This is the GT33 Gasoline Aircraft Engine with Muffler and Rear Carburetor from O.S. Engines.
FEATURES |
INCLUDES |
GT33 Gasoline Aircraft Engine with Muffler, Carburetor, CM-6 Spark Plug and Instruction Manual
REQUIREMENTS |
2-cycle oil, see SPECS
Ignition Battery: 4.8-6.0V NiCd or NiMH, 6.6V LiFe or 7.4V LiPo pack
LiPo battery requires voltage regulator
Propeller: 18x10-12, 19x10, 20x8-10, use 18x8 prop for break-in
Mounting standoffs, length depends on aircraft
Gasoline safe fuel tubing and fuel filter
SPECIFICATIONS |
Displacement: 2.013 cu in (32.98cc)
Bore: 1.417" (36mm)
Stroke: 1.276 (32.4mm)
Crankshaft thread size: 5/16-24
Total Weight: 2.7lbs (1230g)
Engine, 34.72oz (984g)
Muffler, 5.65oz (160.5g)
Ignition: 3.70oz (105.0g)
RPM Range: 1,800 - 8,000
Output: 3.9 PS, 3.85 HP/9,000rpm
Gasoline/Oil Mixture: 30:1 - 50:1
25:1 fuel/oil mixture if brand of oil states 50:1 mix
Replacement Spark Plug: NGK CM-6 or Denso U20M-U (.020" gap)
Height, Crankshaft Center to Exhaust Outlet: 6.1" (156.1mm)
Height, Crankshaft Center to Muffler Body: 4.1" (105.4mm)
Height, Crankshaft Center to Muffler Mounting Holes: 2.1" (54.4mm)
Height, Crankshaft Center to top of Cylinder Head: 4.3" (109.2mm)
Length, end of Crankshaft to Carb: 7.7" (196.6mm)
Length, end of Crankshaft to Backplate: 6.2" (158.9mm)
Length, end of Crankshaft to Center of Engine: 4.9" (125mm)
Length, Prop Washer to Center of Engine: 3.3" (84.5mm)
Length, Prop Washer to Carburetor: 6.1" (156.2mm)
Length, Prop Washer to Backplate: 4.7" (118.5mm)
Width, Muffler Body: 4.5" (114mm)
Width, Crankshaft Center to Exhaust Outlet: 1.2" (31.5mm)
Cylinder Head Diameter, front to back: 2.5" (62.8mm)
Cylinder Head Diameter, side to side: 2.6" (66mm)
Mounting Hole Centers top to bottom: 2.1" (54mm)
Mounting Hole Centers side to side: 3" (76mm)