GMSEngines

FEATURES: Dual ball bearing-supported crankshaft

Schnuerle porting

ABN (Aluminum Brass Nickel) piston/cylinder assembly

Forged aluminum connecting rod with dual bushings

Unique "squared" cylinder head design has more surface area than

most conventional cylinder heads, for cooler runs

Twin-needle carburetor

INCLUDES: Engine, Expansion-Style Muffler (with pressure fitting & rotatable

outlet), glow plug, wrenches, decals, and instructions.

REQUIRES: Prop, engine mount, fuel filter, and fuel (Thunder Tiger

recommends fuel with castor oil).

SPECS: Displacement: .455 cu in (7.46cc)

Bore: .853" (21.8mm)

Stroke: .7874" (20mm)

Power Output: 1.43 HP @ 16,000 RPM

Maximum RPM range: 2,000 - 17,000 RPM

Practical RPM range: 2,500 - 14,000 RPM

Weight (w/muffler): 17.01oz (482g)

Crankshaft thread size: 1/4-28

Crankcase width (for engine mount): 1.36"

Exhaust mounting width (center to center): 37mm

Overall height: 3.4" (87mm)

Overall width (w/mount flanges): 1.97" (50mm)

Overall length (backplate to front of drive washer): 3.39" (86mm)

Recommended prop size: Break-In: 11x5

Sport and Scale: 10.5x6, 11x6

Aerobatic: 10x6.5, 10.5x6, 11x5

FEATURES: Dual ball bearing-supported crankshaft

Schnuerle porting

ABN (Aluminum Brass Nickel) piston/cylinder assembly

Forged aluminum connecting rod with dual bushings

Unique "squared" cylinder head design has more surface area

than most conventional cylinder heads, for cooler runs

Twin-needle carburetor

INCLUDES: Engine, expansion-style muffler (with pressure fitting & rotatable

outlet), glow plug, wrenches, decals, and instructions.

REQUIRES: Prop, engine mount, fuel filter, and fuel (Thunder Tiger

recommends fuel with castor oil).

SPECS: Displacement: .398 cu in (6.52cc)

Bore: .8228" (20.9mm)

Stroke: .7480" (19mm)

Power Output: 1.22 HP @ 16,000 RPM

Maximum RPM range: 2,000 - 17,000

Practical RPM range: 2,500 - 14,000

Weight (w/muffler): 17.19oz (487g)

Crankshaft thread size: 1/4-28

Crankcase width (for engine mount): 1.36"

Overall height: 3.4" (87mm)

Overall width (w/mount flanges): 1.97" (50mm)

Overall length (backplate to front of drive washer): 3.39" (86mm)

Recommended prop size: 10x6 (break-in); 10x6 (aerobatic);

11x5, 10x6 (sport and scale)

This is a .36 size Airplane Engine by Thunder Tiger.

It is made in Taiwan and comes with a 3-Year Limited Warranty.

FEATURES: Dual Bearing-Supported Crankshaft

Schnuerle porting

ABN piston/cylinder assembly

Forged aluminum connecting rod with dual bushings

Unique "squared" cylinder head design has more surface area

than most conventional cylinder heads, for cooler runs

Twin-needle carburetor

INCLUDES: One Assembled Engine with glow plug

One Expansion-Style Muffler w/pressure fitting and rotatable outlet

One Wrench Set

One Instruction Set and Decals

REQUIRES: Prop, engine mount, fuel filter, and fuel (Thunder Tiger

recommends fuel with castor oil).

SPECS: Displacement: .365 cu in (5.98cc)

Bore: .8189" (20.8mm)

Stroke: .6929" (17.6mm)

Power Output: 1 HP @ 14,500 RPM

Maximum RPM range: 2,000 - 17,000

Practical RPM range: 2,500 - 14,000

Weight (w/muffler): 11.4oz (323g)

Crankshaft thread size: 1/4-28

Crankcase width (for engine mount): 1.22"

Overall height: 3" (76mm)

Overall width (w/mount flanges): 1.77" (45mm)

Overall length (backplate to front of drive washer): 2.95" (75mm)

