An excellent gasoline engine for large RC planes, the GT-60 from OS Engines comes with a Pitts Style E-6020 muffler. You will also receive an IG-02 electronic ignition and a CM6 spark plug. Order yours now.

Propellers

Please take note of the suggested propeller size and RPM data provided by OS Engines:

Propeller Size RPM
22 x 10 6,900
23 x 8 7,000
24 x 8 6,550
24 x 10 6,150

Oil

Please note that if you choose to use a different brand of oil other than Klotz, OS Engines recommends their own mix ratio, which may differ from the manufacturers'. This mix ratio is outlined below:

  • For 40:1, and 50:1 oils, OS recommends a 30:1 gas/oil mixture
  • 25:1 is 5oz of pre-mixed 2-cycle oil or 151 ml per gallon of fuel
  • 30:1 is 4.3oz of pre-mixed 2-cycle oil or 126 ml per gallon of fuel
  • 40:1 is 3.2oz of pre-mix 2-cycle oil or 95 ml per gallon of fuel
  • 50:1 is 2.6oz of pre-mix 2-cycle oil or 76 mll per gallon of fuel
  • Linerless cylinder with the cylinder head integrated with the cylinder, this arrangement allows for extremely precise intake
  • Exhaust timing and very high scavenging efficiency resulting in higher output
  • IG-02 electronic ignition system can be powered by 4-6 cell NiCd/ NiMH batteries or 2-cell LiPo batteries
  • Custom designed Walbro carburetor mounted to rear of engine with integrated choke rod guide
Displacement
3.656 (59.91cc)
Bore
1.732" (44.0mm)
Stroke
1.551" (39.4mm)
RPM Range
1,600-8,000 RPM
Output
6.00 hp @ 7,000 RPM
Weight
Engine, 49.38oz (1400g) Ignition module, 3.7oz (105g)
Muffler
6.28oz (178g)
Distance - Vertical Mounting Hole Centers
2.6" (66mm)
Distance - Horizontal Mounting Hole Centers
3.1" (78mm)
Height of Mounting Tabs
3.4" (85.6mm)
Height Lower Mounting Tab/Top of Cylinder Head
6.9" (175mm)
Height Lower Mounting Tab/Crankshaft Center
1.7" (42.8mm)
Height Crankshaft Center/Top of Cylinder Head
5.2" (132.2mm)
Cylinder Head Width
6.6" (168mm)
Width at Mounting Tabs
3.8" (97.6mm)
Center of Muffler Mounting Holes
1.6" (40mm)
Distance/Crankshaft Center to Muffler Hole Center
2.7" (69.5mm)
Length from Carburetor to Backplate
1.5" (38.8mm)
SKU OSM38600
Barcode # 4531028024687
Brand OS ENGINES

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