Rotax 447 Specifications

 

DESCRIPTION: Two-cycle, two-cylinder engine, oil in fuel lubrication
BORE: 67.5 mm (2.657 in.)
STROKE: 61 mm (2.40 in.)
DISPLACEMENT: 436.5 cc (26.635 cu. in.)
COMPRESSION RATIO: Theoretical 9.6, effective 6.3
POWER OUTPUT: 29.5 kw (40 HP) at 6000 rpm
TORQUE MAX.: 44.0 NM (32.5 ft. lbs.) at 6000 rpm
MAXIMUM RPM: 7000 RPM
DIRECTION OF ROTATION: Counter-clockwise, viewed towards PTO
CYLINDER: 2 light alloy cylinders w/ cast iron sleeves
PISTON: Aluminum cast piston with 2 rings
PISTON/CYLINDER CLEARANCE: 0.08- 0.09mm (.00315-.00354 in.)
IGNITION SYSTEM: Breakerless Ducati capacitor discharge ignition with magneto generator.
GENERATOR OUTPUT: AC 12V 110W + 30W
RECTIFIER-REGULATOR:
(optional)
a.) #9103 requires minimum load 12 W (1 amp.)
b.) #9251 requires no minimum load
IGNITION TIMING: 2.09 mm = .086" BTDC
CONTACT POINT GAP: 0.4 mm = .015"
SPARK PLUG: 12mm NGK B8ES
ELECTRODE GAP: .015" GAP
CARBURETOR: 1 X BING 36mm, with hand lever choke
FUEL PUMP: pneumatic fuel pump #6903
FUEL: Regular gasoline, octane not below 90 unleaded
LUBRICATION OF ENGINE: Super two stroke oil (AV-2)
MIXING RATIO: 50 TO 1 (2%)
STARTER: Rewind starter
optional: electric mag side without recoil option
REDUCTION GEARBOX "B": Reduction gear-box with Torsional shock absorber
RATIOS: 2.00 to 1, 2.238 to 1, 2.58 to 1
DIRECTION OF PROP ROTATION: Clockwise, viewed toward prop flange
COOLING: Air cooled by axial fan
WEIGHTS: Engine without carburetor, intake silencer, fuel pump
Exhaust System...................... 
Carb With Rubber Socket......... 2.0 lbs.......( 0.9 kg.)
Exhaust System (approx.)......... 10.8 lbs.......( 4.9 kg.)
Electric Start Kit (Optional)..... 7.70 lbs.......( 3.5 kg.)
Reduction Box "B" - Dry.............9.9 lbs.......(4.5 kg.)

 

