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O.S. Engines Sirius 4-stroke engine

O.S. Engines Sirius 4-stroke engine

TIME TO GET SIRIUS!

 

The O.S. Engines® Sirius 4-stroke engine is ready and waiting to give vintage 7-cylinder design to any scale airplane modeler’s dream.  The “Golden Era” looks of the FR7-420 Sirius are matched by its superb power output and rich, realistic sound.  The V-shaped valve layout makes this engine compatible with several airplane styles.  The main internal parts like the crankshaft, cam holder and reduction gear are all plated to resist corrosion while the air-fuel mix is distributed equally to each cylinder to ensure a stable, long-lasting idle.

 

Specifications:

Displacement: 0.6071 cu in ( 9.95 cc) per cylinder

Bore: 0.944 in (24.0 mm)

Stroke: 0.866 in (22.0 mm)

Practical RPM: 1,500-7,000

Weight: 111.7 oz (3.167 g)

 

OSMG1307    FR7-420 Sirius 4-Stroke Engine            Street:$3499.99

 

Available in late July

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Updated: July 16, 2015 — 10:26 AM

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