OS Engine MAX 25FX II (21L) W/892 Silencer Glow Plugs 5m into a seaplane with

5m into a seaplane with the optional float kit (EFLA550

The ideal choice for new pilots training to fly with a flight instructor at a model aerodrome

When used with a Spektrum™ Smart LiPo battery

Seagull DHC-1 Chipmunk 1/5 Scale 20cc Green  (SEA-304Y)

the only parts that have changed are the Cylinder

OS Engine MAX 25FX II (21L) W/892 Silencer Glow Plugs 5m into a seaplane withOS Engine MAX 25FX II (21L) W 892 Silencer Recommended props.: Sport: 9x5, 9x6, 9,5x5, 10x5 Aerobatics: 9x6, 9,5x5 Displacement [ccm] 4. 07 Cylinder count 1 Bore [mm] 18 Stroke length [mm] 16 Operating RPM [ot. min] 2500 19000 Motor power (pi 18000 ot. min) [W] 620 Power (pi 18000 ot. min) [HP] 0. 84 Weight (motor) [g] 260 Weight (tlumi) [g] 52 Recommended tank volume [ml] 200 220 Recommended spark plug O. S. MAX No. No. 8 Propeller nut thread UNF 1 4