Rotax 503 Specifications
DESCRIPTION: Two-cycle, two-cylinder engine, oil in fuel lubrication
BORE: 72.0mm (2.835 in.)
STROKE: 61mm (2.40 in.)
DIRECTION OF ROTATION: Counter- clockwise, viewed towards PTO (without reduction gear box)
DISPLACEMENT: 496.7 c.c. (30.31 cu. in.)
COMPRESSION RATIO: Theoretical 10.8 - effective 6.2
POWER OUTPUT: 34.0 kw (46 hp) configuration single carb.
MAXIMUM RPM: 6800 rpm.
DIRECTION OF ROTATION: Counter- clockwise, viewed towards PTO (without reduction gear box)
CYLINDER: 2 light alloy cylinders with cast iron sleeves
PISTON: Aluminum cast piston with 2 rings
PISTON/CYLINDER CLEARANCE: 0.07 - 0.08mm (.0028 - .0032 in.)
IGNITION SYSTEM: Breakerless Ducati capacitor discharge dual ignition with magneto generator.
GENERATOR OUTPUT: 170 W AC at 6000 rpm and 13.5 V RMS
RECTIFIER- REGULATOR: (optional) a.) #9103 requires min. load 12 W (1 amp) to regulate
b.) #9251 requires no min. load
IGNITION TIMING: 1.47mm = .059 in. (16 degrees B.T.D.C.)
SPARK PLUG: 14 mm NGK B8ES
ELECTRODE GAP: .015 in.
CARBURETOR: 1 x BING 36mm (1.42 in.) hand lever choke
FUEL PUMP: pneumatic fuel pump #6903 for single carb
FUEL: Regular or premium gasoline, octane not lower than 90 octane (unleaded fuels)
LUBRICATION OF ENGINE: Super 2- stroke oil (AV-2), proposed ASTM/CEC
STARTER: Rewind starter - standard
(optional) electric starter, magneto side without rewind starter
REDUCTION GEARBOX "B":
(optional)
Reduction gear box with torsional shock absorber, for propeller interia up to 3000 kg cm sq.
REDUCTION GEAR BOX "C":
(optional)
Reduction gear box with torsional shock absorber, for propeller interia up to 6000 kg cm sq.
RATIOS: 2.62 to 1, 3.00 to 1, 3.47 to 1, 4.00 to 1.
LUBRICATION OF GEAR BOX: Gear oil, GL5 or GL6, SAE 140EP, or 85 W-140 EP
DIRECTION OF PROP SHAFT ROTATION: Clockwise, viewed towards propeller flange.
COOLING: Air cooled by axial fan
WEIGHT: Engine wo/: carburetor, air filter, fuel pump, exhaust system...................................................67.0 lbs.......(30.4 kg )
2 carbs w/ sockets...................................4.0 lbs........(1.8 kg )
exhaust system assy...............................10.8 lbs........(4.9 kg )
2 air filter.................................................0.6 lbs........(0.3 kg )
electric start kit, mag end.1.......................7.7 lbs........(3.5 kg)
start kit, mag end.1...................................7.7 lbs........(3.5 kg )
Reduction box "B"....................................9.9 lbs........(4.5 kg )
Reduction box "C"..................................16.3 lbs........(8.1 kg )

OPTIONS:

  • Intake Silencer Kit with filter (requires jetting modifications)
  • After Muffler: Special after muffler fitted to exhaust canister (available in either weld-on type or clamp-on type)
  • Air filter: Two K&N RC 1200 or One K&N RC 2820
  • High Altitude Compensator: Automatic High Altitude adjustment of Carburetor calibration with modified Carburetor
  • Electric Start Kit: Electric start on MAG end.
  • Regulator/ Rectifier: #9103 Single phrase or #9251 three phase
  • Reduction Box: "B" box with ratios: 2.0 to 1, 2.238 to 1, or 2.58 to 1
  • Reduction Box "C" box with ratios: 2.62 to 1, 3.0 to 1, 3.4 to 1, 4.0 to 1

 

