Power in model aviation.
24 cc Side or Rear Exhaust Petrol

This lightweight 24 cc (1.3 cu inch capacity) powerhouse weighing just 28 oz is available in side or rear exhaust configuration for a compact and convenient installation. Mounting is by beam or radial mount. It is ideal for aircraft from 8- 14 lbs weight.. Its very slim profile makes it ideal for powering aircraft designed for 15-20 cc 2 stroke glow engines in F3A aircraft (with tuned pipe) and 20-25 cc 4 stroke glow power in inline engined scale prototypes. With side exhaust and the accessory silencer easy mounting forward of the firewall for radial or horizontally opposed prototypes, is possible. The engine is ideal for Sport model applications, offering convenience, cleanliness and petrol reliability !! Each comes complete with a computerised ignition system with automatic advance/retard to enable easy hand starting, optimum power and low reliable idle It boasts one of the highest power/weight ratios for a petrol engine of this capacity.

Flying weight with muffler, ignition, 1100mA battery and switch is 2.5 lbs. Remember; this engine sips fuel so you only need a tank 1/2 the size (less weight) of what would be needed for an equivalent glow engine and the same amount of flight time.

15 x 12 APC = 8800 RPM / 11.8 lbs S.T.

16 x 8 APC = 8900 RPM / 15.6 lbs S.T.

16 x 10 APC = 8500 RPM / 14.2 lbs S.T.

Accessories available:
Krumscheid Sidewinder in cowl muffler
Mackay inverted Muffler - See dimensions
Krumscheid Tuned Pipe System
CNC Radial Mount


The 24cc engine and inverted muffler installed in Harry Harland's 1/4 scale Super Cub

2 metre span Diablo fitted with
24 and tuned pipe