Recommended prop size: 10x6 (break-in); 9x7, 9.5x6, 10x6 (aerobatic)

9x6.5, 9x7, 9.5x6, 10x6 (sport and scale)

SPECS: Displacement: .752 cu in (12.33cc)

Bore: 1.114" (28.3mm)

Stroke: 0.772" (19.6mm)

Practical RPM: 2,300 - 12,00 rpm

Output: 1.2 HP @ 11,000 rpm

Weight: 16.13oz (457.2g) without muffler

Crankshaft Size: 1/4-28

Height from Mounting Tab Bottom to Top of Rocker Arm: 3.5" (88.3mm)

Height from Crankcase Bottom to Top of Rocker Arm: 4" (101.6mm)

Width at Mounting Tabs: 2.12" (54mm)

Width of Crankcase below Mounting Tabs: 1.43" (36.5mm)

Center of Mounting Holes Same Side: .79" (20mm)

Center of Mounting Holes Opposite Side: 1.8" (45mm)

Center of Crankcase to Drive Washer: 2.25" (57.4mm)

Distance from Backplate Screw to Drive Washer: 3.23" (82.2mm

SPECS: Displacement: 8.86cc / .541 cu in

Stroke: 19.6mm / .7765 in

Bore: 24mm / .9448 in

RPM: 1800 -12,500

Power: .9 HP @ 12,000 RPM

Weight: 430g / 15.2oz

Recommended Props: Break in / 11x5

Flying / 10x9 - 11x8

Overall height: 99.75mm (3.92")

Center of crankshaft to top of valve cover: 81.5mm (3.2")

Between mounting holes front to back: 20mm (.787")

Between mounting holes side to side: 44mm (1.73")

Drive washer to rearmost point: 96.7mm (3.8")

Crankshaft thread: 1/4-28

FEATURES: Ideal for 120 size scale and sport models and aerobatic models

requiring stable power and linear throttle response

PD-08 pump and 70R carburetor integrated with regulator ensures

stable fuel delivery regardless of model attitude and fuel level

F-6020 three piece design muffler with center heatsink

New internal lubricating system eliminates breather tubing from the

crankcase

Two year limited warranty through Hobby Services beginning at date of

purchase

INCLUDES: FSa-155-P Four Cycle Engine with PD-08 Pump System, 70R Carburetor

F-6020 Muffler, Header Pipe, type F Glow Plug, Needle Valve

Extension Cable, Instruction Manual

REQUIRES: Fuel: Glow fuel with 5-20% nitro content and no less than 18%

lubricant content

Propeller: 16x8-12 or 17x8-12

Glow Starter

Field equipment

SPECS: Displacement: 1.548 cu in (25.36cc)

Bore: 1.323" (33.6mm)

Stroke: 1.126" (28.6mm)

Practical RPM: 2,000 - 10,000 RPM

Power Output: 2.6hp @ 10,000 RPM

Engine Weight: 28.40 oz (805g)

Muffler Weight: 3.35oz (95g)

Carburetor Settings-

Needle Valve: 2-1/2 - 3 turns from fully closed

Mixture Control Valve: Factory set, make only small adjustments if

needed, after adjusting needle valve as described in manual, turn

30° to lean idle mixture or 90° counterclockwise to richen mixture

then back again 45° clockwise

FEATURES: Broad power band for a wide variety of airplanes including models

designed for .60 2-stroke and .90 4-stroke engines

Redesigned cylinder head to match angled valve layout for steady

power at all times and a perfect balance between high combustion

and efficient cooling

Redesigned "Jet Stream" muffler with unique shape for more authentic

four stroke sound

Same mounting dimensions, drive hub position and linkage position as

the O.S. FS-91 Surpass II, 61FX, 65LA, 75AX, 95AX and FS-110

Two year limited warranty through Hobby Services beginning at date of

purchase

INCLUDES: O.S. Engines FS-95V Four Stroke Engine with Type F Glow Plug, Muffler

Header Pipe with two Locknuts and Instruction Manual

REQUIRES: Fuel: 5-20% nitromethane aircraft blend with 18% lubricant content

Propeller: Sport & Aerobatic 13x7-9, 14x6-8

Scale 15x6-8

SPECS: Carburetor Settings-

Needle Valve: 2-1/2 - 3 turns from fully closed

Mixture Control Valve: Rotate until slotted head is flush with carb

body. After setting needle valve, rotate mixture control valve

approximately 45° clockwise to lean the mixture or 45° counter-

clockwise to richen mixture

FEATURES: Improvements over the original FS series include;

Elimination of Crankcase venting-excess crankcase oil is now drawn

into the Rocker Cover, injected back into the combustion chamber.

