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5. You must test the operation of the model
before the first and each successive flight to
insure that all equipment is operating and you
must make certain that the model has remained
structurally sound. Be sure to check external
nylon clevises often and replace them if they show
signs of wear.
6.You must fly the model only with the
competent help of a well-experienced R/C pilot if
you are not already an experienced R/C pilot at
this time.
Remember: Take your time, follow directions to
end up with a well-built model that is straight
and true.
NOTE: We, as the kit manufacturer, can provide
you with a top quality kit and great instructions,
but ultimately the quality and performance of
your finished model depends on how you build
it. Therefore, we cannot in any way guarantee
the performance of your completed model, and
no representations are expressed or implied as
to the performance or safety of your completed
model aircraft.
DECISIONS YOU MUST MAKE EARLY
IN THE BUILDING PROCESS
ENGINE SELECTION
The recommended engine range is as follows:
.61 to .90 cu. in. 2-stroke
.91 to .120 cu. in. 4-stroke
The P-47 Thunderbolt will fly well with any of the
recommended engines. The 4-stroke engines and
most .90 2-stroke engines will turn a larger prop at
lower rpm's. This is often desirable for scale
realism. If you use a .61 2-stroke, a Schnuerle-
ported engine is preferred. The prototype P-47,
weighing 10 pounds with all of the options including
flaps, retractable landing gear and a releasable 108
gallon (scale of course) drop tank, was first flown
with the Super Tigre S-75K. This proved to be the
ideal size for a two-stroke power plant – large
enough to provide plenty of reserve power for
aerobatics and sport flying, yet small enough to
represent scale speeds when throttled back a little.
A .61-size Schnurle-ported engine will also provide
plenty of power for your P-47 – especially if mostly
scale flying is in your repertoire. 1.20 4-stroke
engines should be reserved for proficient flyers
who can handle a model with a higher wing
loading and are used to the high torque
tendencies of such engines (lots of right rudder
on takeoff).
The included adjustable engine mount will
hold a range of engines from a .61 2-stroke
through 1.20 4-stroke.
A special Top Flite header and muffler is
available that will fit inside your cowling. They
are designed for 2-stroke engines as used on
our prototype:
Header for O.S .61SF (TOPQ7920)
Header for Super Tigre S61K-S75K (TOPQ7925)
Header for Super Tigre G75 (TOPQ7926)
Muffler for above (TOPQ7915)
RAZORBACK OR BUBBLE
CANOPY VERSION
Your Top Flite Gold Edition P-47D
Thunderbolt kit includes the parts and
instructions to build either the P-47D-23 known
as the "Razorback," or the P-47D-25 "Bubble
Canopy" version. However, only the Razorback
canopy is included in the kit so if you decide to
build the Bubble Canopy version, all you need to
do is purchase the canopy set, which is offered
separately (TOPA1616). You do not need to
make this decision until about halfway through
fuselage construction.
RETRACTS OR FIXED GEAR
The choice of retractable or fixed landing
gear is yours. Retracts, once again, add to the
"presence" of your model in the air and really get
the attention of fellow modelers (and spectators).
Instructions are included for either option and
are quite detailed for retract installation so no
difficulty should be expected. Should you decide
- 4 -
to install retracts, there are the two types – wire-
and-coil or rigid struts with an oleo. Standard
wire struts absorb more shock on rough landings
and are less stressful to the airframe while the
oleo struts offer greater scale appearance. The
standard setup uses the Robart 606 HD
pneumatic system with 3/16" wire. Robart 650
oleo struts may be used and can be purchased
separately. Century Jet Models also offers the
TF P-47 pneumatic retract package with oleo
struts. See the "Other Items Required" section
and the "Retract Installation" section of the
manual for more information.
WHEEL SELECTION
Scale tire size for the P-47 is over 4" but we
recommend 3-1/2" wheels. 3-3/4" Wheels will
retract into the wing if extra care is taken
during construction.
FLAPS
This model is designed to incorporate scale
flaps; however, be assured that flaps are
optional and not necessary for an excellent
flying experience. The only difference is, without
flaps, the takeoff roll is a little longer and the
landing speed is slightly faster.
The flaps are not difficult to assemble, but
they do require good craftsmanship if they are to
fit well. They add nicely to the model's flight
characteristics and scale appearance. Only
slight trim correction is needed when flaps are
deployed with the recommended throws. Flaps
add drag and lift to the model on landing
approaches, which gives the plane a very
steady, locked-in feel. The flaps require one
extra channel, a Y-harness and two standard
servos. They are a highly recommended fun
option for those who wish to install them. More
information on the use of the flaps may be found
in the "Flying" section.
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