Continental IO-346
The Continental IO-346 engine is a fuel-injected four-cylinder aircraft engine that was developed especially for the Beechcraft Musketeer Custom III by Continental Motors. It was produced for that aircraft between 1965 and 1969.[1]
Design and development
There is no carbureted version of the engine, which would have been designated O-346 and therefore the base model is the IO-346.[1][2]
The IO-346 was designed to run on 91-98 avgas. The engine has a dry weight of 269¾ lb or 297 lb including the generator and starter. The ignition system consists of dual magnetos, one Scintilla S4RN-201 and one S4RN-205 or, alternatively, two Slick Electro 449 magnetos.[1][2]
Variants
- IO-346-A
- Base model, certified 27 July 1962[2]
- IO-346-B
- Identical to IO-346-A except it incorporates provisions for a hydraulic propeller control. Certified 23 June 1964.[2]
Applications
1965 model Beechcraft A23 Musketeer equipped with the IO-346 engine
Specifications (IO-346)
Reference: Engines for Homebuilt Aircraft & Ultralights[1]
General characteristics
- Type: 4-cylinder air-cooled horizontally opposed aircraft piston engine
- Bore: 5.25 in (133 mm)
- Stroke: 4.00 in (102 mm)
- Displacement: 346 in³ (5.68 L)
- Length: 30 in (762 mm)
- Width: 33.38 in (848 mm)
- Height: 22.4 in (569 mm)
- Dry weight: 297 lb dry, with starter and generator (135 kg)
Components
Performance
See also
References
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