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Rotax 914

Rotax-914


The Rotax 914 is an Austrian turbo-charged, four-cylinder, horizontally opposed aircraft engine with air-cooled cylinders and water-cooled cylinder heads. Designed and built by Rotax the engine commonly powers certified light aircraft, homebuilt aircraft, autogyros and military UAVs such as the MQ-1 Predator.

The Rotax 914 is an 80 HP engine block that Rotax has added a Garrett Turbo to and boosted it to 115 HP for 5 minutes then full time 100 HP.  It has been a very popular engine for many years and is used by the US military in the Predator Drones.  The 914 does provide continuous sea level performance of 100 HP to over 12,000 feet.

 

The Rotax 914F is certified to FAR-33 and JAR-E. For takeoff 115 hp at 2385 prop rpm is available for a 5 minute maximum, and 100 hp at 2260 prop rpm continuous.
 
Rotax-914-F
Rotax 914F

 

Applications:
Aero Adventure Pegasus
Aerospool WT9 Dynamic
Air Copter A3C
Alisport Yuma
Alpi Pioneer 300
Australian Aircraft Kits Hornet STOL
AutoGyro MT-03
AutoGyro Calidus
AutoGyro Cavalon
B&F Fk14 Polaris
Bauer BAD-12 Gyrotrainer
Bushcaddy R-80
Bushcaddy R-120
The Butterfly Super Sky Cycle
Celier Kiss
Celier Xenon 2
Chayair Sycamore
Criquet Storch
Denel Dynamics Bateleur
Diamond HK36 Super Dimona
Dorna Parandeh Abi
Dova DV-1 Skylark
Dyn'Aéro MCR4S
Dynali H2S
ELA 07
Eurodisplay SR-01 Magic
Europa XS
FD-Composites ArrowCopter
Flying Legend Hawker Hurricane Replica
General Aviation Design Bureau T-32 Maverick
Heli-Sport CH-7 Kompress helicopter
IAI Heron
Idea Hydropteron
Just Superstol
Magni M-14 Scout
Magni M-24 Orion
M&D Flugzeugbau Samburo
MQ-1 Predator
NAL Hansa
Norman Aviation Nordic VI
Norman Aviation Nordic 8 Mini Explorer
Pagotto Brakogyro
Phenix Aviation Phenix
RMT Bateleur
Roko Aero NG4
Rotor Flight Dynamics Dominator
RotorSport UK Calidus
RotorSport UK MT-03
Softeks V-24 Lastochka
SlipStream Genesis
Stemme S10 motor glider
Titan T-51 Mustang
Ultravia Pelican
Wild DoubleEnder
Wüst Seahawk

 

Specifications:
914
Type: four-cylinder, four-stroke liquid- / air-cooled engine with opposed cylinders
Bore: 79.5 mm (3.13 in)
Stroke: 61 mm (2.4 in)
Displacement: 1,211.2 cc (73.91 cu in)
Length: 561 mm (22.1 in)
Width: 576 mm (22.7 in)
Dry weight: 78 kg (170 lb) with electric starter, carburetors, fuel pump, air filters and oil system
Valvetrain: OHV, hydraulic lifters, pushrods, rocker arms
Fuel system: Dual CD carburetors, mechanical diaphragm pump
Fuel type: Unleaded: 87 octane AKI (Canada/USA) / 90 octane RON (European) or higher
Oil system: Dry sump with trochoid pump, camshaft driven
Cooling system: Liquid-cooled cylinder heads, air-cooled cylinders
Reduction gear: Integrated reduction gear 1:2.273; 1:2.43 optional
Electronic dual ignition
Power output: Maximum 84 kW (115 hp) at 5,800 rpm, with 5 minute time limit; 73 kW (100 hp) continuous

 

914 UL DCDI
Cycle: turbo 4 stroke
No cylinders: 4
Bore: 79.5 mm
Stroke: 61 mm
Compression: 8.75
Displacement: 1211 cc
Cooling: air-liquid
Ignition: Electronic Ducati
Reduction: mechanical 2.27:1 torque limited
Weight: 67.5 kg
Max pwr: 115 hp at 5800 rpm
Max torque: 123 at 4800 rpm
Fuel consumption: 250 G/hp/hr
Price 1998: 112 131,47 Fttc

 

 

 

 

 

 

 

 

 


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