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We have been working on Wankel rotary engines for a number of years. Initially the approach was to use a 4-stroke Kart engine that would be more powerful, more reliable and more fun than existing 2-stroke engines, which were about to be banned for emissions reasons.
In the meantime the engines are used in a variety of applications beyond kart racing, for example in manned and unmanned airoplanes, helicopters, boats, vehicles of all sorts as well as generators and even lawn mower racing. The particular advantages of rotary engines are a lack of vibration due to fully dynamically balanced rotating masses, a very compact design, high performance with a very flat torque curve, as well as low emissions.
The XF40 is an engine known for it’s continuous power supply and reliability. It is now used in various different applications, such as microlight aircraft and paramotor trikes. Besides the standard configuration, several variations are possible, such as different inlet manifolds. Also, the engine can be mounted in different orientations.
XH-40 Rotary Aero – Helicopter Engine
The XH40 is a powerful helicopter motor, additionally equipped with a starter, a generator and a water pump. It weighs only 19,5 kilos, including all attachments – which is extremely lightweight. The generator delivers 75W at 5000 rpm, which is enough power for all measuring instruments aboard. Thus, the battery is charged during flight . Additionally, the motor can be equipped with a compensating tank which allows for an overhead mounting.
The XH-40’s innovative built-in bearings withstand extreme variations in temperature easily. Also, the speed, rate of climb and noise emissions can be optionally configured individually tailored to your needs.
XP-40 Rotary Wankel Engine
is an engine which is constructed for use in paramotors. The engine has all specific advantages of the wankel principle and furthermore it is equipped with a reducing gear without clutch.
XR-30 Rotary Wankel Sports Engine
AIXRO’s XF40 is an engine type, which has approximately two-third of the power of the XR-50. If 22kW are enough for the purpose of the engine and an even more compact design is valued, this engine will fulfil your demands. The typical attributes for the engine type of low vibrations and a low power to weight ratio are taken for granted. Applications: Sports engine, Kart, Civilian use, Small batches
XR-50 Rotary Wankel Sports Engine
The XR50 rotary engine is still a revolution in karting. There has never been such a combination of performance, drivability and reliability in this sport before. Despite its power the XR50 is very controllable even in wet conditions, and it feels like a classic direct-drive kart.
Press reviews describe it as “Absolutely Awesome” (Karting Magazine),”Pocket Rocket” or “Karting Nirvana” (karting1.co.uk). Over the past years the XR50 has proved both its performance and reliability. But as good is never good enough, the engine is continually being improved. For example the new 2011 engine version is equipped with a PVL ignition system for better spark quality and operation convenience, to ensure that it will remain the gauge for all other 2- and 4-stroke engines.
The XR-50 rotary engine is the most versatile engine of our product line. The rotary engine is a 4-stroke aspirated engine, using a rotor turning around an excenter, instead of moving masses back and forth, which means that vibrations are minimal. In combination with with its enormous power you can use this engine for every purpose.