REX engines - Heli - 15cc - R91HR1 Suggested retail price: 342,00 EUR - VAT included.

Fuel recommendation: This engine has been developed to be used with a fuel with a maximum of 30% nitro content and with an oil percentage not lower than 10%. We therefore suggest not to use it with different percentages compared to the ones specified here above. Glowplug: The glowplug of engine is a Standard type glowplug. Standard glowplugs have a different shape than Turbo glowplugs and therefor are not interchange able with engines that are using Turbo glowplugs! Crankshaft: The crankshaft is made from high quality steel and is available in Turbo 5/16" x 24 version. Sleeve: The sleeve has 8 transfer ports and is made from high quality iron. Piston: The piston that is used in this engine is made from an special alloy which makes it very strong, yet ultra light. We also developed a ring on top of the piston skirt, this will decrease the wear on the piston due better lubrication. Carburetor: This engine has an carburetor with an rotary throttle valve and is available with in-flight mixture adjustment.