**NOTE** OUT OF STOCK - SELECT 'MAIN CATALOG' ABOVE FOR ALL NEW PRODUCTS
OS Engines
OS 46 AX - Comes with muffler (with pressure fitting) and remote needle valve. Requires fuel, fuel filter, prop, engine mount and glow plug.
SPECS:
Displacement: 0.455 cu in (7.5 cc)
Bore: 0.866 in (22.0 mm)
Stroke: 0.772 in (19.6 mm)
Horsepower: 1.65 hp @ 16,000 rpm
Weight: 17.2 oz (489 g) w/muffler
Crankshaft Thread Size: 1/4-28
Recommended Props: 10.5x6, 11x6-8, 12x6-7
Practical RPM Range: 2,500 - 17,000 RPM
Recommended Glow Plug: OS A3 (1 Included)
Recommended Fuel: Fuel with 16% (minimum) lubricant content and 5%-20% Nitromethane
OUT OF STOCK
OS 55 AX - The .55 AX fits in the same space as a .46, but with a lot more power! Comes with muffler (with pressure fitting). Requires fuel, fuel filter, prop, engine mount and glow plug.
SPECS:
Displacement: 0.545 cu in (9 cc)
Bore: 0.91 in (23 mm)
Stroke: 0.85 in (21.5 mm)
Horsepower: 1.75 hp @ 16,000 rpm
Weight: 14.3 oz (404 g)
Crankshaft Thread Size: 1/4-28
Recommended Props: 12x7, 12x8, 13x6, 13x7
Practical RPM Range: 2,000-17,000 RPM
Recommended Glow Plug: OS #8 (1 included)
Recommended Fuel: Fuel with 18% (minimum) lubricant content and 5%-20% Nitromethane
-> OS 55 AX - OUT OF STOCK$199.99 - $156.99! + FREE SHIPPING in the US!
OS 61 FX - Comes with muffler (with pressure fitting) and OS #8 glow plug. Requires fuel, fuel filter, prop, engine mount.
Recommended Fuel: Fuel with 20% (minimum) lubricant content and 5%-15% Nitromethane
-> OS 61 FX - OUT OF STOCK$209.99 - $169.99! + FREE SHIPPING in the US!
OS 91 FX - Comes with Muffler, Safety Propeller Locknut Assembly, #8 glow plug. Requires fuel, fuel filter, prop, engine mount.
SPECS:
Displacement: 0.912 cu in (15.0 cc)
Bore: 1.091 in (27.7 mm)
Stroke: 0.976 in (24.8 mm)
Horsepower: 2.8 hp @ 15,000 rpm
Weight: 19.3 oz (550 g)
Crankshaft Thread Size: 5/16-24
Recommended Props: 13x8, 13x9
Recommended Glow Plug: OS #8 (1 included)
Recommended Fuel: 18% (minimum) conventional lubricant content and 5%-20% Nitro.
-> OS 91 FX - OUT OF STOCK$279.99 - $209.99! + FREE SHIPPING in the US!
OS 120 AX - The 1.20 fits in the same space as the .91 engine, but with 20% more power! Comes with #8 glow plug, 70D dual-needle carburetor, E-5020 Power Box™ muffler w/two adapters. Requires fuel, fuel filter, prop, engine mount.
SPECS:
Displacement: 1.20 cu in (20 cc)
Bore: 1.197 in (30.4 mm)
Stroke: 1.083 in (27.5 mm)
Horsepower: 3.1 hp @ 9,000 rpm
Practical rpm: 1,800-9,500
Weight: 21 oz (650 g)
Crankshaft Thread Size: 5/16-24
Recommended Props: 14x10 APC, 15x6 APC
Recommended Glow Plug: OS #8 (1 included)
Recommended Fuel: Two-Stroke with 20% lubricant and 5-20% nitromethane.
-> OS 120 AX - OUT OF STOCK$349.99 - $274.99! + FREE SHIPPING in the US!
Super Tigre Engines
Super Tigre GS40 - The economical GS-40 uses improved porting and timing to produce over 15% greater power than it's Series forerunners and up to 25% more than typical sport .40s! Requires fuel, fuel filter, prop, engine mount.
Recommended Fuel: 5%-15% Nitromethane and 17% or greater lubricant content
-> Super Tigre GS40 - OUT OF STOCK$69.99 - $54.99!
Super Tigre GS45 - The GS 45 uses improved porting and timing to produce over 15% greater power than it's Series forerunners and up to 25% more than typical sport .40s! It fits in the same mounting space as the GS40. Requires fuel, fuel filter, prop, engine mount.
SPECS:
Displacement: 0.46 cu in (7.5 cc)
Bore: 0.860 in (21.85 mm)
Stroke: 0.787 in (20.0 mm)
Horsepower: 1.45 hp @ 16,000 rpm
Practical rpm: 2,500-16,000
Weight: 18.5 oz (524 g) w/muffler
Crankshaft Thread Size: 1/4-28
Recommended Props: Sport - 9.5x6, 10x6 (w/inc. muffler)
Recommended Glow Plug: OS #8
Recommended Fuel: 18% oil content MINIMUM. A synthetic/castor blend is highly
recommended. 10%-15% Nitromethane will work well. Higher levels of
of Nitromethane may require adjustment of the compression ratio to
prevent detonation.
-> Super Tigre GS45 - OUT OF STOCK$84.99 - $71.99!
Super Tigre G51 - The G 51 uses improved porting and timing to produce over 15% greater power than it's Series forerunners and up to 25% more than typical sport .45s! It fits in the same mounting space as the GS40/GS45. The G51 is bored-out for more punch and less weight and features Schnuerle-porting and twin bearings. Requires fuel, fuel filter, prop, engine mount.
