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Lycoming O-235

From PlaneSpottingWorld, for aviation fans everywhere

The Lycoming O-235 is a family of four cylinder, air-cooled, horizontally-opposed piston aircraft engines that produce between 100 and 135 hp (75 to 100 kW), derived from the earlier O-233 engine.[1][2]

Well known designs that use versions of the O-235 included the Cessna 152, Grumman American AA-1 series, Beechcraft Model 77 Skipper, Piper PA-38 Tomahawk and the Piper PA-22-108 Colt.

Development

The engines are all carburetor-equipped, feature dual magneto ignition and have a displacement of 233 cubic inches (3.82 L).

The O-235 was developed into the lighter-weight Lycoming IO-233 engine for light sport aircraft.[3]

Variants

O-235-C1
Power Template:Convert at 2800 rpm, dry weight Template:Convert Provision for dual pump drives, tractor and pusher installation.[2]
O-235-C1A
Power Template:Convert at 2450 rpm, dry weight Template:Convert Similar to O-235-C1 except ignition timing, lower rpm and horsepower. Optional 2 position or automatic propeller governor drive.[2]
O-235-C1B
Power Template:Convert at 2800 rpm, dry weight Template:Convert Similar to O-235-C1 except with retarded breaker magnetos.[2]
O-235-C1C
Power Template:Convert at 2600 rpm, dry weight Template:Convert Similar to O-235-C1 except with Slick magnetos.[2]
O-235-C2A
Power Template:Convert at 2800 rpm, dry weight Template:Convert Similar to O-235-C1 except with a type 1 propeller flange.[2]
O-235-C2B
Power Template:Convert at 2800 rpm, dry weight Template:Convert Similar to O-235-C2A but with two S-1200 series magnetos.[2]
O-235-C2C
Power Template:Convert at 2600 rpm, alternate rated maximum continuous power rating of 100 hp at 2400 rpm, dry weight Template:Convert Similar to O-235-C2B except with Slick magnetos and shielded ignition harness.[2]
O-235-E1
Power Template:Convert at 2800 rpm, dry weight Template:Convert Similar to O-235-C1 except crankcase and crankshaft supply pressurized oil to a constant speed propeller. Accessory case changed to accommodate a standard propeller governor drive.[2]
O-235-E1B
Power Template:Convert at 2800 rpm, dry weight Template:Convert Similar to O-235-E1 except for S4LN-200 series retarded breaker magnetos.[2]
O-235-E2A
Power Template:Convert at 2800 rpm, dry weight Template:Convert Similar to O-235-E1 except Type 1 propeller flange.[2]
O-235-E2B
Power Template:Convert at 2800 rpm, dry weight Template:Convert Similar to O-235-E2A except incorporates S-1200 series magnetos.[2]
O-235-F1
Power Template:Convert at 2800 rpm, dry weight Template:Convert Similar to O-235-C1 except compression ratio, fuel grade and rating.[2]
O-235-F1B
Power Template:Convert at 2800 rpm, dry weight Template:Convert Similar to O-235-F1 except retarded breaker magnetos.[2]
O-235-F2A
Power Template:Convert at 2800 rpm, dry weight Template:Convert Similar to O-235-F1 except a Type 1 propeller flange.[2]
O-235-F2B
Power Template:Convert at 2800 rpm, dry weight Template:Convert Similar to O-235-F2A but with S-1200 series magnetos.[2]
O-235-G1
Power Template:Convert at 2800 rpm, dry weight Template:Convert Similar to O-235-F1 except provisions for using constant speed propeller.[2]
O-235-G1B
Power Template:Convert at 2800 rpm, dry weight Template:Convert Similar to O-235-G1 except has retarded breaker magnetos.[2]
O-235-G2A
Power Template:Convert at 2800 rpm, dry weight Template:Convert Similar to O-235-G1 except a Type 1 propeller flange.[2]
O-235-G2B
Power Template:Convert at 2800 rpm, dry weight Template:Convert Similar to O-235-G2A except S-1200 series magnetos.[2]
O-235-H2C
Power Template:Convert at 2600 rpm, alternate rated maximum continuous power rating of 100 hp at 2400 rpm, dry weight Template:Convert Similar to O-235-C2C except Type 1 dynafocal mounting.[2]
O-235-J2A
Power Template:Convert at 2800 rpm, dry weight Template:Convert Similar to O-235-J2B except magnetos.[2]
O-235-J2B
Power Template:Convert at 2800 rpm, dry weight Template:Convert Similar to O-235-F2B except Type 1 dynafocal mounting.[2]
O-235-K2A
Power Template:Convert at 2800 rpm, dry weight Template:Convert Similar to O-235-F2A except ignition timing, lower horsepower and reduced compression ratio.[2]
O-235-K2B
Power Template:Convert at 2800 rpm, dry weight Template:Convert Similar to O-235-F2B except ignition timing, lower horsepower and reduced compression ratio.[2]
O-235-K2C
