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F r o m W i k i p e d i a , t h e f r e e e n c y c l o p e d i a
( R e d i r e c t e d f r o m R o t a x 9 1 4 F )
Austrian turbocharged aircraft engine
The Rotax 914 is a turbo-charged , four-stroke , four-cylinder , horizontally opposed aircraft engine with air-cooled cylinders and water-cooled cylinder heads . It is designed and built by the Austrian company BRP-Powertrain, owned by Bombardier Recreational Products (BRP), as part of its Rotax brand.[3] [4] [5]
The engine commonly powers certified light aircraft, homebuilt aircraft , autogyros and military UAVs such as the MQ-1 Predator .
Design and development [ edit ]
Introduced in 1996, the Rotax 914 is a turbocharged development of the Rotax 912 .[2]
The Rotax 914 has a turbocharger with an automatic wastegate controller and dual carburetors . It features dual capacitor discharge ignition , liquid-cooled cylinder heads and air-cooled cylinder barrels, an electric starter, a built in propeller reduction gearbox , dry sump forced oil lubrication and has a separate oil tank. It has hydraulic valves that include automatic adjustment. Rotax can provide a purpose-designed air intake, exhaust system and engine mount.[3] [4] [6]
The 914 oil system differs from most dry-sump designs in that lubricating oil is forced into the storage tank by crankcase pressure rather than by a separate scavenge pump. This requires a novel preflight inspection procedure: before checking the oil level with the dipstick , the engine is "burped" by removing the oil filler cap and turning the propeller until a gurgling sound is heard, which indicates that all oil has been forced into the tank and the oil level can now be checked accurately.[2]
The 914 is more fuel efficient and lighter than similarly sized traditional engines, but originally had a shorter time between overhaul (TBO), restricting its market potential. On introduction, the TBO was only 600 hours, which was double that of previous Rotax engines but far short of existing engines of comparable size and power. However, by 1999 the TBO had been increased to 1,000 hours, and it was increased again to 2,000 hours in 2010.[2]
The engine can be operated on 100LL leaded avgas or on unleaded regular automotive gasoline , with a minimum RON of 95.[4] [7] synthetic oil because it cannot hold lead in suspension; consequently, using leaded fuel mandates additional maintenance, and unleaded fuel is recommended.[2]
Variants [ edit ]
914 F
Family of engine versions certified to US Federal Aviation Administration FAR 33 and EASA JAR-E. These include:[4] [6] [7] [8]
914 UL
Non-certified engine version for homebuilt and ultralight aircraft .[4] [6]
Applications [ edit ]
Aerospool WT9 Dynamic
Aerospool WT10 Advantic
Air Copter A3C
Alisport Yuma
Alpi Pioneer 300
Alpi Pioneer 400T
Australian Aircraft Kits Hornet STOL
AutoGyro MT-03
AutoGyro Calidus
AutoGyro Cavalon
Aviomania Genesis Duo G2SA
B&F Fk14 Polaris
Bauer BAD-12 Gyrotrainer
Blackshape Prime
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
DTA J-RO
Dyn'Aéro MCR4S
Dynali H2S
Dynali H3 EasyFlyer
ELA 07
ELA 10 Eclipse
Elbit Hermes 900
Eurodisplay SR-01 Magic
Europa XS
FD-Composites ArrowCopter
Flying Legend Hawker Hurricane Replica
General Aviation Design Bureau T-32 Maverick
HB Flugtechnik HB-207 Alfa
Heli-Sport CH-7 Kompress helicopter
Heli-Sport CH77 Ranabot helicopter
Ibis GS-501 Urraco
IAI Heron
Idea Hydropteron
Just Superstol
Magni M-14 Scout
Magni M-24 Orion
Qods Mohajer-6
M&D Flugzeugbau Samburo
MQ-1 Predator
NAL Hansa
Norman Aviation Nordic VI
Norman Aviation Nordic 8 Mini Explorer
Pagotto Brakogyro
Pelegrin Tarragon
Phenix Aviation Phenix
Progressive Aerodyne SeaRey
RMT Bateleur
Roko Aero NG4
Rokospol Via
Rotor Flight Dynamics Dominator
RotorSport UK Calidus
