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PLEASE NOTE: Currently we are open for Telephone and Internet Orders Only

At present some suppliers are closed, and some deliveries may take longer than usual.

Due to the Lockdown we only have 1 member of staff working, but we are here trying our best to serve you.

Telephone Hours will be 10am-2pm, Mon-Fri till further Notice. 


O.S. OS GT15HZ Petrol with 15HZ Powerboost Pipe- 1-2day Order [L-OS38153]  
RRP: £469.99
Our Price: 422.99 

The O.S. GT15HZ 2-Stroke petrol helicopter engine is also the first petrol engine designed especially for 90 class engine/ 700 class electric helicopters. With an approximate runtime ratio of 1 minute per 10cc of petrol, it offers astoundingly long flight times and low cost alternative to glow fuel.

Gasoline engine generates larger amount of heat. To prevent overheating, large deep-?nned head is employed which ensures steady power supply by cooling entire engine efficiently.

The Ignition unit has been designed with ignition timing specifically for helicopter engines and features a straight plug cap for easier installation in the limited space. Suitable for use with a 4.8-7.5V battery.

OS test data shows with a 300cc fuel tank you can achieve an approximately 25 minute long flight!

The included PowerBoost pipe gives you maximum power from the engine and an improved throttle response.



Weight:Engine = 706g, CDI = 92g
Power Output:2.8PS @ 14,000 rpm
Practical RPM:2,000 - 16,000 rpm