OS Engines

O.S. Engines Needle Valve Assembly (61B) #OS29085900

O.S. Engines Non-Bubble Weight S (Clunck) for fuel tank

O.S. engines O-ring set for OS 140RX, set of 2 pcs

This is a replacement ring for os engines

fits O.S. Engines Piston Ring, for use with MAX 60SR / 61FSR / 65RSR / 61SX-H / 61LX-H /61SFN-H

This a replacement O.S. Engines Piston Ring, for use with O.S. 50SX-H, 46SF-H, 46FX-H, 50SX, 50SH

O.S. Engines Piston Ring, for use with OS 140RX #29403400

This is a replacement ring for os engines

O.S. Engines Piston Ring, for use with OS 37SZ-H, 40SF #25403400

O.S. engines set of accessories for Carburator # OS72407350

O.S. engines set of accessories for Carburator

O.S. Engines Throttle Lever ASSEMBLY 70N-C14-86-60F #OS27881400

This is the O.S. GT33 2-Stroke Gasoline Engine. The GT-33 Gasoline Engine produces 10% more power than any other engine in its class! An electric ignition system offers fast, easy starting and can use LiFe, LiPo, NiCd or NiMH power. The E-5030 muffler resists distortion, resulting 5dB less noise than the competition. Includes a Walbro carb and CM-6 spark plug.

Features:

Electronic ignition system offers fast, easy starting — and accepts LiFe, LiPo, NiCd and NiMH power.

Rear-mounted Walbro carb and intake simplify mounting and installation.

O.S. E-5030 muffler effectively controls exhaust noise without compromising performance.

Includes CM-6 spark plug.

Specifications:

Displacement: 2.013"³ (32.98cc)

Bore: 1.417" (35.99mm)

Stroke: 1.276" (32.41mm)

RPM Range: 1000-8000

Total Weight: 43.39 oz (1230g)

Engine: 34.57 oz (980g)

Muffler: 4.94 oz (140g)

Ignition: 3.88 oz (110g)

Requirements: 2-cycle oil, 4.8-6V (4-5 cell) NiCd or NiMH or 7.4V (2S) LiPo or 6.6V (5.5-cell) LiFe battery pack, Voltage regulator (LiPo use only) and 18x8 prop (for break-in); 18x10-12, 19x10 or 20x8-10 (for subsequent use)

Long Socket Wrench w/Plug Grip

Premium performance for 30-40-sized machines, from extreme aerobatics to stable hovering
Same mounting pattern and muffler dimensions as the .32 SX-H, for easy installation in most 30-40 size helis
Re-engineered crankshaft reduces vibration resulting in smooth power across the entire RPM range
20M carburetor with idle needle positioned on same side as main needle for easier adjustments
Two year limited warranty

Includes:

• O.S. Max .37 SZ-H Ring Helicopter Engine
• #8 Glow Plug
• 20M Carburetor
• Instruction manual
• Sticker sheet

Specifications:
Displacement: 0.37 cu in (6.07cc)
Bore: 0.806 in (20.5mm)
Stroke: 0.725 in (18.4mm)
Practical RPM range: 2000-21,000
Output: 1.4 ps @ 18,000 RPM
Weight: 10.3 oz (293g)
Crankshaft Size: 1/4-28
Distance between mounting holes same side: 0.6" (15mm)
Distance between mounting holes opposite side: 1.5" (38mm)
Width including mounting flanges: 1.8" (45mm)
Width neglecting mounting flanges: 1.5" (38mm)
Height/bottom of crankcase to top of cylinder head: 3" (76mm)
Height/bottom mounting flanges to top of cylinder head: 2.4" (61mm)
Distance/center of crankcase to front bearing: 1.8" (46mm)
Distance from backplate to front bearing: 2.6" (67mm)
Distance from backplate to end of crankshaft: 3.7" (94mm)
Low speed needle 1 turn in from flush with carb body
High speed needle 1.5 turns out from closed
 

This is the O.S. Max 105 HZ Helicopter Engine. This is the engine precision aerobatic and 3D heli pilots have been waiting for! In order for 90-sized machines to nail huge maneuvers and hardcore, smackdown-style 3D it's all about power, and the 105HZ has it in abundance. Displacement has been increased by 15%, while a huge venturi rams air into the carburetor, producing massive power. Plus, they fit in a .90-sized mounting pattern.

