OS Engines

OS Engines Gasket Head 65AX #26904160

This is the 0.2mm Head Gasket for the;O.S. Engines 105HZ and 105HZ-R Helicopter Engines.

Features:

• Factory installed for use with 15% nitro fuel

Specifications

• Thickness: 0.00787" (0.2mm)

OS Engines Gasket Set .91 FX Osm29514000

OS engines Gasket set for 91Z-H #29061400

OS engines Gaskets set for 50SX-H

Set of OS engines Gaskets set for 70SZ-H #27014000

os-engines-genuine-rear-bearing-46-50-55-sx-hz-25830010

OS Engines Genuine Rear Bearing 46-55 SX-HZ #25830000

OS Engines Genuine Rear Bearing 61-300 #29030001

• 61SF, 61SFN, 61FX
• 91FX
• FT300
• FR5-300

Genuine OS Rear Bearing for OS Engines 61SX-H WC,91SXH,SZH,RZ-H,HD

The O.S. GF 40 combines the ease of use and economy of the traditional 4 stroke engine with a petrol engine. The fast and powerful response is ideal for scale sport and aerobatic models. The mounting points are identical to the GT 33 2 stroke engine. The carburetor was developed by O.S. in cooperation with Walbro especially for this engine.

Technical data

• Cooling: Air
• Width [mm]: 83.7mm
• Shaft thread: UNF-5/16-24
• Spacer holes lengthwise [mm]: high 54mm
• Carburetor: WT GF 40
• Total weight [g]: 1378g
• Height approx. [mm]: 157.2mm
• Def. hole Ø [mm]: 5.2mm
• Speed range approx.: 1800 - 9000 rpm
• Bore [mm]: 40mm
• Spacing of transverse mounting holes [mm]: 70mm
• Displacement [ccm]: 39.96 cm³
• Power kW (hp) at: 3.75 at 9,000 rpm
• Recommended propeller: 18x8 - 20x10
• Length to hub: 118.5mm
• Stroke [mm]: 31.8mm
• Shaft Ø [mm]: 7.8mm
• Brand name: O.S.
• Range of application: Model aircraft
• incl. silencer: Yes
• Fuel: Petrol
• Type: 4-stroke petrol
• Article number Manufacturer: OS39400
• The O.S. GF40 engine is operated with "normal" petrol mixture 1:25.


Box contents

• Engine
• Instruction
• Ignition
• Spark plug
• Silencer

OS Engines Heatsink 105HZ. This is the Cylinder Head for the O.S. Engines 105HZ Helicopter Engine.

FEATURES:

• Aluminum construction
  
• anodized blue in color

OS Engines HEATSINK HEAD (BLUE) 50SX-H HYPER

OS Engines Heatsink Head GT15HZ

OS Engines Hexagon Head Screw M3.5 (10pcs./Set) #79871090

Check valve for All OS HZ-R Engines, 55-91-105 HZR

Running silicone fuel tubing from pressure nipple at fuel tank cap to check valve, and then to engine.

OS Engines Lock Cone Nut set 70-91-120 #45910200

OS Engines Lock Nut Set GT33 #28310000

OS Engines Locknut Set 3/8M5S BGX, 160FX #29310110

OS Engines M3X3 Set Screw

OS engines MAX 140RX rear exhaust Header pipe set

approx length 240mm

METERING VALVE O-RING for OS Engines 91S-H,91SZH,FS120S,S2

Mix Control Valve O Rings for OS Engines 105HZ

OS Engines Mixture Control Screw

Aluminum construction, black in color
5dB lower noise level than the competition

INCLUDES
Pitts Muffler with Fiber Gasket, two 5x45mm Socket Head Cap Screws
and two 5.5mm Diameter Washers

SPECIFICATIONS
Muffler Body Width: 4.5" (114mm)
Muffler Body Diameter: 1.96" (50mm)
Weight: 5.65oz (160.5g)
Distance between Muffler Mounting Hole Centers: 1.3" (34.1mm)
Output Pipe Length: 2" (51mm)
Output Pipe Inner Diameter: 0.59" (14.9mm)

OS engines Muffler Silencer 744 for OS 50FSR-61FSR-90FSR #26625009

Needle Valve Assembly for for the OS 60B - OS91 SZ, OS91 HZ and also used on the following engines 40E, 60B, 60G, 60H, 60L

OS Engines Needle Valve Holder Assembly 20C, 60U, 70D, 40J #27381940

OS Engines O-RING (L) for Mixture control valve 91SX-H,91SZH,FS120S 

OS engines OS 61SF series Gasket Set , Head and Backplate #27714000

Including: Head Allow gasket and Backplate special material Gasket

OS Engines Piston 105HZ

OS Engines Piston 70SZ-H

This is a replacement O.S. Piston, and is intended for use with the O.S. 55HZ-H engine.

OS Engines Piston Pin 105HZ, 91HZ