O.S. Engine FR5-300  [OSMG1300]

Radial design mimics the look of "Golden Era" planes for lots more convincing scale look

Four ball bearings and two needle bearings smooth operation, reduce friction and expand motor life

Ringed piston powerhouse features pushrod overhead valves, unique inlet manifold, propeller locknut assembly and radial mount

SPECS

• Inventory Quantity: OSMG1300
• Displacement: 0.607 cu in x 5
• Bore: 0.945 in
• Stroke: 0.866 in
• Practical rpm: 1,800-8,500
• Output: 4.0 hp @ 8,000 rpm
• Body weight: 94.3 oz
• Includes: glow plugs; mount
• Needs: fuel; prop
• Recommended Props: 18x12, 18x13, 18x14, 20x8, 20x9, 20x10, 22x8