north side of Taos, in Taos County, New Mexico, United States. It is generally bounded on the south by the town of Taos, to the east by Taos Pueblo lands, to the north by Arroyo Seco and Arroyo Hondo, ...
for use in
ultralight
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
homebuilt aircraft
Homebuilt aircraft, also known as amateur-built aircraft or kit planes, are constructed by persons for whom this is not a professional activity. These aircraft may be constructed from "scratch", from plans, or from assembly kits.Armstrong, Kenn ...
.
[Bayerl, Robby; Martin Berkemeier; et al: ''World Directory of Leisure Aviation 2011-12'', pages 242-243. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X]
The company seems to have gone out of business in 2017 and production ended.
Design and development
The engine is a development of the
Suzuki G10 automotive engine
, there were a wide variety of propulsion systems available or potentially available for automobiles and other vehicles. Options included internal combustion engines fueled by petrol, diesel, propane, or natural gas; hybrid vehicles, plug-in hy ...
. It is a three-cylinder
in-line 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 ...
, liquid-cooled, gasoline engine design, with a custom-designed belt-type
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 ratio of 2.11:1. 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 engine#Ignition, rocket engines, etc. The widest ...
and produces at 5700 rpm.
Applications
*
Early Bird Jenny
The Early Bird Jenny is an American homebuilt aircraft that was designed by Dennis Wiley and produced by the Early Bird Aircraft Company of Erie, Colorado, also by Leading Edge Airfoils of Peyton, Colorado. When it was available the aircraf ...
Specifications (1000 UL)
See also
References
External links
*
{{Raven Rotorcraft aircraft
Raven aircraft engines
1980s aircraft piston engines