Certainly if you have researched the market, part of your quest has been to find the perfect engine at the perfect price with the perfect performance, it is almost like seeking the Holy Grail but like the Holy Grail, it is almost elusive. Having been in the industry since 1988, we have seen engine companies come and go and we have researched the market and tested several to know what works and what doesn’t work and most importantly who is still around and who is there to stand behind their products. The key to finding that “perfect” engine, is to also find a company that has been around for a long time and who are available for tech support, parts and service. We are proud to say that the engines we use on our Chinook and Beaver aircraft have been around for years and have shown both their support in their products as well as their excellence in customer service. We are satisfied that by offering both 2 stroke and 4 stroke engines
with different HP and performance that we can satisfy even the tightest budget or the pickiest buyer. Here are the details of our Engine Choices:
ROTAX ENGINES
ROTAX ENGINEERS CAN RELY ON AN INCREDIBLE WEALTH OF EXPERIENCE AS FAR AS THE BUSINESS OF MANUFACTURING AIRCRAFT ENGINES IS CONCERNED. ROTAX PRODUCES ANNUALLY MORE THAN 200,000 ENGINES FOR PERSONAL WATERCRAFT, ALL TERRAIN VEHICLES, SNOWMOBILE, MOTORCYCLE, KART AND AIRCRAFT. OUT OF THIS EXTENSIVE KNOW-HOW ARISE TOP QUALITY PRODUCTS: MAINTAINING FIXED VALUE, MATURITYAND CONTINUALLY AT THE FOREFRONT OF TECHNOLOGY – EQUIPPED WITH A CLASS LEADING POWER TO WEIGHT RATIO! IT GOES WITHOUT SAYING THAT DEVELOPMENT, MANUFACTURING AND ASSEMBLY FULFILL APPLICABLE FAA/EASA REGULATIONS.
IN ADDITION, THE HIGHEST QUALITY ROTAX PRODUCTS ARE COMPLEMENTED BY A WORLDWIDE DISTRIBUTION NETWORK, GUARANTEEING SERVICE AND AVAILABILITY OF PARTS. WITH THIS IN MIND, ROTAX OFFERS A NUMBER OF DIFFERENT ENGINE TYPES AND ACCESSORIES FOR THE CUSTOMERS VARIOUS REQUIREMENTS OVER AND ABOVE THAT ROTAX OFFERS A MINIMUM 10 YEAR AVAILABILITY GUARANTEE ON ALL SPARES.
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ROTAX 503 – 2 STROKE – 50 HP AIR COOLED
THE ROTAX 503 IN ITS SIMPLICITY AND EASE IN MAINTENANCE HAS BEEN IN THE LIGHT AIRCRAFT INDUSTRY FOR SO LONG NOW, THAT MANY PEOPLE IN OUR INDUSTRY REFER TO IT AS ALMOST “BULLET” PROOF. THE 503 IS MOUNTED INVERTED ON THE CHINOOK AND WE OFFER IT WITH EITHER THE B BOX OR THE E GEAR BOX (E BOX IS THE MORE UPDATED GEAR BOX WITH BUILT IN DAMPNER FOR BETTER PROP VIBRATION ABSORPTION AND THE BUILT IN ELECTRIC START). MANY OF OUR CUSTOMERS HAVE INSTALLED THE ROTAX 503 AND THEY HAVE BEEN SURPRISED TO SEE HOW WELL IT PERFORMS AND HOW EASY IT IS TO INSTALL AND MAINTAIN.
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2 cylinder,
2 stroke fan cooled engine with piston ported inlet,
electronic single ignition, exhaust system,
rewind starter. Single or dual carburetor options
available.
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to 2 Stroke Engines
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Version
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Performance
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Torque
|
Max
RPM
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|
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kW
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HP
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RPM
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Nm
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ft. lb.
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RPM
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RPM
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447 UL-SCDI
Single Carb
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29.5
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39.6
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6500
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46
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34.0
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6000
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6800
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447 UL-SCDI
Dual Carb
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31.0
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41.6
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6500
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47
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34.7
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6000
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6800
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Bore
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Stroke
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Displacement
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Compression
Ratio
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67.5 mm
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2.66 in.
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61 mm
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2.40 in.
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436.5 cm3
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26.64 cu.
in.
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th: 9.6
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ef: 6.3
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ROTAX 582 – 2 STROKE – 65 HP LIQUID COOLED
THE ROTAX 582 IS A LIQUID COOLED ENGINE AND WITH ITS 65 HP, MAKES AN EXCELLENT WHEEL AND FLOAT PLANE. THE ROTAX 582 AFFORDS THE PILOT THE EXTRA HP FOR OPTIMAL TAKEOFF AND PERFORMANCE. WE ALSO OFFER THE ROTAX 582 WITH THE CHOICE OF THE B OR E GEAR BOX AND IT IS ALSO MOUNTED INVERTED ON THE CHINOOK BUT UPRIGHT ON THE BEAVER. THIS LIQUID COOLED ENGINE REQUIRES A RAD SYSTEM AND COMES WITH THE STANDARD OIL INJECTION SYSTEM. AS WITH ALL OUR PACKAGE PRICES, THE RAD AND OIL INJECTION SYSTEM ARE INCLUDED IN THE COST. POPULAR ENGINE CHOICE FOR OUR FLOAT PLANE CHINOOKS WORLDWIDE.
