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FR7-420 Sirius7 7-Cylinder Radial 4-Stroke Engine

Item No. OSMG1307
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3.4 out of 5 Customer Rating

FR7-420 Sirius7 7-Cylinder Radial 4-Stroke Engine

Item No. OSMG1307
$3,699.99 Price reduced from $6,499.99 to
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Product Details

Product Specifications

Specs

Bore 0.944 in (24.0mm)
Crankshaft Threads UNF3/8-24
Cylinders Radial
Displacement 0.607 cu in (9.95 cc) x7
Power Type Glow
Outer Diameter 9" (230mm)
Plug Type Seven Type F glow plugs
Product Height 9.0 in (230mm)
Product Width 9.0 in (230mm)
Prop Range 22 x 10 - 26 x 8
Recommended Fuel Aircraft blend 5-10% nitro content with 8-10% lubricant content
RPM Range 1,500-7,000 rpm
Stroke 0.866 in (22.0mm)