Overview
With the GT60, O.S. gives fliers of 50 cc models everything they want in a gasoline engine — durability, efficiency, easy operation and super-strong performance. O.S. takes advantage of liner-less cylinder construction for benefits that include lower weight, improved cooling, and exceptionally efficient exhaust scavenging. Intake and exhaust timing are perfected as well. Instant throttle response makes the GT60 an outstanding choice for 3D flying. When you need more power ASAP, this engine delivers!
Features
- 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
- IG02 electronic ignition system can be powered by 46 cell NiCd/NiMH batteries or 2cell LiPo batteries
- Custom designed Walbro carburetor mounted to rear of engine with integrated choke rod guide
Product Information
With the GT60, O.S. gives fliers of 50 cc models everything they want in a gasoline engine — durability, efficiency, easy operation and super-strong performance. O.S. takes advantage of liner-less cylinder construction for benefits that include lower weight, improved cooling, and exceptionally efficient exhaust scavenging. Intake and exhaust timing are perfected as well. Instant throttle response makes the GT60 an outstanding choice for 3D flying. When you need more power ASAP, this engine delivers!
Specs
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 - 49.38 oz (1400 g)
Ignition module - 3.7 oz (105 g)
Suggested Propeller Size and RPM Data
22x8 7,650 RPM
22x10 6,900 RPM
23x8 7,000 RPM
24x8 6,550 RPM
24x10 6,150 RPM
Carburetor Settings
Two turns out on high and low speed needles from fully closed position, then start engine and follow break-in instructions in manual
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)
