The BX310-V4 engine is the largest 4-stroke, 4-cylinder flat engine on the market. It is suitable for models with a take-off weight of up to 50kg, and can be used for simple scale models through tow airplanes to aerobatic models. It is based on the tried and tested modular design, and creates an absolute highlight in the area of model airplanes. The electric starter, which is available as an accessory, makes start-up a piece of cake, and is a must for every scale fan.