This is actually the OS Max 15CV-A R/C Airplane Engine With Muffler. Include "CV" capacity to your racing or combat models with this particular airplane version of OS Max's popular buggy motor.
QUALITIES: Based on the .15 CV Buggy motor, this motor was adapted for air-
craft usage with an aircraft design cylinder head, rotary carb, and a
remote needle valve to cut back potential for damage from spinning props.
Front and back crankshaft bearings for increased power and endurance.
Two year guarantee against manufacturing defects in parts and workman-
ship.
Crankcase has a blue finish.
INCLUDES: One 15CV-A R/C Airplane Engine with #871 Muffler.
Two 2.2 x 22mm phillips mind muffler mounting screws.
#A3 Glow Plug
Decal Sheet
Instruction Manual
NEEDS: gas: 10percent to 20percent Nitro and 18% Oil content is advised.
Prop: Break in: 7x5.
Sport: 7x5, 7x6, 8x4, 8x6, 9x4.
Aerobatic: 8x4, 8x6.
SPECS: Displacement: 2.49cc (0.152 cu in)
Bore: 15.2mm (0.598")
Stroke: 13.7mm (0.539")
Output: 0.50 bhp @ 18,000rpm.
Practical rpm: 2,500 - 19,000rpm
Weight: 170g (5.99oz)
Crankshaft size: 5mm
Distance between mounting tabs: 1.53" (39mm)
Distance between mounting holes on opposite side: 1.34" (34mm)
Distance between mounting holes on exact same side: 0.57" (14.5mm)
Width of crankcase below mounting tabs: 0.97" (25mm)
Height from bottom of crankcase to top of cylinder mind: 2.48" (63mm)
Length from end of crankshaft to backplate: 3.07" (78mm)
