Thunder Tiger new F-91S powerhouse engines is the perfect way to enjoy the advantage of four-stroke performance; the ability to swing a large prop, increase torque, reduce noise and improved fuel economy. Feature with the twin needle updraft carburetor, black anodized cylinder head, oversized valves, combined with a high performance silencer to have the best power-to-weight ratio.

Thunder Tiger new F-54S powerhouse engines is the perfect way to enjoy the advantage of four-stroke performance; the ability to swing a large prop, increase torque, reduce noise and improved fuel economy. Feature with the twin needle updraft carburetor, black anodized cylinder head, oversized valves, combined with a high performance silencer to have the best power-to-weight ratio.

Thunder Tiger Four Stroke series are manufactured by automated computer-controlled machinery, resulting in a product that looks and performs better. Special Camshaft and oversize valves combine to improve performance and ease handling. Precision air bleed carburetor makes adjustments simple, and efficient mufflers keep things quiet at the field. Perfect for the pilot looking for the authentic aircraft sound. Introducing, The New Thunder Tiger's powerhouse F-75s will be the perfect way to enjoy the advantages of four-stroke performance; the ability to swing a larger prop, increase torque, lower noise and improved fuel economy.

Thunder Tiger's powerhouse F-91S and F-54S are the perfect way to enjoy the advantages of four-stroke performance; the ability to swing a larger prop, increase torque, lower noise and improved fuel economy. Special camshaft and oversize valves combine to improve performance and ease of handling. An adjustable muffler, tool kit and comprehensive owner's manuals are included.

Thunder Tiger Four Stroke series are manufactured by automated computer-controlled machinery, resulting in a product that looks and performs better. Special Camshaft and oversize valves combine to improve performance and ease handling. Precision air bleed carburetor makes adjustments simple, and efficient mufflers keep things quiet at the field. Perfect for the pilot looking for the authentic aircraft sound. Thunder Tiger's powerhouse F-54s is the perfect way to enjoy the advantages of four-stroke performance; the ability to swing a larger prop, increase torque, lower noise and improved fuel economy.

The PRO series helicopter ring-type engines are equipped with dual ball-bearings, Schnuerle porting, one ring-type piston / cylinder assembly and two-needles automatic mixture control carburetor. The PRO-Heli series are manufactured by automated computer-controlled machinery, resulting in a product that looks and performs better. The PRO-90H provides the smooth hovering and on-demand power and acceleration required by FAI pilots as well "hot dog" and "3-D" aerobatic fliers. Precision air bleed carburetor makes adjustments simple, and efficient mufflers keep things quiet at the field.

The PRO series helicopter ring-type engines are equipped with dual ball-bearings, Schnuerle porting, one ring-type piston / cylinder assembly and two-needles automatic mixture control carburetor. One full-throttle "blast off" will convince you of the awesome power-to-weight-ratio created from the PRO-70H (R), engine is good for all kinds of .60 size helicopter. Precision air bleed carburetor makes adjustments simple, and efficient mufflers keep things quiet at the field.

RED LINE – Extreme Power Model Engine

REDLINE is a new engine product line of Thunder Tiger. high performance, extreme power will be the main features of this series engine. With the biggest displacement and awesome power, RL-53H is the best nitro power plant for your 50 class R/C helicopter.

The XC2 is extreme composite coating of nano-technology from Japan to make the engine life longer.And the special criss-cross pattern is etched on the sleeve wall to reduce the friction. With these technologies , the RL-53H will produce reliable power and torque even at the high RPM.

The all-new designed carb is mounted to the crankcase with a heat insulator to keep the carb working at stable temperature in different conditions.

The Pro-50H and Pro-39H are two of Thunder Tiger's best selling engines because of their excellent performance and great value. The Pro-50H delivers smooth power for sport and 3D fliers. The new carburetor design provides incredibly reliable low idle rpm. The engine can turn at ticking rpm for extended time without flooding like many other engines. Compared to other 50 class engine, the Pro-50H is the most efficient in specific fuel burn, it is not unusual to obtain 10 to 20 percent longer flight time than competing 50 class helicopter engines. The Pro-50H also features very low vibration. This is a perfect motor for any of the Raptor 50 model. The Pro-50H works best in helicopters with gear ratios ranging from 8.5:1 to 9.1:1, and this engine develops peak horsepower at 14,000 to 17,000 rpm

The PRO series helicopter ring-type engines are equipped with dual ball-bearings, Schnuerle porting, one ring-type piston / cylinder assembly and two-needles automatic mixture control carburetor. Thunder Tiger’s .39 helicopter engines provide the smooth power for your demand. Displacement at .394 cubic inches is the largest displacement engine available in the popular 30-size helicopter class, and directly fit in all popular machines. Precision air bleed carburetor makes adjustments simple, and efficient mufflers keep things quiet at the field.

Thunder Tiger's .21 Outboard engine features a fresh, innovative design that is sure to increase the popularity of the 3.5cc Tunnel Hull class. A race-proven Pro.21 M-R power head is mated to a lower unit that utilizes the best aspects of gear and flex-cable drive technology. A special set of precision helical gears transfers power from the crankshaft to the flex-cable, resulting in substantially reduced cable wear and maintenance, while the integrated expansion chamber/muffler reduces exhaust noise. The engine mount allows adjustment to both propeller depth and angle, and a Prather S215 prop. is also included.

The new Pro-12/15/18 engines have been designed to achieve the easiest operation and max performance again. The all new Pro-18 big block engine creates incredible plenty of horse-power more than the previous .15 engine, which is the best choice for the out-law race. The new Pro-12/15/18 are available in several versions with the same mounting dimensions, making it drop-in easy to upgrade. All of series are available with built-in recoil starters ("X" type). The PRO-12BXP and PRO-15BXP are available for the previous RTR cars of the Thunder Tiger. The " K" type series engines feature a built-in hexagonal shaft starting system that can be operated to start the engine easily and quickly.

The new Pro-12/15/18 engines have been designed to achieve the easiest operation and max performance again. The all new Pro-18 big block engine creates incredible plenty of horse-power more than the previous .15 engine, which is the best choice for the out-law race. The new Pro-12/15/18 are available in several versions with the same mounting dimensions, making it drop-in easy to upgrade. All of series are available with built-in recoil starters ("X" type). The PRO-12BXP and PRO-15BXP are available for the previous RTR cars of the Thunder Tiger. The " K" type series engines feature a built-in hexagonal shaft starting system that can be operated to start the engine easily and quickly.

The new Pro-12/15/18 engines have been designed to achieve the easiest operation and max performance again. The all new Pro-18 big block engine creates incredible plenty of horse-power more than the previous .15 engine, which is the best choice for the out-law race. The new Pro-12/15/18 are available in several versions with the same mounting dimensions, making it drop-in easy to upgrade. All of series are available with built-in recoil starters ("X" type). The PRO-12BXP and PRO-15BXP are available for the previous RTR cars of the Thunder Tiger. The " K" type series engines feature a built-in hexagonal shaft starting system that can be operated to start the engine easily and quickly.

The new Pro-12/15/18 engines have been designed to achieve the easiest operation and max performance again. The all new Pro-18 big block engine creates incredible plenty of horse-power more than the previous .15 engine, which is the best choice for the out-law race. The new Pro-12/15/18 are available in several versions with the same mounting dimensions, making it drop-in easy to upgrade. All of series are available with built-in recoil starters ("X" type). The PRO-12BXP and PRO-15BXP are available for the previous RTR cars of the Thunder Tiger. The " K" type series engines feature a built-in hexagonal shaft starting system that can be operated to start the engine easily and quickly.

Designed to achieve the easiest operation and max performance again and again. The PRO .21/.28 Series have the most raw power & durability simultaneously! Of course, the new webbed reinforced compact crankcase is made for added wearing resistance and provides effective heat dispersion to meet the demands of long term usage. The PRO series are manufactured by automated computer-controlled machinery, using the highest quality materials. State-of-the-art CNC manufacturing techniques produce not only high performance and reliability but a product that looks and performs better. Precision mixture control carburetor makes adjustments simple. The crankshaft is lightened, and balanced to get a fuel mixture more smoothly. The .21/.28 engines fits in the same mounting space as the original .21/.28 engines, with no additional weight - but delivers greater output and higher practical rpm. All of series are available with built-in recoil starters ("X" type). The "D" type series engine features with dual starting system, recoil starter and rotor starter. The " K" type series engines feature a built-in hexagonal shaft starting system that can be operated to start the engine easily and quickly.

