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For those looking for an alternative 4 stroke engine to the Rotax 912 and
Jabiru engines John Pescod of UL Power Engines from Belgium could have
just what you are looking for the UL260i. It is a modern direct drive,
boxer style, 4 cylinder, 2600 CC, 95 HP, light weight, air cooled, 3300
RPM aircraft engine, that features a fully electronic ignition and
multipoint fuel injection (FADEC) system as standard equipment.
This computer controlled electronic engine management system has been
used in the automotive rally industry for over 15 years. The system
monitors and automatically adjusts for engine temperature, oil
temperature, air temperature, and is pressure compensated so the pilot
only has to start the engine, and work the throttle control. The FADEC
system automatically adjusts for the fuel mixture etc for optimum
operation.
The engine components and crankshaft are all dynamically balanced,
which gives a very smooth vibration free engine installation. The engine
features a dual automotive style CDI ignition system, which is so
efficient that during a mag check the pilot will generally not notice
any difference in the engine rpm.
The engine uses a wet sump system, with an oil cooler. The oil system
has an oil thermostat in the system located directly behind the oil
filter, which will bring the engine temperature up to operating
temperature in about 5 minutes.
The original development and testing started nearly 5 years ago, with
first engine production and delivery of engines to customers in 2006.
Currently 35 engines have been delivered to customers, flying on nearly
30 different types of aircraft. For ease of mounting the engine is
supplied with 4 mounting positions that are identical to that use on the
Jabiru engine.
Currently there is one engine with over 1300 hours on it, but the
factory has set a 500 hour inspection period on the engine for their
first customers as a precautionary procedure.
Three engines have been sold to U.S. customers that are being installed on a Sonex, Europa, and Avid Flyer.
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