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CH 801
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Zenith
Aircraft Co.
Home
HIGH-LIFT DESIGN
STOL CH 701
Bush Flying!
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The prototype
STOL CH 801 was first equipped with the Cross Flow Aero CF4-20 Subaru automotive
conversion engine. Many other engine types, ranging from 150 to 225 hp, are
suitable for installation in the STOL CH 801, including the proven 180-hp Lycoming O-360 engine,
which is the standard powerplant for the STOL CH 801.
Cross Flow
Aero CF4-20 (180 hp)
Subaru Conversion |
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CF4-20 Engine
Specifications:
| Performance |
180 hp at 5800 rpm |
|
Alternator |
35 - 55 amps |
| Reduction Ratio |
2.1 : 1 |
Spark Plug |
N K G Racing |
| Compression Ratio |
10.1:1 |
Fuel |
Premium automotive fuel or 100 LL |
| Torque at Prop |
402.6 ft lbs |
Oil |
15W50 Synthetic |
| Fuel Consumption |
7 gph |
Cooling liquid |
100% BASF glysanthin anticorrosion |
| Displacement |
2000cc |
Fuel System |
multi port fuel injection |
| Bore |
92 mm |
Ignition |
Direct Fired (17° BTDC) |
| Stroke |
75 mm |
Weight |
under 340 lbs wet |
CF4-20 Conversion
Features:
| Planetary Gear Drive |
- maintenance free, simple reliable construction
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| Exhaust system including: |
- 4 into 1 header, resonator and mounting bracket
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| Fuel system including: |
- 1 high pressure fuel pump and fuel filter
- AEROquip fuel lines and fittings
- mounting clamps and ‘AN’ bulkhead connectors
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| Electrical System including: |
- engine CPU (Processing Unit)
- prewired engine with quick connect firewall plug
- all wiring is aircraft mil. Spec. MIL-W-22759/16 covered
with Cole-flex nylon braid fire resistant sleeving
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Crossflow Aero Corporation converts Subaru
automotive engines for experimental aircraft, and is based out of Palgrave, Ontario,
Canada. The company has been doing high performance engine conversions and
modifications for over 30 years. The last 3 years have been spent developing, modifying
and converting automotive engines, creating the unique line of Crossflow powerplants.
Other Subaru automotive conversions may be available / suitable for
installation in the STOL CH 801.
For more information on Crossflow Aero Corporation, see
http://www.crossflow.com
The engine information presented above has been provided by
Crossflow Aero Corp. The above resources are provided for informational
purposes only. Alternative engines will affect performance, specifications
and flight characteristics of the aircraft. Also, the weight and balance of
the aircraft may be adversely affected by alternative engines, and the
original fuel system may not be adequate or suitable for some engines. Most
alternative engines will require a custom engine mount and engine cowl.
Zenith Aircraft Company does not manufacture or directly support engines.
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