SAITO FG-30B is the new model modified from FG-30 with new ignition system, crank case, and drive flange. The dimensional drawing is just the same as FG-30.

Displacement: 29.11 cc
Applications: 4-stroke glow 1.20-1.80 class
Bore: 36.0 mm
Stroke: 28.0 mm
Motor weight: 1055 g
Muffler weight: 85 g
Ignition system weight: 158 g
Engine mount weight: 190 g
Practical RPM: 1700-9000
(Max RPM on Ground (stationary): 9000-10.000)
Propeller: APC 16x8" - 17x8"
Static thrust: with APC 18x8" = 5 kg, APC 16x10" = 5.3 kg, APC 17x6 = 5.8 kg & APC 17x8" = 5.3 kg
Fuel: Regular gasoline & oil = 20:1-30:1 (volume ratio)
Fuel consumption: aprox 25 cc/min (@ full throttle 8500 rpm)
Battery for ignition system: 4.8-6V with more than 1Ah is recommended