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2 cylinder,
2 stroke liquid cooled engine with rotary valve inlet,
electronic dual ignition, dual circuit cooling system
with integrated water pump and thermostat, exhaust
system, rewind starter. Single or dual carburetor
options available.
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to 2 Stroke Engines
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Version
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Performance
|
Torque
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Max
RPM
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|
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kW
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HP
|
RPM
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Nm
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ft. lb.
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RPM
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RPM
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582 UL-DCDI
Single Carb
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40
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53.6
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6000
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68
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50.1
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5500
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6400
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582 UL-DCDI
Dual Carb
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48
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65.0
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6500
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75
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55.3
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6000
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6800
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Bore
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Stroke
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Displacement
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Compression
Ratio
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76 mm
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2.99 in.
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64 mm
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2.25 in.
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580.7 cm3
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35.44 cu.
in.
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th: 11.5
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ef: 5.75
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ROTAX 912 – 4 STROKE – 80 HP LIQUID/AIR COOLED
WE REFER TO THE ROTAX 912 AS THE “OPTIMAL” OF ENGINE CHOICES THAT WE INSTALL ON OUR CHINOOK PLUS 2. THIS 4 STROKE LIQUID/AIR COOLED ENGINE WITH OPPOSED CYLINDERS AND AWESOME 80 HP, HAS BECOME OUR MOST POPULAR ENGINE CHOICE. THE INCREDIBLE 1500 HOUR TBO, THE PERFORMANCE OF THIS 80 HP ENGINE AND THE RELIABILITY OF THE 4 STROKE HAS MADE THIS THE ENGINE THAT PEOPLE MOST ASK FOR. THEY REALIZE THAT INSTALLING THE ROTAX 912, GIVES THEM THE ABILITY TO HAVE ALLTHE OPTIONS AVAILABLE FROM WHEELS, TO FLOATS TO AMPHIBIOUS FLOATS AND IT AFFORDS THEM THE BEST PERFORMANCE IN CLIMB AND TAKEOFF POWER THEN ANY OTHER ENGINE WE USE. THE VALUE OF THIS ENGINE IS INCREDIBLE WHEN YOU CONSIDER THE LONG OVERHAUL SCHEDULE, AND THE GREAT FUEL CONSUMPTION PLUS THE PERFORMANCE OFFERED BY THE 80 HP, IT’S NO WONDER EVERYONE LOVES THE 912.
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4 cylinder,
4 stroke liquid/air cooled engine with opposed
cylinders, dry sump forced lubrication with seperate 3l
(.8 gal US) oil tank, automatic adjustment by hydraulic
valve tappet, 2 CD carburetors, mechanical fuel pump,
electronic dual ignition, electric starter, integrated
reduction gear i= 2.273 (optional 2.43).
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to 4 Stroke Engines
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Version
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Performance
|
Torque
|
Max
RPM
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|
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kW
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HP
|
RPM
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Nm
|
ft. lb.
|
RPM
|
RPM
|
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912 UL2
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58.0
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79
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5500
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103
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75.9
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4800
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5800
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Max 5 min
(take-off)
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59.6
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81
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5800
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Bore
|
Stroke
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Displacement
|
Compression
Ratio
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79.5 mm
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3.13 in.
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61 mm
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2.4 in.
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1211.2 cm3
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73.91 cu.
in.
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9.0:1
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Options
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912
UL 3
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Suitable for
'Constant
Speed' propellers.
Includes:
drive for hydraulic variable speed governor
Woodward variable speed governor (part# 886 730)
Slipper clutch for reduction gear box.
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912 UL 4
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Suitable for 'fixed
pitch' propellers
Same as Rotax 912 UL2 but fitted with propeller shaft
that would allow the engine to be converted to a 912 UL
3 for use with a constant speed propeller.
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ROTAX GEAR BOXES
Gear Reduction Drives
With Torsional Vibration Damping
All Rotax 2 Stroke aircraft engines can be fitted with one of the following
gear reduction drive units.

Type 'B' Gear Reduction Drive
For Rotax 447, 503 and 582 engines.
Rated for a propeller mass moment of inertia of up to 3000 kgcm2.
Available reduction ratios: 2.58 to 1, 2.24 to 1, 2.00 to 1
Type 'E' Gear Reduction Drive
For Rotax 503, 582 and 618 engines.
Rated for a propeller mass moment of inertia of up to 6000 kgcm2.
Includes integrated electric starter
Available reduction ratios: 2.62 to 1, 3.00 to 1, 3.47 to 1, 4.00 to 1
When ordering an engine complete with gearbox, please supply
the following information:
Engine mounted spark plugs up (Code S).
Engine mounted spark plugs down (Code H).
