Overview
For large-scale RC planes, the GT-60 from OS Engines is a superb choice; giving you the performance you need to succeed.
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
- 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
Product Information
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
What you need
- Propeller. Break-In 23x8, Acro/Scale 22x10-12, 23x8-10, 24x8-10
- Unleaded regular gasoline (no need to use high octane)
- Two-Cycle Oil: Break-In, Klotz Modelube recommended, mix at 30:1 gas/oil mixture for 10 flights, 1.3 - 1.6 gallons (5-6 liters) of gas. After break-In, mix at 50:1 ratio
- Electric starter. NOTE, the propeller must be brought up to at least 100RPM in order for the electronic ignition to work
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, 49.38oz (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)