SPECS:
Displacement: 0.51 cu in (8.3 cc)
Bore: 0.905 in (23 mm)
Stroke: 0.787 in (20 mm)
Horsepower: 1.48 hp @ 15,500 rpm
Practical rpm: 2,500-15,500
Weight: 18.4 oz (522 g) w/muffler
Crankshaft Thread Size: 1/4-28
Recommended Props: Sport - 9.5x6, 10x6 (w/inc. muffler)
Recommended Glow Plug: OS #8
Recommended Fuel: 18% oil content MINIMUM. A synthetic/castor blend is highly
recommended. 10%-15% Nitromethane works well. Higher levels of Nitro
may require adjustment of the compression ratio to prevent detonation.
-> Super Tigre G51 - OUT OF STOCK$104.99 - $86.99!
Super Tigre G90 - The G 90 gives you 90-size power that fits in a .60-size frame! The New, 1-piece crankcase provides added stability, strength and dependability. Features SuperTigre TST porting, which aids fuel economy. The new bolt through muffler attaches to exhaust stack to prevent stripped crankcase threads and aids in positioning. Requires fuel, fuel filter, prop, engine mount.
SPECS:
Displacement: 0.90 cu in (14.73 cc)
Bore: 1.083 in (27.5 mm)
Stroke: 0.976 in (24.8 mm)
Horsepower: 2.5 hp @ 14,800 rpm
Practical rpm: 2,500-16,000
Weight: 27 oz (765 g) w/muffler
Crankshaft Thread Size: 1/4-28
Recommended Props: Sport - 12x8, 13x6 (w/inc. muffler)
Recommended Glow Plug: OS #8
Recommended Fuel: 18% oil content MINIMUM. A synthetic/castor blend is highly
recommended. 10%-15% Nitromethane works well. Higher levels of Nitro
may require adjustment of the compression ratio to prevent detonation.
-> Super Tigre G90 - OUT OF STOCK$154.99 - $125.99! + FREE SHIPPING in the US!
Super Tigre G2300 - For modelers interested in getting into flying large-scale aircraft, the new G-2300 makes an excellent engine choice. This ringed power plant features a front intake, side-exhaust design, and is priced to be very affordable. The power is that of a 1.40 size 2 Stroke, but stronger! Requires fuel, fuel filter, prop, engine mount.
Recommended Fuel: Minimum of 18% high quality oil by volume in fuel,
Nitro content should be between 5-15%.
SUPERTIGRE Recommends Fuel with 18% oil MINIMUM and the use of large fuel tubing.
-> Super Tigre G2300 - OUT OF STOCK$199.99 - $159.99 + FREE SHIPPING in the US!
AVIASTAR Engines
AVIASTAR 46 - The Aviastar engines are very affordable and offer the power levels and ease of use typically only associated with much more expensive motors. The crankshaft is one, solid piece and is construct of hardened Cr Steel. Aluminum alloys that are used in full scale aircraft engines are also used to produce the connecting rods.
AVIASTAR 53 - The Aviastar engines are very affordable and offer the power levels and ease of use typically only associated with much more expensive motors. The crankshaft is one, solid piece and is construct of hardened Cr Steel. Aluminum alloys that are used in full scale aircraft engines are also used to produce the connecting rods.
SPECS:
Displacement: 0.53 cu in (8.69 cc)
Bore: 0.886 in (22.5 mm)
Stroke: 0.886 in (22.0 mm)
Horsepower: 2.45 hp @ 18,000 rpm
Practical rpm: 1,900-18,000
Weight: 14.4 oz (408 g) w/o muffler
Crankshaft Thread Size: M7x1
Recommended Props: Sport - 10x6, 11x4, 11x6, 11x7, 12x4, 12x6
Recommended Glow Plug: OS #8
Recommended Fuel: 16% oil content MINIMUM. 10% Nitromethane will work well.
Magnum .70 Four Stroke - The absolute best value for your moneyAND it's a four stroke! Included features are an easy to maintain overhead valve design, rear updraft dual needle valve carburetors, dual ball bearings, choke system for easy starting and CNC Precision Machining . Magnum engines are continuously receiving great reviews from experts and are quickly becoming favorited by many modelers across the globe. This is the perfect for use in any "60" size two stroke aircraft which can handle the slightly bigger size and weight of a four-stroke engine. This is probably the best 60+ size four stroke ever designed! Smoother running, more dependable, and no doubt the best engine value on the market today! Throttle response is strong and instantaneous.
Magnum .91 Four Stroke - The absolute best value for your moneyAND it's a four stroke! Included features are an easy to maintain overhead valve design, rear updraft dual needle valve carburetors, dual ball bearings, choke system for easy starting and CNC Precision Machining . Magnum engines are continuously receiving great reviews from experts and are quickly becoming favorited by many modelers across the globe. This is the perfect for use in any "60-90" size two stroke aircraft which can handle the slightly bigger size and weight of a four-stroke engine. This is probably the best 90+ size four stroke ever designed! Smoother running, more dependable, and no doubt the best engine value on the market today! Throttle response is strong and instantaneous.
SPECS:
Displacement: 0.91 cu in (15.16 cc)
Bore: 1.09 in (27.7 mm)
Stroke: 0.976 in (24.8 mm)
Practical rpm: 2,000-11,000
Weight: 22.4 oz
Recommended Props: 13x8, 14x6
Recommended Glow Plug: OS "F" Type
Recommended Fuel: 15% Nitromethane and 18% or greater lubricant content
