RCGF 20cc SBM - User Manual

RCGF 20cc SBM Operator’s Manual
(note: the spare parts list and dimension of engine are in the end of manual)
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RCGF 20cc SBM
Parameter:
Type : 2 cycle piston valve type gasoline engine for airplane
Piston displacement Cylinder (cc) : 20cc (1.22 cu in)
Bore x Stroke (mm): 1.3 in(32mm) x 9.5 in (24mm)
Carburetor : RCGF
Ignition : DC-CDI (Computer Controlled auto advance, electronic ignition system)
Power supply: 4.8-8.4V
Maximum Output :2.8HP /2.1KW
Requires: Gasoline, 2-cycle oil, ignition battery & propeller
speed rang : 1500-10500rpm
Gasoline-Version : Pre-mixed Fuel, 25-40 (Gasoline):1 , Recommend:30:1

Summary

RCGF 20 cc SBM Engine Overview and Specifications

Engine Parameters

Engine type, displacement, bore, stroke, carburetor, ignition, power output, requirements, and speed range.

Weight and Technical Data

Covers engine, muffler, and ignition module weights, plus battery, mix ratio, idle speed, and static thrust specifications.

Spare Parts and Safety

Spare Parts List

Lists all included spare parts with descriptions and accessory numbers for the RCGF 20cc SBM engine.

Safety Tips and Warnings

Crucial safety precautions for operating and handling the RCGF 20cc SBM engine to prevent accidents.

Installation and Setup Guide

GAS;OIL Mixing Chart

Provides the correct ratio for mixing gasoline and 2-cycle oil for the engine.

Installation Instructions

Step-by-step guide for installing the RCGF 20cc SBM engine onto an aircraft, covering mounting and connections.

Propeller and Engine Adjustments

Install the Propeller

Detailed steps for correctly installing the propeller onto the engine crankshaft, including spinner and washer.

Engine Adjustment

Guidance on adjusting the engine's carburetor for optimal performance, considering elevation changes.

Engine Functions and Adjustments

Explains engine controls and procedures for adjusting idle speed and fuel/air mixture via needles.

Ignition, Troubleshooting, and Starting

Ignition Timing Adjustment

Procedure for adjusting the engine's ignition timing to optimize performance and engine health.

Carburetor Adjustment Troubleshooting

Common carburetor issues and their solutions for the RCGF 20cc SBM engine to ensure proper running.

Starting Procedures

Methods and steps for starting the RCGF 20cc SBM engine, including manual and electric starter methods.

Engine Troubleshooting

Diagnosing and fixing common problems encountered when the engine fails to start.

Maintenance and Support

Optional Digital Tachometer

Information on using an optional digital tachometer to monitor engine RPM and performance.

Engine Maintenance

Routine maintenance procedures, focusing on cleaning the fuel filter in the carburetor for optimal operation.

Warranty Information

Details about the RCGF engine's limited warranty period and requirements for proof of purchase.

RCGF Engine Spare Part

A diagram and list of spare parts available for the RCGF 20cc SBM engine, with accessory numbers.

RCGF 20cc SBM Specifications

General

Displacement	20cc
Bore	32mm
Power Supply	4.8-8.4V
Thrust	6.5kg
Propeller	16x8
Muffler Type	Side exhaust
Fuel Type	Gasoline/Oil Mixture
Ignition Type	Electronic Ignition