Designed to achieve the easiest operation and max performance again and again. The PRO .21/.28 Series have the most raw power & durability simultaneously! Of course, the new webbed reinforced compact crankcase is made for added wearing resistance and provides effective heat dispersion to meet the demands of long term usage. The PRO series are manufactured by automated computer-controlled machinery, using the highest quality materials. State-of-the-art CNC manufacturing techniques produce not only high performance and reliability but a product that looks and performs better. Precision mixture control carburetor makes adjustments simple. The crankshaft is lightened, and balanced to get a fuel mixture more smoothly. The .21/.28 engines fits in the same mounting space as the original .21/.28 engines, with no additional weight - but delivers greater output and higher practical rpm. All of series are available with built-in recoil starters ("X" type). The "D" type series engine features with dual starting system, recoil starter and rotor starter. The " K" type series engines feature a built-in hexagonal shaft starting system that can be operated to start the engine easily and quickly.

Designed to achieve the easiest operation and max performance again and again. The PRO .21/.28 Series have the most raw power & durability simultaneously! Of course, the new webbed reinforced compact crankcase is made for added wearing resistance and provides effective heat dispersion to meet the demands of long term usage. The PRO series are manufactured by automated computer-controlled machinery, using the highest quality materials. State-of-the-art CNC manufacturing techniques produce not only high performance and reliability but a product that looks and performs better. Precision mixture control carburetor makes adjustments simple. The crankshaft is lightened, and balanced to get a fuel mixture more smoothly. The .21/.28 engines fits in the same mounting space as the original .21/.28 engines, with no additional weight - but delivers greater output and higher practical rpm. All of series are available with built-in recoil starters ("X" type). The "D" type series engine features with dual starting system, recoil starter and rotor starter. The " K" type series engines feature a built-in hexagonal shaft starting system that can be operated to start the engine easily and quickly.

Designed to achieve the easiest operation and max performance again and again. The PRO .21/.28 Series have the most raw power & durability simultaneously! Of course, the new webbed reinforced compact crankcase is made for added wearing resistance and provides effective heat dispersion to meet the demands of long term usage. The PRO series are manufactured by automated computer-controlled machinery, using the highest quality materials. State-of-the-art CNC manufacturing techniques produce not only high performance and reliability but a product that looks and performs better. Precision mixture control carburetor makes adjustments simple. The crankshaft is lightened, and balanced to get a fuel mixture more smoothly. The .21/.28 engines fits in the same mounting space as the original .21/.28 engines, with no additional weight - but delivers greater output and higher practical rpm. All of series are available with built-in recoil starters ("X" type). The "D" type series engine features with dual starting system, recoil starter and rotor starter. The " K" type series engines feature a built-in hexagonal shaft starting system that can be operated to start the engine easily and quickly.

Designed to achieve the easiest operation and max performance again and again. The PRO .21/.28 Series have the most raw power & durability simultaneously! Of course, the new webbed reinforced compact crankcase is made for added wearing resistance and provides effective heat dispersion to meet the demands of long term usage. The PRO series are manufactured by automated computer-controlled machinery, using the highest quality materials. State-of-the-art CNC manufacturing techniques produce not only high performance and reliability but a product that looks and performs better. Precision mixture control carburetor makes adjustments simple. The crankshaft is lightened, and balanced to get a fuel mixture more smoothly. The .21/.28 engines fits in the same mounting space as the original .21/.28 engines, with no additional weight - but delivers greater output and higher practical rpm. All of series are available with built-in recoil starters ("X" type). The "D" type series engine features with dual starting system, recoil starter and rotor starter. The " K" type series engines feature a built-in hexagonal shaft starting system that can be operated to start the engine easily and quickly.