Saito FG-84R3 Four-Stroke Petrol Engine

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The FG-84R3 is a Petrol/Gas version of the FA-450R3 Glow engine with increased bore. Saito have drawn upon their vast experience with past Radial and Petrol/Gas engine designs when developing this whooping 84.28cc powerhouse. By combining the reliability of Petrol/Gas with the sweet sound of Saito, advanced technology and foresight are once again helping Saito lead the way into the future. And, like all Saito engines, these powerhouses are engineered with that same Saito quality and reliability our customers have come to know and trust.


Bore: ø36.0mm x 3
Stroke: 27.6mm x 3
Stroke Volume: 84.28cc
Weight (ApproX): Body - 3,057g | Muffler - 157g | Ignition System - 250g | Stand-Off Mount - 64g
Practical Speed: Approx 1,300 ~ 7,00rpm (Recommended highest speed on ground: 5,500rpm ~ 6,500rpm
Recommended Propo: D24" x P10" (Standard)
Fuel: Petrol/Gasoline = 20:1 (Volume Ratio)
Fuel Flow: Synthetic oil (Above 20%) with 15~20% nitromethane content
Fuel: Approx. 40cc/min (at full throttle, approx 6,200 rpm) Fuel flow varies depends upon propeller load. More fuel flow with larger load and less fuel flow with smaller (In actual flight, fuel flow somewhat increases).
Static Thrust: 7 ~ 9 kgf (Dependent on the Prop size)
Battery for Ignition: Voltage - 6-9V | Capacity - recommended over 1,000mA
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Order Code: SAT84R3FG
Manufactured By Saito