Stronger Connecting Rod, Wristpin and Valve assembly

Extended intake tube on Carburetor restrains the reverse flow of

the air/fuel mixture

Decreased width Camshaft housing for less interference with sides

of aircraft nose section

F-4040 muffler with adjustable offset and outlet direction for

easier cowl installations

40NA two needle Carburetor

INCLUDES: O.S. Max 56FS-a Four-Stroke Engine with F-4040 muffler, type "F"

header pipe, glow plug, instruction manual

REQUIRES: Fuel: 5-20% nitro with 18% lubricant content

Propeller: Sport & aerobatic; 13x6, 12x6-8

Scale; 13x6-7, 12x6-8

(break-in engine with prop intended for use on model)

Electric starter, glow starter and field equipment

SPECS: Displacement: 0.569 cid (9.32cc)

Bore: .945" (24mm)

Stroke: .811" (20.6mm)

Practical RPM: 2,400-13,000

Weight: 14.8oz (419g)

Crankshaft Size: 1/4-28

Break-in Needle Valve Settings: 2-2.5 turns from fully closed

Distance Between Mounting Holes Same Side: .69" (17.5mm)

Distance Between Mounting Holes Opposite Side: .16" (44mm)

Height from Crankshaft Center to Rocker Cover: 3.3" (84mm)

Distance from Crankcase Center to Prop Hub: 2" (50.8mm)

Distance from Crankcase Center to End of Crankshaft: 3.5" (88mm)

Distance from Crankcase Center to Throttle Lever Center:1.3" (32.5mm)

Width of Crankcase Below Mounting Tabs: 1.3" (34.1mm)

Angle of Muffler in Relation to Engine: 11°

Needle Settings: High Speed: 2.5 - 3 turns out from fully closed

Low Speed: Flush with carb body

This is the O.S. Max 1.60 FX High-Performance R/C Engine used for

Sport and Aerobatic Aircraft.

This 1.60 FX is Designed to use a Muffler or Tuned Pipe.

FEATURES: One-piece crankcase

Twin ball bearing-supported crankshaft

Schnuerle porting (Schnuerle scavenging)

Steel liner and ring with Aluminum piston

Tall, squared heat sink head for added cooling

Engineered for low fuel consumption and tight installations.

Side exhaust with muffler with rotatable exhaust outlet. Wide wing-

shaped exhaust port contributes to higher torque at lower rpm.

Extra long crankshaft & jam nut w/prop washer to secure the propeller

#60F Carburetor with remote needle mounted on the backplate of the

engine (to keep fingers away from the spinning propeller).

The remote needle valve can be mounted three ways: vertical,

horizontal, and separate from the engine.

Two year warranty

INCLUDES: One Assembled 1.60 FX Ringed R/C Airplane Engine, #60F Carb,

smaller nut for APC props and 3/8-24 safety lock nut

One exhaust adaptor

One remote needle valve

One 77mm (3") clear fuel tubing for remote needle

Two 5 x 15mm cap head adapter mounting screws

Two 5 x 19mm cap head muffler mounting screws

One 4mm allen wrench

One expansion style muffler (E-5010) with screws

One illustrated instructions booklet w/parts list and O.S. decal

One O.S. #8 glow plug (OSMG2691)

FEATURES: Advanced Bi-Metallic Liner. This process uses a double layer of

plating material rather than one thick layer. This helps the metal

to bond to the cylinder and is more durable. Also, the plating

process is more consistent, resulting in a more precise fit between

piston and sleeve for better compression, longer life.

