Guarantee
Your engine is guaranteed free from manufacturing defects and workmanship for a period of 24 months
from date of supply*. This does not apply to damage caused by incorrect usage, handling, running in,
non-observance of these instructions, or modification. Furthermore the manufacturers cannot be liable
for any fault caused through incorrect assembly or disassembly-assembly of the engine, our factory
offers a full after sales service should you require work done on your engine.
Any engines being returned to RCV must have a returns number (issued by RCV)
*To validate this guarantee we must receive your completed warranty form and proof of purchase
within 1 month of purchase.
This guarantee does not affect your statutory rights.
REMEMBER: SAFE OPERATION OF YOUR MODEL AND ENGINE IS YOUR RESPONSIBILITY.
SPECIFICALLY, NO RESPONSIBILITY IS ASSUMED FOR ANY DAMAGE TO ANY MODEL,
ACCESSORY, RADIO CONTROL EQUIPMENT, PERSON OR PROPERTY RESULTING FROM THE
USE OR MISUSE OF AN RCV MODEL ENGINE.
For queries, warranty issues or more information on spares available, please contact:
(Always have the serial number of your engine available)
RCV Engines Limited
4 Haviland Road,
Ferndown Industrial Estate,
Wimborne,
Dorset, BH21 7RF,
UK
Tel:
+44 (0)1202 877044
Fax:
+44 (0)1202 871836
Web:
www.rcvengines.com
GUARANTEE & TECHNICAL SUPPORT
Issue 2 01/06/2004 © RCV Engines Ltd
Page 8
This engine is subject to Global Patents and Design copyrights
RCV 90-SP FOUR STROKE ENGINE OWNERS GUIDE
Congratulations on purchasing an RCV Engine. With simple care this design can offer you
years of trouble free service. Some aspects of the RCV engine are different to conventional
engines therefore even if you are an experienced modeller please read all these instructions
carefully before using your engine. Please pay particular attention to the RCV SP do’s and
don’ts listed below before attempting to run your engine. If in doubt contact RCV Engines for
advice.
WARNING! READ ALL INSTRUCTIONS BEFORE OPERATING YOUR RCV ENGINE!
SECTION 1 RCV 90-SP DO’s and DON’Ts
ENSURE THE ENGINE IS FIRMLY MOUNTED
The larger than normal tortional forces from the geared prop mean the engine must be very securely
mounted to the fuselage or test stand. Fuselage construction around the engine mount must be very
rigid (bear this in mind when choosing a model) and test stands must be substantial.
Always fit a rein-
forcing metal plate (
included with engine
) on the opposite side of the firewall to prevent the nuts pulling
through.
ALWAYS USE BEHIND THE PROP STARTING
We advise and strongly recommend that the unique benefit of behind the prop starting is taken
advantage of at all times. When using this starting method a good high-powered electric starter will be
necessary. Do NOT use a drill as this can cause damage to the engine. Please ensure the connections
to the starter are reversed (
SEE SECTION 4
).
ALWAYS USE A REMOTE GLOW CONNECTOR
Do not use a conventional clip on glow connector. The glow plug is far too near the prop for its safe use.
ONLY USE RECOMMENDED FUELS
We recommend you use a methanol based fuel containing 10% Nitro. Oil content should be 15%
including between 3 & 6% castor. Avoid the use of fuels containing more than 6% castor as these may
cause rough running. For more information on fuels please see
SECTION 3
ONLY USE RECOMMENDED PLUGS
We strongly recommend the use of an OS type F plug. Fitting a non-recommended plug may produce a
significant drop in performance when the glow battery is disconnected.
USE ONLY COARSE PITCHED PROPS
Propeller pitches would normally be between 10 and 14 inches. Remember the prop is rotating at half
the speed you are used to therefore pitches should be double that of a conventional engine. Some
example propeller sizes can be seen in
SECTION 5
SET UP THE CARBURETTOR CORRECTLY
As supplied the idle needle is set at rich to protect the valve. To achieve smooth running this must be
adjusted as per instructions
(SEE SECTION 5)
ENSURE THE EXHAUST IS PROPERLY TIGHTENED
Prior to use, tighten the exhaust pipe and muffler using the recommended procedure in
SECTION 2
ENSURE ADEQUATE COOLING
The streamline nature of an RCV engine makes for a neatly cowled installation, however provision for
cooling ducts must be provided.
(SEE SECTION 6
)
Issue 2 01/06/2004 © RCV Engines Ltd
Page 1
This engine is subject to Global Patents and Design Copyrights
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Engines Ltd
