Great Planes Yak-55M 50-55cc Sport / 3D ARF - GPMA1230 - Manual (Page 2)

2
INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Academy of Model Aeronautics . . . . . . . . . . . . . . . . . .2
International Miniature Aircraft Assoc. . . . . . . . . . . . . .2
SAFETY PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . .3
DECISIONS YOU MUST MAKE . . . . . . . . . . . . . . . . . . . . .3
Radio Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Radio Recommendations. . . . . . . . . . . . . . . . . . . . . . .3
Servo Recommendations. . . . . . . . . . . . . . . . . . . . . . .3
Battery Recommendations. . . . . . . . . . . . . . . . . . . . . .3
Engine Recommendations . . . . . . . . . . . . . . . . . . . . . .3
Muffl er Recommendations . . . . . . . . . . . . . . . . . . . . . .4
ADDITIONAL ITEMS REQUIRED . . . . . . . . . . . . . . . . . . .4
Required Hardware & Accessories . . . . . . . . . . . . . . .4
Optional Supplies & Tools . . . . . . . . . . . . . . . . . . . . . .4
IMPORTANT BUILDING NOTES . . . . . . . . . . . . . . . . . . . .4
KIT INSPECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
KIT CONTENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
ORDERING REPLACEMENT PARTS . . . . . . . . . . . . . . . .6
PREPARATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
ASSEMBLE THE WING . . . . . . . . . . . . . . . . . . . . . . . . . . .6
ASSEMBLE THE FUSELAGE . . . . . . . . . . . . . . . . . . . . . .9
Install the Main Landing Gear . . . . . . . . . . . . . . . . . . .9
Install the Stabs & Elevators . . . . . . . . . . . . . . . . . . . .9
Install the Rudder . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Install the Rudder Servos. . . . . . . . . . . . . . . . . . . . . .12
Complete the Rudder Control Installation . . . . . . . . .15
Install the Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Install the Fuel Tank . . . . . . . . . . . . . . . . . . . . . . . . . . 17
INSTALL THE MUFFLER . . . . . . . . . . . . . . . . . . . . . . . .18
Pitts Style Muffl er Installation . . . . . . . . . . . . . . . . . . .19
Canister Muffl er Installation . . . . . . . . . . . . . . . . . . . .19
Tuned Pipe Installation . . . . . . . . . . . . . . . . . . . . . . . . 21
MOUNT THE COWLING AND DUMMY ENGINE . . . . . . 21
INSTALL THE MAIN & TAIL WHEELS . . . . . . . . . . . . . .23
COMPLETE THE RADIO INSTALLATION . . . . . . . . . . .24
INSTALL THE CANOPY, PILOT
AND INSTRUMENT PANEL . . . . . . . . . . . . . . . . . . .25
APPLY THE DECALS . . . . . . . . . . . . . . . . . . . . . . . . . . .26
GET THE MODEL READY TO FLY . . . . . . . . . . . . . . . . . 27
Check the Control Directions . . . . . . . . . . . . . . . . . . . 27
Set the Control Throws. . . . . . . . . . . . . . . . . . . . . . . . 27
Proper Pushrod Hookup . . . . . . . . . . . . . . . . . . . . . . 27
Balance the Model (C.G.). . . . . . . . . . . . . . . . . . . . . .28
Balance the Model Laterally. . . . . . . . . . . . . . . . . . . .29
PREFLIGHT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
Identify Your Model . . . . . . . . . . . . . . . . . . . . . . . . . . .29
Charge the Batteries . . . . . . . . . . . . . . . . . . . . . . . . .29
Balance Propellers . . . . . . . . . . . . . . . . . . . . . . . . . . .29
Ground Check and Range Check . . . . . . . . . . . . . . .29
ENGINE SAFETY PRECAUTIONS . . . . . . . . . . . . . . . . .29
AMA SAFETY CODE EXCERPTS . . . . . . . . . . . . . . . . .30
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
Radio Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
CHECK LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
FLYING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Fuel Mixture Adjustments . . . . . . . . . . . . . . . . . . . . . 31
Takeoff . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Flight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
Landing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
TABLE OF CONTENTS
INTRODUCTION
For the latest technical updates or manual corrections to the
Yak-55M visit the Great Planes web site at www.greatplanes.
com. Open the “Airplanes” link, then select the Yak-55M ARF.
If there is new technical information or changes to this model a
“tech notice” box will appear in the upper left corner of the page.
Academy of Model Aeronautics
If you are not already a member of the AMA, please join! The
AMA is the governing body of model aviation and membership
provides liability insurance coverage, protects modelers’ rights
and interests and is required to fl y at most R/C sites.
Academy of Model Aeronautics
5151 East Memorial Drive
Muncie, IN 47302-9252
Ph. (800) 435-9262
Fax (765) 741-0057
Or via the Internet at: http://www.modelaircraft.org
IMPORTANT!!! Two of the most important things you can
do to preserve the radio controlled aircraft hobby are to avoid
fl ying near full-scale aircraft and avoid fl ying near or over
groups of people.
International Miniature Aircraft Assoc.
The Great Planes Yak-55M is an excellent sport-scale model
and is eligible to fl y in IMAA events. The IMAA (International
Miniature Aircraft Association) is an organization that promotes
non-competitive fl ying of giant-scale models. If you plan to
attend an IMAA event, obtain a copy of the
IMAA Safety Code
by contacting the IMAA at the address or telephone number
below, or by logging on to their web site at:
www.fl y-imaa.org/imaa/sanction.html.
IMAA
205 S. Hilldale Road
Salina, KS 67401
(913) 823-5569