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Unfortunately this product is no longer available, please try searching for a similar product in case we have re-listed as a special combo or the product has changed.

O.S. OS GT15HZ Petrol with E-4051 Silencer-on order [L-OS38154]  

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 compact standard type silencer is suited to compact/sport installations especially in scale helicopters.



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