Side exhaust

E-3071 Power Box muffler with squared-off shape enables it to fit

into a variety of cowls

40K carburetor with rear angled needle valve for added safety

Ball bearing-supported crankshaft

Two-year limited warranty through Hobby Services beginning at date of

purchase

INCLUDES: One O.S. Max .46AXII ABL BB model airplane engine w/muffler, A3 glow

plug, two 3mm x 35mm cap head muffler screws, extension cable for

remote needle, 3mm x 35mm cap head muffler screws, warranty sheet,

decal sheet, and illustrated instruction manual

REQUIRES: Fuel containing 5%-20% nitromethane with at least 16% lubricant

Most of the fuels we carry meet or exceed the lubricant content

required for optimum performance and maximum engine life. In the

past, the conventional lubricant content used in fuel was 18%. But

with new advanced technologies, fuels like Red Alert and O'Donnell

for example, have a better quality of lubricants even though the

percentages of lubricant content are lower. These high-tech

lubricants provide exceptional cooling and protection

SPECS: Displacement: 0.455 cu in (7.45cc)

Bore: 0.866" (22mm)

Stroke: 0.772" (19.6mm)

Practical RPM: 2000-17000

Power Output: 1.65PS, 1.67HP/16000 RPM

Weight: 13.3oz (378g) without muffler

Recommended Propellers: 10.5x6, 11x6-8, 12x6-7, use 10x6 for break-in

Crankshaft Size: 1/4-28

Distance from remote needle to end of crankshaft: 4.7" (119.4mm)

Distance from center of engine to drive hub: 2.4" (61mm)

Distance from center of engine to end of crankshaft: 3.4" (87.6mm)

Distance/crankshaft center to muffler exhaust outlet: 3.9" (100.5mm)

Height from crankcase bottom to top of cylinder head: 3.3" (85.2mm)

Height/crankshaft center to top of cylinder head: 2.6" (67.4mm)

Width including mounting tabs: 2" (50.8mm)

Width not including mounting tabs: 1.4" (35.6mm)

Width/mounting hole centers same side: .69" (17.5mm)

Width/mounting hole centers opposite side: 1.7" (44mm)

Diameter of muffler body: 1.5" (38.1mm)

Angle of muffler in relation to engine: 4°

Carburetor Settings;

Needle Valve: 1½ to 2 turns out from closed position

Low Speed Needle (aka: Mixture Control Valve): Close throttle rotor

gradually from the fully opened position until it is just fully

closed (do not turn further).

Screw in the Mixture Control Screw until it stops. Now open the

Mixture Control Screw approx. one turn.

This is the OS Engines GT22 Gasoline Powered Engine with Muffler

and Rear Mounted Carburetor.

**Additional Technical Info Will Be Added When It Becomes Available.**

FEATURES: Beam mounting design allows engine to fit inside cowls that are

sized for 2-stroke .60-.91 and 4-stroke 1.20 glow engines

Custom designed rear mounted Walbro carburetor with choke rod guide

integrated into crankcase that minimizes set-up time

IG-02 electronic ignition handles 4-6 cell NiCd, NiMH or 2-cell LiPo

and LiFe batteries

Pitts style muffler has reinforced mounting bolt holes and webbing at

high stress points

Two year limited warranty through Hobby Services beginning at date of

purchase

INCLUDES: GT22 Engine with Muffler, Electronic Ignition Module, CM-6 Spark Plug

Muffler Gasket, Muffler Bolts and Instruction Manual

REQUIRES: 2-cycle oil

Ignition Battery: 4-6 cell NiCd, NiMH, or 2-cell LiPo

LiPo battery requires voltage regulator

Propeller: 16x8, 16x10, 17x6, 17x8

Gasoline safe fuel tubing and fuel filter

SPECS: Displacement: 1.35 cu in (22 cc)

Bore: 1.26" (32mm)

Stroke: 1.08" (27.5mm)

Practical RPM Range: 1,800 - 9,000

Output: 2.66 hp @ 9,000 RPM

Weight:

Engine: 26.86oz (761.6g)

Muffler: 4.68oz (132.6g)

Ignition Module: 3.7oz (105g)