2
ank you for choosing the EXTRA 330LX ARF by SG MODELS . e EXTRA 330LX
was designed with the intermediate/advanced sport yer in mind. It is a semi scale airplane
which is easy to y and quick to assemble. e airframe is conventionally built using balsa,
plywood to make it stronger than the average ARF, yet the design allows the aeroplane to be
kept light. You will nd that most of the work has been done for you already. e motor mount
has been tted and the hinges are pre-installed. Flying the EXTRA 330LX is simply a joy.
is instruction manual is designed to help you build a great ying aeroplane. Please read
this manual throughly before starting assembly of your EXTRA 330LX . Use the parts listing
below to indentify all parts.
ADDITIONAL ITEMS REQUIRED. TOOLS & SUPPLIES NEEDED.
INTRODUCTION.
WARNING.
Please be aware that this aeroplane is not a toy and if assembled or used incorrectly it is
capable of causing injury to people or property. WHEN YOU FLY THIS AEROPLANE YOU
ASSUME ALL RISK & REPONSIBILITY.
If you are inexperienced with basic R/C ight we strongly recommend you contact your R/C
supplier and join your local R/C model Flying Club. R/C Model Flying Clubs oer a variety
of training procedures designed to help the new pilot on his way to successful R/C ight.
ey will also be able to advise on any insurance and safety regulations that may apply.
in cyanoacrylate glue.
Medium cyanoacrylate glue.
30 minute epoxy.
5 minute epoxy.
Hand or electric drill.
Assorted drill bits.
Modelling knife.
Straight edge ruler.
2mm ball driver.
Phillips head screwdriver.
220 grit sandpaper.
90° square or builder’s triangle.
Wire cutters.
Masking tape & T-pins.
read-lock.
Paper towels.
� 50cc-55cc gasoline engine.
� Computer radio with 6 servos.
� Glow plug to suit engine.
� Propeller to suit engine.
� Protective foam rubber for radio
system.