Features:

•   Featuring the displacement of a 1.05 in the mounting space of a .90.
•   More displacement means more power, and these engines boost displacement by 15%!
•   A huge venturi boosts output even further.
•   The machined, blue anodized heatsink head is light in weight, and cools the engine efficiently.

Specifications:

• Displacement: 1.048 cu in (17.17cc)
• Bore: 1.442 in (29mm)
• Stroke: 1.024 in (26mm)
• Practical RPM: 2,000-16,500
• Output: 3.75 hp @ 15,000 rpm
• 105HZ Weight: 21.03 oz (596g)

This is the OS Engines 56FS-a Alpha Series four stroke ring engine, with 40NA carburetor and included OS F4040 muffler. A big performance boost for 40-size planes, it's like giving your 40-size plane a new lease on life! Ushering in a new era in O.S. 4-stroke technology: the 56FS-a. It's the first in the alpha series, with the latest advancements for boosting your plane's performance

Specifications:

Displacement:569 cu in (9.32 cc)

Bore:945 in (24.0 mm)

Stroke:811 in (20.6 mm)

Practical rpm range:2,400-13,000

Output:0 hp @ 10,000 rpm

Weight w/muffler:26 oz (461 g)

Recommended props:Sport & aerobatic; 13x6, 12x6-8; Scale: 13x6-7,12x6-8

This is a DRS (regulator pump) engine. With Demand Regulator System, Cylinder capacity: 8,93 cm³ Output Power: 2,13 HP @ 17000 RPM Ideal power drive for T-REX 600N, OXY5 Nitro... O.S.

Technical information

• Distance of screw hole / longitudinal [mm]: 17,5
• Distance of screw hole / crosswise [mm]: 44
• Item Number Manufacturer: 15650
• Model: 2-Takt Nitro
• Diameter of fixing hole [mm]: 3,2
• Bore [mm]: 23
• Width [mm]: 52
• rpm range, approx.: 2000~20000
• All-up weight [g]: 429
• Height approx. [mm]: 91
• Stroke [mm]: 21,5
• Cylinder capacity [ccm]: 8,93
• Cooling system: Air
• Length to hub: 76,6
• Output [W]: 1570
• Output [kW / PS] at [rpm]: 1,57 (2,13) 17000
• Carburetor : 40L-R
• Shaft thread: UNF1/4-28

This is the OS #8 Glow Plug for 2-Stroke R/C Engines.

The O.S. #8 glow plug is the most widely used O.S. glow plug. This works with most 2-stroke aircraft engines, as well as some 2-stroke car and truck engines.

Features:

Medium heat range plug for most model engine applications

Plug is medium length, without idle bar For all standard 2-stroke engines

Includes: One glow plug and one brass washer

This is the OS #8 Glow Plug for 2-Stroke R/C Engines. this is a special deal for 12 pcs of OS8 glow plug.

-Our products comes from OS Japan, it is pure and original product. 

The O.S. #8 glow plug is the most widely used O.S. glow plug. This works with most 2-stroke aircraft engines, as well as some 2-stroke car and truck engines.

Features:

Medium heat range plug for most model engine applications

Plug is medium length, without idle bar For all standard 2-stroke engines

Includes: One glow plug and one brass washer

OS Carburettor Assy (60LH) engine OS 50SX-HI

Sold without retainer screw!

OS Cover Gasket FS2005.91SZ.RZ #29061410

This is the engine that precision aerobatic and 3D heli pilots have been waiting for! In order for 90-sized machines to nail huge maneuvers and hardcore, smackdown-style 3D it's all about power, and the 105HZ-R has it in abundance. Displacement has been increased by 15%, while a huge venturi rams air into the carburetor, producing massive power. Plus, they fit in a .90-sized mounting pattern.

• Featuring the displacement of a 1.05 in the mounting space of a .90.
• More displacement means more power, and these engines boost displacement by 15%!
• A huge venturi boosts output even further.
• The machined, blue anodized heatsink head is light in weight, and cools the engine efficiently.
• An extra feature on the 105HZ-R is the pressurized DRS (Demand Regulator System), which ensures consistent fuel flow regardless of the heli's attitude.

