Description
NEW RCGF 20cc Twin Stinger 
20cc Twin Engines have  available now
Smooth operation — Smaller size
RCGF high end series 20cc Twin SE (Stinger Engines) , you can get more smooth fly experience. It’s small, powerful and easy starting.  It’s your very good choice for small size twin cylinder engine

RCGF 20cc Twin Stinger

Parameter:
Type : 2 cycle piston valve type gasoline engine for airplane 
Piston displacement Cylinder (cc) : 20.5cc (1.25 cu in)
Bore x Stroke (mm): 1.08 in(27.6mm) x 0.67 in (17mm)
Carburetor : Walbro
Ignition : DC-CDI (Computer Controlled auto advance,
electronic ignition system)
Power supply: 6-14V 
Maximum Output : 2.8HP /2.1KW
Requires: Gasoline, 2-cycle oil, ignition battery & propeller
speed rang : 1500-8600rpm
Gasoline-Version : Pre-mixed Fuel, 25-40 (Gasoline):1 ,
Recommend:30:1
(90% high otcane unleaded gasoline, Import gas into carbon
fiber installations valves)
Lubrication Oil : 2 cycle engine oil 
Propeller : 16X8 7800rpm (Standard Two leafs prop)
Suggested Propellers: 15x8, 16x8, 17x6 
Suggested Break-in Prop: 16X8
Sparking plug: 1/4-32 SIZE or equivalent
Cooling System : Air Cooled
RCGF engine package Includes: electronic CDI ignition,
muffler, spark plug, gaskets, bolts, throttle arm extension & manual.
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Distance from cap to cap is 173 mm  / 6.81 in

Weight :
Engine: 1.63 lb (740g)
2XMuffler: 2.64 oz (75 g)
Ignition Module: 4.94 oz (140 g)
Total: Weight: 2.02 lb (920 g)
Technical Data:
Ignition Battery: 6-8.4 NiCd or NiMH, 6.6V LiFe or 2S LiPo pack
Gasoline/Oil Mix: 30:1
Replacement Spark Plug: 1/4-32 SIZE or equivalent
idle Speed: 1800 rpm/min
Static Thrust:
14.1 lb (6.4kg) @ 328 ft (100 m) altitude
12.57 lb (5.7kg) @ 5,900 ft (1800 m) altitude