Rotax 582 Specifications
DESCRIPTION: Two cycle, two cylinder, rotary valve engine, oil-in-fuel lubrication or oil pump, liquid cooled, with integrated water pump
BORE: 76.0 mm (2.99 in.)
STROKE: 64.0 mm (2.52 in.)
DISPLACEMENT: 580.7 cc (35.44 cu. in.)
COMPRESSION: Theoretical: 11.5 - effective 5.75
POWER OUTPUT: 48 kw (64.4 HP SAE) at 6500 1/min
TORQUE: 75 nm (55.3 ft. lbs.) at 6,000 1/min.
MAX RPM: 6800 1/min.
DIRECTION OF ROTATION Counter- clockwise, viewed towards PTO
(Clockwise with Reduction installed)
CYLINDER: 2 light alloy cylinder with cast iron sleeves
PISTON: aluminum cast piston with 2 piston rings
PISTON/CYLINDER CLEARANCE: 0.06 mm (.0024")
CHT: Cylinder Head Temperatures
(Optional Values)
Normal: 110 C - 130 C or 230 F - 270 F
Maximum: 150 C or 300 F
Max. Difference: 10 C or 45 F
EGT: Exhaust Gas Temperatures Normal: 500 C - 620 C or 930 F - 1150 F
Maximum: 650 C or 1200 F
Max. Difference: 25 C or 45 F
Crankcase Temp. Max.: 80 C or 175 F
Cooling Liquid Temp Max.: 80 C or 175 F
IGNITION SYSTEM: Breakerless Ducati Capacitor Discharge Dual Ignition with magneto generator
GENERATOR OUTPUT: 170 Watts AC at 6000 RPM and 13.5 RMS
IGNITION TIMING: 1.96 mm or .077" (18 BTDC)
SPARK PLUG: 1.96 mm or .077" (18 BTDC)
ELECTRODE GAP: 0.5 mm (.02")
ROTARY VALVE TIMING: Opens: 130 BTDC Closes: 50 ATDC
CARBURETOR: 2 x Bing 54 36 mm Slide Valve
FUEL PUMP: Pneumatic fuel pump
FUEL: Regular or Premium Gasoline, octane number not below RON 90 (unleaded)
ENGINE LUBRICATION: Oil-in- fuel with Super two-cycle oil ASTM/CEC standard, mixing ratio
REDUCTION GEAR LUBRICATION: Gear oil API-GL5 or GL6, SAE 140 EP or 85W - 140 EP
PROPELLER SHAFT DIRECTION: Clockwise, viewed towards prop flange
STARTER: Rewind Starter Standard
STANDARD VERSION INCLUDES: Engine with carburetors w/ clamps, fuel pump, exhaust system
WEIGHT: Engine: wo/
exhaust, carb, fuel pump, radiator .lbs.......( 27.4 kg.)
2 Carburetors with flanges...........4.0 lbs.......( 1.8 kg.)
Exhaust system............................11.2 lbs.......( 5.1 kg.)
OPTIONAL EQUIPMENT: 2 air filters..............................................0.6 lbs.......( 0.3 kg.)
Double air filter.......................1.1 lbs........( 0.5 kg.)
Intake Silencer with filter...........2.4 lbs........( 1.1 kg.)
Integrated Radiator System
(#881-432) ...............................4.6 lbs........( 2.1 kg.)
Electric start kit, PTO side .......7.5 lbs........( 3.4 kg.)
Electric Start kit, MAG side .........9.9 lbs.........( 4.5 kg.)
Reduction box "B" (dry).....................17.6 lbs........(8.0 kg.)

 

Rotax 618 Specifications
DESCRIPTION: Two cylinder, two stroke liquid cooled engine with rotary valve inlet, with RAVE (adjustable variable exhaust), dual electronic ignition, integrated water pump and thermostat, exhaust system, electric start, model "C" or :E: gear box only, intake silencer, and oil injection.
BORE: 76.0 mm (2.99in.)
STROKE: 68.0 mm (2.68in.)
DISPLACEMENT: 617 cc (37.65 cu. in.)
COMPRESSION: Theoretical: 11.5 - effective 5.95
POWER OUTPUT: 48 kw (73.8 hp SAE) at 6750- 1/min
TORQUE: 75 nm (55.3 ft. lbs.) at 6,000 1/min.
MAX RPM: 6800
DIRECTION OF ROTATION: Counter- clockwise, viewed towards PTO
(Clockwise with Reduction installed)
CYLINDER: 2 light alloy cylinder with cast iron sleeves
PISTON: aluminum cast piston with 2 piston rings
PISTON/CYLINDER CLEARANCE: 0.06mm (.0024")
CHT: Cylinder Head Temperatures
(Optional Values)
Normal: 110C- 130C or 230F-270 F
Maximum: 150C or 300F
Max. Difference: 10C or 45F
EGT: Exhaust Gas Temperatures Normal: 500C - 620C or 930F - 1150F
Maximum: 650C or 1200F
Max. Difference: 25C or 45F
Crankcase Temp. Max.: 80C or 175F
Cooling Liquid Temp Max.: 80C or 175F
IGNITION SYSTEM: Breakerless Ducati Capacitor Discharge Dual Ignition with magneto generator
GENERATOR OUTPUT: 200 Watts AC at 6000prm and 13.5 RMS
IGNITION TIMING: 1.96mm or .077" (18 BTDC)
SPARK PLUG: 14mm NGK B8ES
ELECTRODE GAP: 0.5mm (.02")
ROTARY VALVE TIMING: Opens: 130 BTDC
Closes: 50 ATDC
CARBURETOR: 2 x Bing 54 36mm Slide Valve
FUEL PUMP: Pneumatic fuel pump
FUEL: Regular or Premium Gasoline, octane number not below RON 90 (unleaded)
LUBRICATION OF ENGINE: Oil-in- fuel with Super two-cycle oil ASTM/CEC standard, mixing ratio
LUBRICATION OF REDUCTION GEAR: Gear oil API-GL5 or GL6, SAE 140 EP or 85W - 140EP
DIRECTION OF PROPELLER SHAFT: Clockwise, viewed towards prop flange
STARTER: Rewind Starter Standard
STANDARD VERSION INCLUDES: Engine with carburetors w/ clamps, fuel pump, exhaust system
WEIGHT: Engine Block: ............................................ 68.3 lbs.
2 Carburetors ...............................................4.0 lbs.
Intake Silencer..............................................2.4 lbs.
Electric Starter..............................................7.7 lbs.
"C" Gear Box .............................................17.0 lbs.
Exhaust system .........................................13.2 lbs.
 

