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Saito FG-21 4- Cycle Gasoline

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Saito FG21 is a 4-stroke gasoline engine exclusively for model airplanes which is designed with emphasis on high performance, durability and weight saving. This engine is modified based on existing FG- 20 gasoline engine, equipped with renewed ignition system. For the airplane on which FA- 125 is installed, FG-21 can be replaced easily with minimal change such as fuel tank and lines to gasoline-resistant ones. 

Features

  • The first 4-stroke 21cc gasoline engines gives modelers a better option for .60-.90 size projects
  • Fueled by gasoline to save up to 90% in operating costs over similar nitro power systems
  • Exclusive pump-style carburetor allows for easy starting and operation with less weight than comparable styles
  • High quality, professional finish adds scale realism
FG 21
fg21 
Specifications:
Bore Ø32.0mmStroke26.0mmStroke volume20.9cc
Weight (approx) Main Body: 690g/ Muffler: 83g/ Ignition system: 113g/ Engine mount set: 156g
Practical speed Approx. 2,000- 9,500rpmApplications 4- stroke 100⁓ 110 class
Propeller 15"x 8", 16"x 8"Static thrust Approx. 3- 4kgf
Fuel Regular gasoline: Oil= Oil (2- stroke oil) 20:1 (Volume ratio)
Fuel consumption Approx. 15cc/min (At full throttle 8,800rpm)
*Fuel flow varies depends upon prop load. More fuel flow with larger load and less fuel flow with smaller load.
Battery for ignition system Voltage: 6-8V higher than 1,000mA is recommend
AccessoriesLimit gauge (0.1t) for tappet adjustment
Spanner for tappet adjusting lock nut
Hexagonal wrench set
Ignition system (w/ sensor attached)
Spark plug [SAITO SP- 1] (Attached)
Plug wrench
Muffler set
Engine mount set

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1 pc
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1 pc
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1 pc
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1 set

Displacement: 20.9cc
Power Output: 2.1HP
RPM: 1,800-9,500rpm
Weight: 690g
Price: SGD$565.42