Propeller shaft offset towards cylinders (Code Z).
Propeller shaft offset towards engine base (Code S).
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HKS 700E ENGINE
THE HKS 700E IS A 60 HP, HORIZONTALLY OPPOSED, TWO CYLINDER, FOUR-STROKE ENGINE. THE 700E USES A COMBINATION OF HIGH TECHNOLOGY AND SIMPLICITY TO ACHIEVE THE TWIN GOALS OF HIGH POWER OUTPUT AND RELIABILITY. THE 700E IS A VERY HIGH QUALITY PRODUCT PRODUCED IN JAPAN AND MADE AVAILABLE IN THE NORTH AMERICAN MARKET SINCE 1997. EVERY MAJOR COMPONENT WAS DESIGNED FOR LIGHT AIRCRAFT USE AND IS MADE FROM THE BEST MATERIALS AND TECHNIQUES AVAILABLE.
THE HKS 4 STROKE -
60 HP AIR COOLED CYLINDERS AND OIL COOLED CYLINDER HEADS
THE HKS ENGINE CONTINUES TO OFFER OUR CUSTOMERS AN EXCELLENT 4 STROKE ENGINE CHOICE. INSTALLED ON OUR CHINOOK PLUS 2 SINCE 1998 AND OUR BEAVER RX550 PLUS SINCE 2001, THE NOW 800 TBO ENGINE AND BEST FUEL CONSUMER, HAS BECOME VERY POPULAR AMONGST OUR CHINOOK AND BEAVER CUSTOMERS. INSTALLED UPRIGHT ON THE CHINOOK AND BEAVER, THE HKS IS A VERY HIGH TORQUE ENGINE AND ON TAKEOFF IT LAGS SLIGHTLY BEHIND THE ROTAX 582 BUT QUICKLY CATCHES UP BECAUSE OF THE HIGH TORQUE. THE SUPPORT AND THE EXCELLENCE FROM BOTH THE HKS MANUFACTURE AND HPOWER DISTRIBUTOR, MAKE THIS ENGINE A WINNER!!!
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2 Cylinders 4-Stroke Engine with Horizontally Opposed Cylinders 4 Valves per Cylinder
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Version
|
Performance
|
Torque
|
Max
RPM
|
|
|
kW
|
HP
|
RPM
|
Nm
|
ft. lb.
|
RPM
|
RPM
|
|
|
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56
|
5800
|
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50.6
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5000
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6200
|
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60
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6200
|
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|
|
|
|
Bore
|
Stroke
|
Displacement
|
Compression
Ratio
|
|
85 mm
|
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60 mm
|
|
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680 cc
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11.3:1
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Options
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Cylinders:
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Nickel Ceramic Composite Coated Cylinders
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Pistons: |
PVD Coated Piston Rings |
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Valve Gap: |
Automatic Adjustment by
Hydraulic Lifters |
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Camshaft: |
One Central
Camshaft-Pushrods-OHV |
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Direction
of Rotation: |
Counter-Clockwise (Looking
from pilot's seat, tractor configuration) |
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Cooling:
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Air-Cooled Cylinders
Oil-Cooled Cylinder heads |
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Lubrication: |
Dry Sump Forced Lubrication
by Trochoid Pump, Camshaft Driven (Pressure pump &
scavenge pumps equipped) |
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Ignition
System: |
Dual CDI (Capacative
Discharge Ignition) |
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Generator
Output: |
AC-12 Volts 210 Watts |
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Regulator/Rectifier: |
Three-Phase Regulator |
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Starter: |
Electric Only |
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Spark
Plugs: |
HKS S40i (NGK Heat Range
#8) |
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Electrode
Spacing: |
0.8 mm (.031") |
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Fuel
Consumption:
|
Approx 9 Liters/ Hour at
4750 rpm
Approx 2.38 Gallons/ Hour at 4750 rpm |
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Reduction
Gear: |
Integrated With Torsional
Shock Absorption |
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TBO: |
800 Hours (Expect higher
TBO with fleet experience) |
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Weights: |
Engine: 49.1 kg/ 108 lbs. |
Engine:
Dry, With all Electrical
Equipment, Electric Starter,
Carburetors and Gearbox |
Exhaust System: 3.2kgs/ 7lbs
Oil Tanks & Cooler: 2.7kgs/ 6lbs
Totals: 55.0kgs/ 121lbs |
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Reduction Box: |
"A"Box with Ratio:
2.58
"B" Box with Ratio: 3.47 |
HKS
GEARBOX
THE INTEGRAL GEARBOX ON THE 700E USES STRAIGHT CUT GEARS WITH A SPRING-WASHER TYPE TORSIONAL COUPLING AHEAD OF THE LARGE FLYWHEEL. THE GEARBOX IS ATTACHED TO THE FLYWHEEL CASE, THE GEARS ARE LUBRICATED BY THE MAIN ENGINE OIL SYSTEM, THE SAME AS THE ROTAX 912 FOUR-STROKE. THE STANDARD GEAR RATIO IS 2.58:1
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