Rotax 912 Specifications  

                     

Bore:   79.5 mm (3.13 in.)
Stroke:   61.0 mm (2.40 in.)
Displacement:   1,211.2 cc (73.91 cu. in.)
Power output:   MAX: 80 hp @ 5500 rpm; IDLE: 1400 rpm
Torque max:   910 in. lb. @ 4800 rpm
Max rpm:   5800
Cylinder:   light alloy / Nicasil plated
Piston:   Aluminum cast with 3 piston rings
Valve train:   O.H. valve, hyd. lifters, pushrods, rocker arms
Cylinder head:   4 separate cylinder heads
Max. cyl. head temp:   150 deg. C (300 deg. F)
Compression ratio:   9:1
Crankshaft:   Case-hardened with 5 plain bearings
Cooling:   Liquid-cooled cylinder heads, air cooled cylinder
Lubrication:   Dry sump lub. with trochoid pump, cam shaft driven, oil return by BLOW-BY gas
Oil quantity:   3 liters (.8 US gal.), SAE 20W50 or SAE 30 high performance automotive oil API, S6, Mobil 1, 15W50, NO AVIATION OIL
Oil pressure:   NORMAL 58 psi (4 bar) @ 5500 rpm, MAX 72 psi (5 bar), MIN 22 psi (1.5 bar) @ 2800 rpm
Oil temperature:   NORMAL 90-110 deg. C (190-230 deg. F), MIN 50 deg. C (120 deg. F), MAX 140 deg. C (285 deg. F)
Oil flow rate:   3.4 gal. @5500 rpm
Ignition:   Capacitor discharge double ignition, generator with electronic advance and integrated magneto, redundant
Generator:   12 V / 250 W AC, 18 amp
Fuel:   Premium grade leaded gas, according to DIN 1600, ONORM C 1103 EURO SUPER ROZ 95 unleaded, according to DIN 51603, ONORM C1101
Pump:   Diaphragm type
Fuel pressure:   0.4 bar (5.8 psi)
Fuel consumption:   4.5 gal./hr. @ 75% cruise
Starter:   Integrated electric starter
Gear:   Integrated reduction gear with torsional shock absorption
Gear ratio:   2.27:1
Certification:   According to JAR 22, Austria TW 8/89, and Germany no. 4585
TBO:   1,200 hrs.
Direction of rotation:   Counter-clockwise, as viewed towards the propeller shaft