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HIGH-LIFT DESIGN
STOL CH 701
Bush Flying!
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The Walter-LOM
engine is manufactured in the Czech Republic and has developed an excellent reputation as
a low-cost and reliable aircraft engine. Represented in North America by Moravia
Ltd., service and spare parts are readily available. |
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Moravia is working together with aircraft manufacturers to establish Walter-LOM as a
standard engine option for the builder/pilot. Modern features found on the proven
engine, as well as the value of the complete engine firewall-forward package, will make
the Walter-LOM engine popular with many builders.
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Click following images for
full-size views:
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| Walter LOM 210-hp engine
installation in the STOL CH 801 (4/00) |
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| A custom engine mount has been
developed - the mount incorporates the nosewheel assembly, which has been moved forward to
accommodate the increased length of the Walter LOM engine. |
- Click here for more
photos of the engine and cowl.
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Walter-LOM M337A
210 HP, 6 cylinder
M337A Engine
Specifications:
| Horsepower, Max |
210 |
|
Propeller Drive |
direct |
| No. of cylinders |
6 |
Take-off (HP/RPM) |
210/2750 |
| Dry Weight (Lbs.) |
337 |
Cruise (HP/RPM) |
170/2600 |
| Bore (Inches) |
4.13 |
Consumption @ 2400 RPM (US Gal./Hour) |
10.6 |
| Stroke (Inches) |
4.53 |
Recommended Fuel (Octane) |
78 - 100 LL |
| Displacement |
364.3 cc. |
Crankshaft Rotation |
c'clockwise |
| Compression Ratio |
6.3:1 |
TBO (HRS) |
2000 |
Walter-LOM M337B
235 HP, 6 cylinder
M337B Engine
Specifications:
| Horsepower, Max |
235 |
|
Propeller Drive |
direct |
| No. of cylinders |
6 |
Take-off (HP/RPM) |
235/3000 |
| Dry Weight (Lbs.) |
339 |
Cruise (HP/RPM) |
170/2600 |
| Bore (Inches) |
4.13 |
Consumption @ 2400 RPM (US Gal./Hour) |
10.6 |
| Stroke (Inches) |
4.53 |
Recommended Fuel (Octane) |
78 - 100 LL |
| Displacement |
364.3 cc. |
Crankshaft Rotation |
c'clockwise |
| Compression Ratio |
6.3:1 |
TBO (HRS) |
2000 |
M337 Engine Features:
- SUPERCHARGED
- SMALL FRONTAL AREA
- INLINE - INVERTED
- FOUR STROKE
- DIRECT DRIVE
- AIR COOLED
- OVERHEAD CAMSHAFT
- HEMISPHERICAL COMBUSTION SPACE
- LOW SPECIFIC FUEL CONSUMPTION
- ALT. COMPENSATED FUEL INJECTION
- 2,000 HOURS TBO
Walter-LOM M332B
160 HP, 4 cylinder
M332B Engine
Specifications:
M332B Engine Features:
- SMALL FRONTAL AREA
- INLINE - INVERTED
- FOUR STROKE
- DIRECT DRIVE
- AIR COOLED
- OVERHEAD CAMSHAFT
- HEMISPHERICAL COMBUSTION SPACE
- LOW SPECIFIC FUEL CONSUMPTION
- ALT. COMPENSATED FUEL INJECTION
- 2,000 HOURS TBO
| Horsepower, Max |
160 |
|
Propeller Drive |
direct |
| No. of cylinders |
4 |
Take-off (HP/RPM) |
160/3000 |
| Power to weight ratio |
1.6 lb/HP |
Cruise (HP/RPM) |
120/2400 |
| Frontal area |
2.1 sq.ft. |
Consumption @ 2400 RPM (US Gal./Hour) |
7.6 |
| Bore (Inches) |
4.13 |
Recommended Fuel (Octane) |
78 - 100 LL |
| Stroke (Inches) |
4.53 |
Crankshaft Rotation |
c'clockwise |
| Displacement |
242.8 cc. |
TBO (HRS) |
2000 |
| Compression Ratio |
6.3:1 |
Dry Weight (Lbs.) |
250 |
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.
For more information on Walter-LOM engine represented by Moravia,
see http://www.moraviation.com Email: moravia@flash.lakeheadu.ca
- Click here for photos of
a Walter-LOM equipped STOL CH 801.
- Click here for
a flight report.
- Click here for
even more photos of the Walter-LOM engine and cowl.
The engine information presented above has been provided by
Moravia Ltd. The above
resources are provided for informational purposes only. Alternative
engines 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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