Sirius 7 FR7-420 Radial Eng
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Discontinued
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StockStock availability for on-line ordering 
StockStock availability for pick up
This live feed
information is to be used as a general guide to current inventory. There is no guarantee of
availability.
SPECIFICATIONS
0.944 in
Bore:
0.866 in
Stroke:
1,500 - 7,000 RPM
RPM Range:
111.7 oz
Weight:
22x10-12, 23x8-12, 24x8-12, 26x8
Prop Range:
FEATURES
- The vintage 7-cylinder design is a scale airplane modeler's dream
- Individual V-shaped valve covers add to the scale appearance, and make this engine compatible with several airplane styles
- Main internal parts such as the crankshaft, cam holder and reduction gear are all plated to resist corrosion
- Air-fuel mixture is distributed equally to each cylinder to ensure stable, long-lasting idle
The "Golden Era" looks of the FR7-420 Sirius are matched by its superb power output and rich, realistic sound.
Main internal parts such as crankshaft, wrist pin, cam holder and reduction gear are all plated for anti-corrosion. Selected material and proper thermal treatment ensure high durability of the parts.
The impeller distributes balanced air-fuel mixture to each cylinder, which has realized long lasting stable idling.
V-shaped valve layout matches various scale model airplanes.
PRODUCT RESOURCES
4531028020672 4531028020672
OSMG1307