Great Planes PT-40 Kit (original) User Manual
Page 2

TABLE OF CONTENTS
GENERAL COMMENTS . . . . . . . . . . . . . . . . . . . . 2
BUILDING PRECAUTIONS . . . . . . . . . . . . . . . . . 3
GLUES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
BUILDING HINTS . . . . . . . . . . . . . . . . . . . . . . . . . 4
ITEMS NEEDED . . . . . . . . . . . . . . . . . . . . . . . . . . 4
TOOLS OR SUPPLIES NEEDED . . . . . . . . . . . . . 4
SPECIAL NOTE ON ENGINES . . . . . . . . . . . . . . 4
PARTS IDENTIFICATION DRAWINGS 5
GET READY TO BUILD . . . . . . . . . . . . . . . . . . . . 6
BUILD THE FUSELAGE SIDES . . . . . . . . . . . . . 7
ASSEMBLE THE FUSELAGE . . . . . . . . . . . . . . . 8
INSTALL THE WINDSHIELD AND HATCH .. 10
MOUNT THE ENGINE BEAMS AND
BREAKAWAY PLATES . . . . . . . . . . . . . . . . . . . . 11
INSTALL THE LANDING GEAR . . . . . . . . . . . . 12
PREPARE THE NOSE GEAR . . . . . . . . . . . . . . . 12
CUT THE NOSE GEAR PUSHROD OPENING . 12
CUT THE PUSHROD EXIT SLOTS FOR THE
RUDDER AND ELEVATOR . . . . . . . . . . . . . . . . 13
BUILD AND INSTALL THE
"TAIL FEATHERS" . . . . . . . . . . . . . . . . . . . . . . . 13
MAKE THE HINGES . . . . . . . . . . . . . . . . . . . . . . 14
MARK THE HINGE LOCATIONS . . . . . . . . . . . 14
CUT THE HINGE SLOTS . . . . . . . . . . . . . . . . . . 14
MOUNT THE STAB ON THE FUSE . . . . . . . . . 14
MOUNT THE FIN TO THE STAB . . . . . . . . . . . 15
BUILD THE WING PANELS . . . . . . . . . . . . . . . 16
JOIN THE WING PANELS . . . . . . . . . . . . . . . . . 18
INSTALL THE CENTER RIBS AND
BOTTOM SHEETING . . . . . . . . . . . . . . . . . . . . . 19
INSTALL TRAILING EDGE, AILERONS AND
TORQUE RODS (WING B ONLY) . . . . . . . . . . . 20
INSTALL THE WING TIPS . . . . . . . . . . . . . . . . . 21
SAND THE WING SMOOTH . . . . . . . . . . . . . . . 22
INSTALL THE WING PLATES . . . . . . . . . . . . . . 22
TRIAL FIT THE WING IN THE SADDLE . . . . 22
MOUNT THE ENGINE . . . . . . . . . . . . . . . . . . . . 23
INSTALL THE SERVOS . . . . . . . . . . . . . . . . . . . 24
INSTALL NYLON CONTROL HORNS . . . . . . . 25
PUSHRODS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
BALANCE THE AIRPLANE LATERALLY . . . . 29
ADD THE FUSELAGE TOP . . . . . . . . . . . . . . . . 29
SAND THE FUSELAGE . . . . . . . . . . . . . . . . . . . 30
FUELPROOF THE ENGINE AND FUEL
TANK COMPARTMENTS . . . . . . . . . . . . .
30
PREPARE THE MODEL FOR COVERING . . . . 30
COVER THE STABILIZER . . . . . . . . . . . . . . . . . 30
COVER THE FIN, RUDDER AND ELEVATOR . 30
COVER THE FUSELAGE . . . . . . . . . . . . . . . . . . 30
COVER THE WING . . . . . . . . . . . . . . . . . . . . . . . 31
ADD "WASHOUT" AT THE WING TIPS . . . . . . 31
FINAL ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . 32
BALANCE YOUR MODEL . . . . . . . . . . . . . . . . . 34
FLYING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
AMA SAFETY CODE . . . . . . . . . . . . . . . . . . . . . 36
CHANGING FROM 3 TO 4
CHANNEL VERSION . . . . . . . . . . . . . . . . . . . . 37
FLIGHT PROBLEMS CHART . . . . . . . . . . . . . . . 38
GLOSSARY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
INSTALL TAPERED TRAILING EDGE
(WING A ONLY) . . . . . . . . . . . . . . . . . . . . . . . . . . 19
GENERAL COMMENTS
Congratulations on your purchase of Great
Planes' PT40, the Perfect Trainer! You now own the
easiest building, easiest flying trainer on the market.
By following these instructions and by referring to
the plans, you will have a model you can be proud of
and one that will fly, almost by itself!
Our line of R/C kits is the fastest growing and
we believe the finest in the nation. As a result of
intensive testing, combined with our years of experi-
ence, we know that a well built Great Planes' kit
will fly right. But that means: