Airtrike 850ti
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The Airtrike 850ti is a German
aircraft engine An aircraft engine, often referred to as an aero engine, is the power component of an aircraft propulsion system. Aircraft using power components are referred to as powered flight. Most aircraft engines are either piston engines or gas turbin ...
, that was designed and produced by Airtrike of
Berlin Berlin ( ; ) is the Capital of Germany, capital and largest city of Germany, by both area and List of cities in Germany by population, population. With 3.7 million inhabitants, it has the List of cities in the European Union by population withi ...
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 ...
and in particular their Airtrike Eagle 5 design.Tacke, Willi; Marino Boric; et al: ''World Directory of Light Aviation 2015-16'', pages 256-257. Flying Pages Europe SARL, 2015. Bayerl, Robby; Martin Berkemeier; et al: ''World Directory of Leisure Aviation 2011-12'', page 203. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X The manufacturer entered
liquidation Liquidation is the process in accounting by which a Company (law), company is brought to an end. The assets and property of the business are redistributed. When a firm has been liquidated, it is sometimes referred to as :wikt:wind up#Noun, w ...
on 1 January 2017.


Design and development

The engine is an in-line twin-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 ...
, displacement, liquid-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 ...
with reduction ratios from 2.0:1 to 4.5:1. It employs dual
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, gas turbine-powered aircraft, and some cars ...
and produces at 6500 rpm, with a
compression ratio The compression ratio is the ratio between the maximum and minimum volume during the compression stage of the power cycle in a piston or Wankel engine. A fundamental specification for such engines, it can be measured in two different ways. Th ...
of 9:1.


Applications

* Airtrike Eagle 5


Specifications (850ti)


See also


References


External links

*{{Official website, http://www.airtrikeberlin.de Airtrike aircraft engines Liquid-cooled aircraft piston engines 2010s aircraft piston engines