Power Template:Convert at 2700 rpm, dry weight Template:Convert Similar to O-235-K2A except Slick magnetos.[2]
O-235-L2A
Power Template:Convert at 2800 rpm, alternate ratings of Template:Convert at 2700 rpm, Template:Convert at 2600 rpm, Template:Convert at 2550 rpm and Template:Convert at 2400 rpm, dry weight Template:Convert Similar to O-235-J2A except ignition timing, lower horsepower and reduced compression ratio.[2]
O-235-L2C
Power Template:Convert at 2700 rpm, alternate ratings of Template:Convert at 2700 rpm, Template:Convert at 2600 rpm, Template:Convert at 2550 rpm and Template:Convert at 2400 rpm, dry weight Template:Convert Similar to O-235-L2A except Slick magnetos and lower maximum continuous rating.[2]
O-235-M1
Power Template:Convert at 2800 rpm, alternate ratings of Template:Convert at 2700 rpm, Template:Convert at 2600 rpm, Template:Convert at 2550 rpm and Template:Convert at 2400 rpm, dry weight Template:Convert Similar to -L2A except provision for controllable propeller and has AS-127 Type 2 propeller flange.[2]
O-235-M2C
Power Template:Convert at 2800 rpm, alternate ratings of Template:Convert at 2700 rpm, Template:Convert at 2600 rpm, Template:Convert at 2550 rpm and Template:Convert at 2400 rpm, dry weight Template:Convert Similar to O-235-M1 except Slick 4200 series magnetos and Type 1 propeller flange.[2]
O-235-M3C
Power Template:Convert at 2800 rpm, alternate ratings of Template:Convert at 2700 rpm, Template:Convert at 2600 rpm, Template:Convert at 2550 rpm and Template:Convert at 2400 rpm, dry weight Template:Convert Similar to O-235-M1 except Slick 4200 series magnetos.[2]
O-235-N2A
Power Template:Convert at 2800 rpm, alternate ratings of Template:Convert at 2700 rpm, Template:Convert at 2600 rpm, Template:Convert at 2550 rpm and Template:Convert at 2400 rpm, dry weight Template:Convert Similar to O-235-L2A except reduced compression ratio and reduced power ratings.[2]
O-235-N2C
Power Template:Convert at 2800 rpm, alternate ratings of Template:Convert at 2700 rpm, Template:Convert at 2600 rpm, Template:Convert at 2550 rpm and Template:Convert at 2400 rpm, dry weight Template:Convert Similar to O-235-L2C except reduced compression ratio and reduced power ratings.[2]
O-235-P1
Power Template:Convert at 2800 rpm, alternate ratings of Template:Convert at 2700 rpm, Template:Convert at 2600 rpm, Template:Convert at 2550 rpm and Template:Convert at 2400 rpm, dry weight Template:Convert Similar to O-235-M1 except reduced compression ratio and reduced power ratings.[2]
O-235-P2A
Power Template:Convert at 2800 rpm, alternate ratings of Template:Convert at 2700 rpm, Template:Convert at 2600 rpm, Template:Convert at 2550 rpm and Template:Convert at 2400 rpm, dry weight Template:Convert Similar to O-235-P1 except a Type 1 propeller flange.[2]
O-235-P2C
Power Template:Convert at 2800 rpm, alternate ratings of Template:Convert at 2700 rpm, Template:Convert at 2600 rpm, Template:Convert at 2550 rpm and Template:Convert at 2400 rpm, dry weight Template:Convert Similar to O-235-M2 except reduced compression ratio and reduced power ratings.[2]
O-235-P3C
Power Template:Convert at 2800 rpm, alternate ratings of Template:Convert at 2700 rpm, Template:Convert at 2600 rpm, Template:Convert at 2550 rpm and Template:Convert at 2400 rpm, dry weight Template:Convert Similar to O-235-M3C except reduced compression ratio and reduced power ratings.[2]

Applications

Specifications (O-235C series)

Reference: Operator's Manual, Textron Lycoming Aircraft Engines[1] Template:Pistonspecs

References

  1. ↑ 1.0 1.1 Textron Lycoming: Operator's Manual, Textron Lycoming Aircraft Engines, Series O-235 & O-290, 4th Edition January 1988, Pages 2-1 & 2-4, Stock # 60297-9, Textron Lycoming.
  2. ↑ 2.00 2.01 2.02 2.03 2.04 2.05 2.06 2.07 2.08 2.09 2.10 2.11 2.12 2.13 2.14 2.15 2.16 2.17 2.18 2.19 2.20 2.21 2.22 2.23 2.24 2.25 2.26 2.27 2.28 2.29 2.30 2.31 2.32 2.33 2.34 2.35 2.36 Federal Aviation Administration (December 2003). TYPE CERTIFICATE DATA SHEET NO. E-223 (PDF). Retrieved on 2008-11-30.
  3. ↑ Lycoming Engines (July 2008). Lycoming Engines Launches the IO-233-LSA. Retrieved on 2009-04-03.

External links

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de:Lycoming O-235

This article is licensed under the GNU Free Documentation License.
It uses material from the Wikipedia article "Lycoming O-235".


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