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Part No:
L-IRV4362
Item Name:
Irvine 36 Ring R/C Helicopter Mkii
Our Price:
£78.29
Irvine 36 Ring R/C Helicopter Mkii - l-irv4362

The Irvine 36 helicopter engine features a ringed piston/liner assembly for easy starting and forgiving handling that makes this an excellent choice for the novice pilot. Features twin ball races for durability, and a high precision twin needle carburettor for smooth progressive throttle response.
SPECIFICATION
Bore:20.5mm (0.807")
Displacement:5.94cc (0.36cu.in.)
Power Output:1.1PS @ 19000 rpm
Practical RPM:3,000 - 20,000
Irvine

Supplier stock. Despatch will take 3-5 days longer than our standard delivery time.
£78.29
Part No: L-IRV4362
Item Name: Irvine 36 Ring R/C Helicopter Mkii
Brand: Irvine
Part No:
L-IRV4393
Item Name:
Irvine 39 Abc R/C Helicopter
Our Price:
£94.49
Irvine 39 Abc R/C Helicopter - l-irv4393

A phenomenally powerful helicopter engine that produces massive levels of torque. Features an ABC piston/liner assembly and twin ball races for enhanced durability. The twin needle precision carburettor ensures razor-sharp throttle response. Best suited to the latest generation of 'larger' 30 size machines.
SPECIFICATION
Bore:21.20mm (0.835")
Displacement:6.35cc (0.39cu.in.)
Power Output:1.4PS @ 20000 rpm
Practical RPM:3000 - 21000 rpm
Irvine

£94.49
Part No: L-IRV4393
Item Name: Irvine 39 Abc R/C Helicopter
Brand: Irvine
Part No:
L-OS14000
Item Name:
OS O.S. Max 37SZ-H Ring w/o Drive W
Our Price:
£144.99
O.S. Max 37SZ-H Ring w/o Drive Wash - l-os14000

The brilliant new O.S. 37SZ-H is the perfect choice when you want the ultimate in performance from your 30 class helicopter. Features a super-rigid crankcase, ringed piston/liner assembly, and a new carburettor for precision control, suitable for use with push-pull set ups. An outstanding performer.
SPECIFICATION
Bore:20.5mm (0.807")
Displacement:6.07cc (0.37cu.in.)
Power Output:1.4PS @ 18000rpm
Practical RPM:2,000 - 21,000
OS

Supplier stock. Despatch will take 3-5 days longer than our standard delivery time.
£144.99
Part No: L-OS14000
Item Name: O.S. Max 37SZ-H Ring w/o Drive Wash
Brand: OS
Part No:
L-OS15470
Item Name:
OS O.S. Max 46FX-H Ring
Our Price:
£125.99
O.S. Max 46FX-H Ring - l-os15470

A new, high performance 46 class heli engine with a ringed piston and fitted with a Type 40C carburettor developed for helicopter use.Very powerful, but easy to handle and reliable. Its features include a large heatsink head for improved cooling, twin ball raced crankshaft and identical mounting hole pattern, crankshaft thread and external dimensions to its predecessor, the popular 46SF-H.
SPECIFICATION
Bore:22.0mm (0.866")
Displacement:7.45cc (0.455 cu.in.)
Power Output:1.62 bhp @ 16,000 rpm
Practical RPM:2,000-17,000
OS

£125.99
Part No: L-OS15470
Item Name: O.S. Max 46FX-H Ring
Brand: OS
Part No:
L-OS15550
Item Name:
OS O.S. Max 50SX-H Ring Hyper
Our Price:
£191.39
O.S. Max 50SX-H Ring Hyper - l-os15550

The ultimate 50 class helicopter engine. Features a CNC machined cylinder head, for increased power with improved cooling, twin ball races, and a newly designed high performance carburettor for razor-sharp control of the immense power and torque available. Outstanding quality, with performance to match.
SPECIFICATION
Bore:22.0mm (0.866")
Displacement:8.17cc (0.50cu.in.)
Power Output:1.9PS @ 17000rpm
Practical RPM:2,000 - 20,000
OS

Supplier stock. Despatch will take 3-5 days longer than our standard delivery time.
£191.39
Part No: L-OS15550
Item Name: O.S. Max 50SX-H Ring Hyper
Brand: OS
Part No:
L-OS15630
Item Name:
OS O.S. Max 55Hz Hyper
Our Price:
£209.99
O.S. Max 55Hz Hyper - l-os15630
Click here to see more images.

The max 50SX-H Hyper has established an enviable reputation for power, reliability and ease of use. The Max 55HZ Hyper moves that to a whole new level!Designed primarily with the demands of the 3D pilot in mind, the 55HZ Hyper delivers .61 size performance in a .46 size crankcase. That power comes from the extensive experience that O.S.
SPECIFICATION
Bore:23mm (0.91")
Displacement:8.93cc (0.55cu.in)
Power Output:2.1PS @ 17,000rpm
Practical RPM:2,000 - 20,000
OS

Email me when availabe!Out of Stock
£209.99
Part No: L-OS15630
Item Name: O.S. Max 55Hz Hyper
Brand: OS
Part No:
L-OS15650
Item Name:
OS O.S. Max 55Hz-R
Our Price:
£251.99
O.S. Max 55Hz-R - l-os15650
Click here to see more images.

The latest engine in the 600/50 helicopter class borrows much of its technology from the fabulous Max 91HZ-R, to provide class leading power under the most demanding of 3D manouevres.

The latest DRS system (Demand Regulator System) uses a crankcase pressure tap-off to pressurise the fuel tank via a one way valve.
SPECIFICATION
Bore:23mm (0.91")
Displacement:8.93cc (0.55cu.in)
Power Output:2.1PS @ 17000rpm
Practical RPM:2,000 - 20,000
OS

Supplier stock. Despatch will take 3-5 days longer than our standard delivery time.
£251.99
Part No: L-OS15650
Item Name: O.S. Max 55Hz-R
Brand: OS
Part No:
L-OS17940
Item Name:
OS O.S. Max 61RX-H Ring World Champ
Our Price:
£199.99
O.S. Max 61RX-H Ring World Champion - l-os17940

As with the engine above (L-OS17930) this is designed expressly for FAI F3A competition, the O.S. Max 61RX-H Ring is the engine to install in your competition helicopter.
SPECIFICATION
Bore:24.0mm
Displacement:9.95cc
Power Output:2.2ps @ 16,000rpm
Practical RPM:2,000 - 18,000rpm
OS

£199.99
Part No: L-OS17940
Item Name: O.S. Max 61RX-H Ring World Champion
Brand: OS
Part No:
L-OS18700
Item Name:
OS O.S. Max 105HZ Heli Engine
Our Price:
£321.89
O.S. Max 105HZ Heli Engine - l-os18700
Click here to see more images.

This is the engine that precision aerobatic and 3D heli pilots have been waiting for! In order for .90 sized machines to nail huge manoeuvres and hardcore, smack-down 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 carburettor, producing massive power.
SPECIFICATION
Bore:29mm
Displacement:17.17cc
Practical RPM:2,000 - 16,500rpm
Stroke:26mm
OS

£321.89
Part No: L-OS18700
Item Name: O.S. Max 105HZ Heli Engine
Brand: OS
Part No:
L-OS18750
Item Name:
O.S. MAX 105HZ-R
Our Price:
£394.99
O.S. MAX 105HZ-R - l-os18750
Click here to see more images.

OS

Email me when availabe!Out of Stock
£394.99
Part No: L-OS18750
Item Name: O.S. MAX 105HZ-R
Brand: OS
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