RotorSport UK MT-03
Rotorvox C2A
Scheibe Falke
Shaanxi Baojii Special Vehicles Lie Ying Falcon
Shahed 129
SkyCruiser Autogyro SkyCruiser
SkyStar Pulsar
Softeks V-24 Lastochka
Sonaca 200
SlipStream Genesis
Stemme S10 motor glider
Storm 300
Storm RG Fury
Titan T-51 Mustang
Titanium Explorer
TL-Ultralight Stream
Trixy Liberty
Ultravia Pelican
Wild DoubleEnder
Wüst Seahawk
Specifications (914) [ edit ]
General characteristics
Type: four-cylinder, four-stroke liquid- / air-cooled engine with opposed cylinders
Bore :in )
Stroke :in )
Displacement :in )
Length: 561 mm (22.1 in )
Width: 576 mm (22.7 in )
Dry weight :lb ) with electric starter, carburetors, fuel pump, air filters and oil system
Components
Valvetrain :
Fuel system: Dual CD carburetors, mechanical diaphragm pump
Fuel type: Unleaded: 91 octane AKI (Canada/USA) / 95 octane RON (European) or higher[9]
Oil system: Dry sump with trochoid pump , camshaft driven
Cooling system: Liquid-cooled cylinder heads, air-cooled cylinders
Reduction gear :
Electronic dual ignition
Performance
Power output: Maximum 84 kW (115 hp ) at 5,800 rpm, with 5 minute time limit; 73 kW (100 hp ) continuous
See also [ edit ]
Related lists
References [ edit ]
^ a b Bayerl, Robby; Martin Berkemeier; et al: World Directory of Leisure Aviation 2011-12 , pages 242-243. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X
^ a b c d e Tacke, Willi; Marino Boric; et al: World Directory of Light Aviation 2015-16 , pages 260-261. Flying Pages Europe SARL, 2015. ISSN 1368-485X
^ Rotax (2005). "Engine Models" . rotax.com . Archived from the original on 18 March 2007. Retrieved 13 March 2020 .
^ a b c Rotax . "Rotax 914 UL/F" . flyrotax.com . Archived from the original on 15 September 2018. Retrieved 13 March 2020 .
^ a b c d e Federal Aviation Administration (11 October 2016). "Type Certificate Data Sheet No. E00058NE Revision 4" (PDF) . Archived from the original (PDF) on 13 November 2016. Retrieved 13 March 2020 .
^ a b c d European Aviation Safety Agency (5 September 2016). "EASA Aircraft Type Certificates – E.122" (PDF) . Archived from the original (PDF) on 14 March 2020. Retrieved 14 March 2020 .
^ OM-914 Operator's Manual 914 Series
External links [ edit ]
Wikimedia Commons has media related to
Rotax 914 .
R e t r i e v e d f r o m " https://en.wikipedia.org/w/index.php?title=Rotax_914&oldid=1184494015 " C a t e g o r i e s : ● B o x e r e n g i n e s ● R o t a x e n g i n e s ● 1 9 9 0 s a i r c r a f t p i s t o n e n g i n e s H i d d e n c a t e g o r i e s : ● A r t i c l e s w i t h s h o r t d e s c r i p t i o n ● S h o r t d e s c r i p t i o n m a t c h e s W i k i d a t a ● U s e d m y d a t e s f r o m O c t o b e r 2 0 2 3 ● U s e A m e r i c a n E n g l i s h f r o m M a r c h 2 0 2 3 ● A l l W i k i p e d i a a r t i c l e s w r i t t e n i n A m e r i c a n E n g l i s h ● C o m m o n s c a t e g o r y l i n k f r o m W i k i d a t a ● O f f i c i a l w e b s i t e n o t i n W i k i d a t a
● T h i s p a g e w a s l a s t e d i t e d o n 1 0 N o v e m b e r 2 0 2 3 , a t 1 9 : 3 6 ( U T C ) . ● T e x t i s a v a i l a b l e u n d e r t h e C r e a t i v e C o m m o n s A t t r i b u t i o n - S h a r e A l i k e L i c e n s e 4 . 0 ;
a d d i t i o n a l t e r m s m a y a p p l y . B y u s i n g t h i s s i t e , y o u a g r e e t o t h e T e r m s o f U s e a n d P r i v a c y P o l i c y . W i k i p e d i a ® i s a r e g i s t e r e d t r a d e m a r k o f t h e W i k i m e d i a F o u n d a t i o n , I n c . , a n o n - p r o f i t o r g a n i z a t i o n . ● P r i v a c y p o l i c y ● A b o u t W i k i p e d i a ● D i s c l a i m e r s ● C o n t a c t W i k i p e d i a ● C o d e o f C o n d u c t ● D e v e l o p e r s ● S t a t i s t i c s ● C o o k i e s t a t e m e n t ● M o b i l e v i e w