Specifications:

• Displacement: 1.048 cu in (17.17 cc)
• Bore: 1.442 in (29 mm)
• Stroke: 1.024 in (26 mm)
• Practical RPM: 2.000-16,500
• Output: 3.8 ps @ 15,000 rpm
• 105HZ Weight: 21.03 oz (596 g)
• 105HZ-R Weight: 21.46 oz (608 g)

A tool to remove and set in piston clips. Tips are curved and an inner side of the tip is grooved to hold a piston clip tightly.

For use with O.S. GG series gasoline powered engines that use a glow plug instead of a spark plug for ignition
Specifically designed for a gasoline/oil mixture
Uses standard glow igniter

INCLUDES

G5 Glow Plug with Washer

COMMENTS

Not for use with glow (nitromethane) powered engines.

OS Engines 50 Piston Pin Retainers

These are the Piston Pin Retainers for the O.S. Max 50SX-H and the 50SX-HG Engines.
These retainers snap into grooved holes on either side of the piston to hold the piston pin in place.

INCLUDES:
Two Piston Pin Retainers for the O.S. Max 50SX-H and 50SX-HG Engines.

REQUIRES:
Inserting piston pin through connecting rod and piston, and fitting retainers into holes on piston.

This is the OS 55HZ Hyper Ringed Helicopter Engine with the 40L Carburetor. Ideal for 3D flight-power equal to .60 size heli engines Same mounting bolt pattern and silencer size as the OS 50SX-H Hyper Dual needle 40L carburetor with four arm throttle lever for use with a variety of servo brands Best works with 10% to 30% nitro Fuel with at least 18% lubricant (Helicopter Mix)

Specifications

• Displacement: 0.55 cu in (8.93cc)
• Bore: 0.91" (23mm)
• Stroke: 0.85" (23.5mm)
• Practical RPM: 2,000-17,000 RPM
• Weight: 14.39oz (408g)

This is the O.S. .91 HZ-R 3D Speed Competition 3D Helicopter Engine, with 61G carburetor. O.S. has taken high-performance, high-speed helicopter engines to the next stage of evolution with the introduction of the 91HZ-R 3D Speed. This engine offers unique features that give pilots a distinct advantage in 3D competition, like the Demand Regulator System, which supplies the carburetor with a consistent fuel supply regardless of the level of fuel in the tank, or the attitude of the helicopter. A re-designed combustion chamber has been shaped to match the big bore carburetor and advanced exhaust cylinder timing providing optimum performance, while the lightweight, CNC machined cooling head and black anodized crankcase provides efficient cooling in the harshest conditions.

91HZ-R 3D Speed Features:

• Designed for all-out, aggressive 3D competition.
• Offers incredibly stable mid-range torque for awesome 3D flight
• Carburetor inlet enlarged to 11.2 mm
• Exhaust port timing set at 165°
• Combustion chamber shaped to match the big bore carburetor and advanced exhaust cylinder timing
• Demand Regulator System (DRS) guarantees a steady fuel supply to the carb at any attitude, on a full or empty tank and during the most abrupt throttle changes
• Lightweight, machined cooling head
• Crankshaft counter weight has been modified to reduce vibration at high RPM
• Black anodized crankcase offers better heat dissipation

Specifications:
Displacement: 0.91 cu in (14.9cc)
Bore: 1.09 in (27.7mm)
Stroke: 0.98 in (24.8mm)
Output: 3.6 hp @ 15,500 rpm
Practical RPM: 2,000-16,500
Weight: 21.2 oz (603g)
Requirements: 10%-30% nitro fuel with at least 18% lubricant content

OS Engines Cover Plate 55HZ

OS Engines Carburator Retainer 55HZ #OS25881700

OS Engines carburetor Needle O-ring set #24981837

set of 2 O-rings

OS Engines carburetor O-ring #29015019

FOR CARBURETORS:

20A,B, E,G, J, 21B ,40E,7D,60C,F,G,H,L,70A,C,8AA 

OS Engines Carburetor venturi Air Funnel 55HZ- 105HZ

OS Engines Carburettor Complete GT15HZ

OS Engines carburettor gasket 2A,3A,3H,20,10E/D,40D

OS Engines carburettor gasket 40-.61/FT-240/300 # OS46215000

OS Engines Carburettor Gasket GT15HZ

OS Engines Carburettor parts #72406320