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Jumper 25
Thank you for choosing the Jumper 25 ARTF by SEAGULL MODELS. The Jumper 25 was designed
with the in ter me di ate/advanced sport fl yer in mind. It is a High-wing aeroplane which is easy to
fl y and quick to assemble. The airframe is con ven tion al ly built using balsa, plywood and veneer
to make it stronger than the average ARTF , yet the design allows the aeroplane to be kept light.
You will fi nd that most of the work has been done for you already. The pushrods are pre-made to
the correct lengths, the motor mount has been fi tted and the hinges are pre-installed and pinned
for security. Flying the Jumper 25 is simply a joy.
This instruction manual is designed to help you build a great fl ying aeroplane. Please read this
manual thoroughly before starting assembly of your Jumper 25 . Use the parts listing below to
identify all parts.
We encourage you to let us know your comments. Fill out the consumer feedback survey at the back of
this manual, send us a letter or contact us at jpmail@jpmodels.co.uk. or Modeng@iaccess.com.au(Australi
a) or Phat.cgm@hcm.vnn.vn(Vietnam).
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 &
RESPONSIBILITY.
If you are inexperienced with basic R/C flight we strongly recommend you contact your R/C supplier
and join your local R/C Model Flying Club. R/C Model Flying Clubs offer a variety of training procedures
designed to help the new pilot on his way to successful R/C flight. They will also be able to advise on any
insurance and safety regulations that may apply.
25-32 2-stroke engine
4-channel radio with four servos
Glow plug to suit engine
Propeller to suit engine
Protective foam rubber for radio
system
Silicone fuel line
Stick-on weights for balance
(If necessary)
Thick 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
Thread-lock
Paper towels
2
Instruction Man u al
FUSELAGE ASSEMBLY
(1) Fuselage
(1) Pre-installed throttle pushrod &
tube
(1) Pre-installed servo tray
(1) Pre-installed motor mount
(1) Pre-installed rudder pushrod
(1) Pre-installed elevator pushrod
WING ASSEMBLY
(1) Right wing half with pre-installed
aileron
(1) Left wing half with pre-installed
aileron
(1) Plywood wing dihedral brace
(1) Covering strip for centre section
joint
TAIL SECTION ASSEMBLY
(1) Vertical stabilizer with pre-in-
stalled rudder
(1) Horizontal stabilizer with pre-in-
stalled elevator halves
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