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)

FEATURES: Dual ball 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 Engine with glow plug

One Expansion-Style Muffler w/Pressure Fitting & Rotatable Outlet

One Wrench Set

One Instruction Booklet and Decals

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

recommends fuel with castor oil).

SPECS: Displacement: .609 cu in (9.97cc)

Bore: .9251" (23.5mm)

Stroke: .9055" (23mm)

Power Output: 1.8 HP @ 13,000 RPM

Maximum RPM range: 2,000 @ 17,000

Practical RPM range: 2,500 @ 14,000

Weight (w/muffler): 26.1oz (740g)

Crankshaft thread size: 5/16-24

Crankcase width (for engine mount): 1.69"

Overall height: 4.13" (105mm)

Overall width (w/mount flanges): 2.48" (63mm)

Overall length (backplate to front of drive washer): 3.74" (95mm)

Recommended prop size: 11x9, 11x10, 10x11 (aerobatic)

11x8, 12x7, 12.5x6 (sport and scale)

11x7 (break-in)

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

This is the FS-91II Surpass 4-Stroke Engine.

This engine does not use a choke valve OR use a return fuel line to the tank.

THERE ARE NO TOOLS OR EXTRA NEEDLE VALVE AS STATED IN THE INSTRUCTIONS.

FEATURES: New rear-mounted, updraft 60P Carb, Intake Manifold, and Coverplate.

Helix gear-driven camshaft supported by ball bearings.

Ringed piston.

No longer utilizes a choke valve

Grease-packed twin-sealed corrosion-resistant rear ball bearing.

Two Year Warranty

INCLUDES: One Assembled Engine w/Carburetor.

One type #F Glow Plug.

One Muffler w/Manifold.

One Set of Instructions and Decal.

(Wrenches, Choke Valve Extension, and Mounting Template Are No

Longer Included per O.S.)

REQUIRES: Fuel: 5%-15% nitromethane with 18% lubricant. Synthetic, castor, or

a synthetic/castor blend may be used.

NOTE: Certain four-cycle fuels cannot be used due to low oil content.

However, SOME four-cycle fuels such as the Wildcat 4-Cycle 15%

(CATP9109) may be used because it has 18% oil content.

When choosing fuels for this engine, the modeler must be sure to

select a fuel with at least a 18% lubricant content.

Propeller (see SPECS)

Starting and Field Equipment

SPECS: Bore: 27.7mm (1.09")

Stroke: 24.8mm (.976")

Displacement: 14.95cc (0.912 cubic inch)

Power Output: 1.6 BHP at 11,000 RPM

Practical RPM Range: 2,000 - 12,000 RPM

Crankshaft Thread Size: 5/16-24

Weight-With Muffler: 24.2oz (686g)

Weight-Without Muffler: 22.6oz (641g)

Valve Clearance: Between .04mm and .1mm (or between .0015" and .004",

measured between the valve tip and rocker arm)

Length: 91.5mm (3.60") from backplate to front of drive washer.

Width: 42.6mm (1.68") width of engine neglecting the mounting flanges

52mm (2.05") distance between the mounting hole centers

Height: 123mm (4.88")

Suggested Prop(s): Stunt planes: 11x11-12, 12x10-12, 13x9

Scale models: 13.5x8, 14x7, 15x6, 16x6, (12x8 & 12.5x7-3 blade)

Construction: Aluminum and Aluminum alloys

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)