OUR RECOMMENDATIONS
The following items are recommended for use with your Magnum XLS
series aircraft engine. These items are recommended for initial start-up and
running. Please read through the Operating Instructions for further details.
Fuel:
Power Master 15% 2-Stroke Premium Sport Fuel Blend for Break-In
and for Normal Use
We suggest using Power Master brand fuels. Power Master fuel comes
in many different nitromethane contents that can be used in your XLS
series engine. Power Master fuels are blended using only high-quality
nitromethane, methanol, castor oil and synthetic lubricants to provide
high power output, along with easy starting and unmatched lubricating
and heat dissipation qualities.
Fuel Tank:
Dubro 12oz. Fuel Tank (Product Number 412)
Dubro fuel tanks are a perfect match for your XLS series engine. This
size recommendation will give you about 10~15 minutes of run-time at full
throttle. Dubro fuel tanks are possibly the easiest fuel tanks to assemble
and maintain, and feature a chin at the base of the fuel tank that prevents
the fuel tubing from kinking when installed in your aircraft.
Glow Plug:
Thunderbolt # 3 Glow Plug (Product Number 115559)
The Thunderbolt # 3 glow plug is designed to be used in high-performance
engines using fuels containing 10%~30% nitro content and in any
environment. It is a ‘hot’ type of glow plug for easy starting, excellent
transition and incredible top end. The glow plug is also very durable and
able to withstand repeated use, day after day.
Propeller:
APC 10 x 6 Propeller (
Product Number LP10060)
We have found that XLS series engines run best using APC brand props.
They are designed to be very efficient and run quiet at high rpm’s, and
they are also durable. Use this size propeller to break in your engine, then
change to the propeller that best suits your application. Use the guide in
the Operating Instructions to help you find the right size propeller.
Glow Starter:
Magnum Glow Starter w/Meter (Product Number 237438)
The Magnum glow starter is an excellent choice for heating the glow plug.
It uses a Sub-C NiCD, includes a meter to determine the quality of your
glow plug, and it also includes a charger to recharge the battery. It’s a
very economical product to purchase and can be used with any engine
that uses a glow plug.
Engine mount:
Dave Brown Engine Mount (Product Number 4650)
The Dave Brown engine mount is a glass-filled reinforced nylon mount
that mounts to a plywood firewall in the model. It is lightweight, strong
and easy to install.
XLS .52A AIRCRAFT ENGINE QUICK-START GUIDE
The following information is provided to get your new Magnum XLS series engine running right away with minimal effort. We have listed our
recommendations for fuel, propeller, starting procedures and other recommended accessories. Also included is general information about the
accessories needed for the engine that we hope you will find helpful.
This Quick-Start Guide should not be used as a replacement for the Operating Instructions included; rather, it should be used along with the Operating
Instructions. We highly recommend reading through the Operating Instructions to familiarize yourself with each part of the engine, along with the
proper procedures for engine break-in and tuning.
Engine Preparation
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1) Mount the engine to the recommended engine mount. A wood beam
mount built into the airframe would also be sufficient.
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2) Install the muffler onto the engine using the hardware provided. The
muffler cone can be rotated to better suit the installation in your model. Be
sure to tighten the nut securely to prevent the muffler cone from loosening.
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3) Install a glow plug into the cylinder head, making sure to use the
copper gasket provided with the glow plug.
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3) Install the propeller to the engine using the propeller nut and washer
provided. Tighten the nut securely using an adjustable wrench.
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4) Connect the fuel lines from the fuel tank to the engine. The fuel
pick-up line should be connected to the fuel nipple on the carburetor and
the pressure line should be connected to the pressure nipple on the muffler.
Engine Starting
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1) Carefully turn the high speed needle valve in completely until it stops,
then turn the needle valve out 2-1/2 turns. This is the mixture setting for
initial starting.
IMPORTANT
Do not adjust the low speed needle valve at this time.
It’s factory-adjusted for the break-in process.
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2) If hand starting, prime the engine by opening the throttle barrel
completely, placing your finger over the carburetor opening and flipping
the propeller through compression 2~3 times. If you will be using an
electric starter,
do not
prime the engine. The starter will turn the engine
over fast enough to draw fuel on its own.
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3) Connect the glow starter to the glow plug. Open the throttle barrel
to about 1/4 throttle and start the engine. If you are starting the engine by
hand, you will need to vigorously flip the propeller several times before
the engine will start. Once the engine begins running, immediately turn
the high speed needle valve in about 1/4 turn to keep the engine running.
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4) Advance the throttle to full while turning the high speed needle
valve in to keep the engine running. The engine should be producing a
very noticeable white exhaust from the muffler and sound like it is running
rough. Allow the engine to run only for about 5 minutes, then shut the
engine off.
q
5) Now that you have started your engine, it must be properly broken
in. Proper break-in will seat all of the moving parts, particularly the piston
and cylinder. This procedure takes about 20~30 minutes of run-time and
is highly recommended. An engine that is properly broken in will produce
more power, be more user-friendly and last much longer than an engine
that does not receive a break-in period. For this reason we highly
recommend following the break-in procedure detailed in the Operating
Instructions before running the engine further.
QUICK-STARTING PROCEDURES
