Stinger 30cc Twin Gas Engine
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RCGF Stinger 30cc Twin Gas Engine
The RCGF Stinger 30cc Twin is a compact, twin-cylinder, two-stroke gasoline engine for compatible RC airplanes. Its twin-cylinder design provides smooth operation for sport, scale, and aerobatic aircraft designed for a 30cc gasoline powerplant.
With 30cc total displacement and a rated maximum output of 3.7 horsepower at 7,500 RPM, the RCGF Stinger 30cc Twin combines a Walbro carburetor with electronic ignition and automatic timing advance. The engine package includes CDI ignition, two mufflers, spark plugs, gaskets, bolts, and a throttle arm extension.
🚀 Target Applications:
- RC sport, scale, and aerobatic aircraft designed for a 30cc gasoline engine
- Aircraft installations with sufficient clearance for a twin-cylinder engine and both mufflers
Key Features
- Twin-Cylinder Design: Compact gasoline powerplant with 30cc total displacement and smooth operation.
- Rated Output: 3.7 hp at 7,500 RPM.
- Walbro Carburetor: Adjustable fuel delivery for engine setup and tuning.
- Electronic Ignition: Stinger DC-CDI system with computer-controlled automatic timing advance.
- Air-Cooled Cylinders: Finned cylinders dissipate heat during operation.
- Included Accessories: CDI ignition, two mufflers, spark plugs, gaskets, bolts, and throttle arm extension.
📋 RCGF Stinger 30cc Twin Technical Specifications
| Engine Type | Twin-cylinder, two-stroke gasoline airplane engine |
|---|---|
| Total Displacement | 1.83 cu in (30cc) |
| Bore × Stroke | 1.26 × 0.77 in (32 × 19.6 mm) |
| Rated Maximum Output | 3.7 hp at 7,500 RPM |
| Operating Speed Range | 1,500–8,500 RPM |
| Listed Idle Speed | 1,600 RPM |
| Carburetor | Walbro |
| Ignition | Stinger DC-CDI electronic ignition with automatic timing advance |
| Ignition Supply Voltage | 7.4–14V |
| Ignition Power Restriction | Do not use a BEC, iBEC, or uBEC |
| Fuel | Premixed gasoline and suitable two-stroke engine oil |
| Gasoline-to-Oil Ratio | 40:1 when using high-quality fully synthetic two-stroke engine oil |
| Cooling | Air cooled |
| Recommended Propellers | 18 × 8, 18 × 10, 19 × 8, or 20 × 8 in |
| Suggested Break-In Propeller | 18 × 8 in, two-blade |
| Engine Weight | 2.03 lb (923 g) |
| Combined Muffler Weight | 2.72 oz (77 g), both mufflers |
| Ignition Module Weight | 5.1 oz (145 g) |
| Combined Listed Weight | 2.52 lb (1,145 g), engine, mufflers, and ignition |
| Gator RC SKU | STNG-30-TWIN |
📦 What's Included:
- RCGF Stinger 30cc Twin engine
- Electronic CDI ignition module
- Two mufflers
- Spark plugs
- Gaskets and bolts
- Throttle arm extension
- Instruction manual
Note: Gasoline, fully synthetic two-stroke engine oil, a compatible ignition battery, an appropriate propeller, and gasoline-compatible fuel system components are required separately. Additional mounting components may be needed for your aircraft installation.
🛠 Aircraft Compatibility & Setup
Use the RCGF Stinger 30cc Twin in aircraft whose manufacturer recommends a compatible 30cc gasoline engine. Confirm the engine's overall width, mounting dimensions, cowl clearance, muffler clearance, propeller clearance, and aircraft balance before installation.
Follow the supplied RCGF manual for installation, break-in, and engine adjustment. Match replacement spark plugs to the supplied plugs and confirm thread compatibility before ordering.
Replacement parts: Browse our RCGF Stinger 30cc Engine Parts and confirm that the selected part is compatible with your twin-cylinder engine before ordering.
The Gator RC Advantage: Shop RCGF Stinger engines, replacement parts, propellers, and installation accessories from Gator RC in Algonquin, Illinois. Contact us for help selecting components for your aircraft.
