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STOL
CH 801
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Zenith
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HIGH-LIFT DESIGN
STOL CH 701
Bush Flying!
Follow
us:
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The Franklin aircraft engine
from PZL Franklin of Poland is another popular alternative engine choice for the STOL
CH 801 kit aircraft, providing plenty of power at an affordable cost.
Franklin-powered STOL CH 801
Click here for more photos
| Model |
6A-350-C1R |
| FAA Type Certificate No. |
E9EA |
| Rated Horsepower |
220 at
2800 RPM |
| Number of Cylinders |
6 |
| Compression Ratio |
10 :
5.1 |
| Displacement |
350
cu. inches |
| Bore |
4.625 Inches |
| Stroke |
3.5 Inches |
Engine Weight
(Dry - Without
Accessories) |
297 lbs. |
| Ignition: |
| Magnetos, Slick |
Model 6399 |
| Magnetos, Bendix |
S6RN - 21 |
| Ignition Timing,
BTC, Both Magnetos |
28 - 32 degrees |
| Firing Order |
1, 4, 5, 2, 3, 6 |
| Spark Plugs |
18mm |
| Fuel System: |
| Carburetor: Marvel Schebler |
MA-5 |
| Fuel - Minimum Octane - Aviation |
100/130 |
| Lubrication: |
| Wet Slump - Oil Capacity |
8.8
Qts. |
| Oil Grade, Above 41 Degrees Ambient
Air |
SAE 40 or 50 |
| Oil Grade, Below 41 Degrees Ambient
Air |
SAE 30 |
| Valve Clearance: |
| Valve Rocker Clearance With Lifters
Bled Down And Engine Cold |
0.036 - 0.044 inch |
| Operating Limits: |
| RPM - Maximum Limit |
2800 |
| RPM Idle |
750-950 |
| Cylinder Head Temp (Bayonet
Thermocouple) |
392
deg.F. |
| Oil Temperature - Maximum Inlet |
230
deg.F. |
| Oil Pressure - Operating Range |
55-80 PSI |
| Oil Pressure - Idle |
25 PSI |
| Fuel Pressure (Carb. Inlet) |
0.5 - 8.5 PSI |
Franklin Engine Mount:
Kobush
Welding and Machining, LLC of Martinsburg, Missouri, offers the STOL CH
801 engine mount for the Franklin 220-hp engine. The mount is designed by
Chris Heintz and built exclusively by Travis Kobush, a 13 year veteran
welder of Zenith Aircraft Co.
Contact Kobush Welding and Machining, LLC for information about the Franklin
or other custom engine mounts. Tel: 573-492-6538. Email: travis@kobushweldingandmachining.com
 
Franklin engine mount
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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