Instructions in PDF format

THIS AIRPLANE is the very finest ready-to-fly airplane that can be purchased anywhere.
It is designed to fly beautifully and gracefully. The power plant is the finest made anywhere in the world and is especially engineered for very easy starting. This plane is
designed to give you the utmost flying pleasure without the many weeks of tedious
work involved in building your own.
YOU HAVE BOUGHT A SPORT, NOT A TOY. A sport a father and son can enjoy together. Prepare
yourself accordingly and do not attempt to fly this plane until you fully understand the procedure.
The TD-1 also represents considerable investment which can be lost in an instance through carelessness
or impatience. While this plane is tough and rugged, any plane light enough to fly well will not withstand
hard crackups, whether it be a model or a real plane. Most crackups with the TD-1 can be repaired for
less than $2.00 but a total washout is always a possibility, especially if it is out of control and comes straight
in from overhead.
Protect Your Investment, Read the Following:
1. Do not attempt to fly just anyplace. Be sure the area is
large enough, smooth, and there are no overhead wires.
Flying over grass is recommended for the beginner,
taking off of a smooth surface at the edge.
2. Do not fly in a wind or even in a light breeze until and
unless you are experienced.
3. Nylon lines are furnished with this plane and are adequate
for sport flying, but do not attempt to stunt this plane or fly
in a stiff breeze unless you use steel flying lines.
or 4 times a day for 4 or 5 days should do the trick. Do not
overdo this at first or you might become ill.
7. Do not attempt to fly this plane without an instructor, who
should have his hands on yours to take over should you
lose control. You will find flying on public flying circles
with other flyers most interesting and helpful. If you are
not too proud to ask, any good flyer will help and instruct
you. You will find him flattered at being asked and more
than eager to help. Go to your local hobby shop for
information on flying fields, clubs, and instruction.
4. While learning to fly use the holes in the control handle that
give not more than 2 ½ “ line spread; 1 ½” is even better.
More spread makes control too sensitive for the beginner.
Each and every time you fly, be sure to test the controls the
last instant before releasing plane to see that they respond
8. Do not attempt to fly this plane until you fully understand
how to operate the Space Bug engine. (Read engine
manual carefully)
5. Do not run the engine for long intervals when not flying
unless you remove the engine cowling. Stationary running
generates enough heat inside the cowling to soften the
plastic and warp it out of shape.
This plane is easily assembled or dis-assembled. If
adjustment or service is required from the factory do not
under any circumstances return the entire plane. return
only the part in question. For engine repair or service
remove the engine and send it alone. Packaging the plane
for safe transportation is expensive and difficult. Should
the entire plane be sent to the factory without sufficient
cause it will not be returned until or unless packaging and
postage are paid for.
6. Prepare yourself in advance so you will not get dizzy
while at the control. Practice turning around to the left
about 1 turn every 3 seconds until you can make
25 or 30 turns without excessive dizziness. Trying this 3
Your knockdown TD-1 airplane is partially assembled
at the factory. A small screwdriver is the only tool necessary to complete the assembly. By carefully following the
simple instructions outlined below no difficulty will be
encountered in completing the assembly.
bulkhead behind the wing. Secure the body bottom
in place with the three self tapping screws J, provided.
The short screw goes in the rear hole and the long screw
goes in the front hole. Do not over-tighten these screws.
They form threads in the plastic as they are driven and
over-tightening may strip the plastic threads.
Never squeeze the wing or lift the plane by taking
hold of the wing’s flying surfaces. Always handle the
wing by the edges. The control mechanism is already inside the wing but is not in place because of packaging
limitations. Figure 1 shows the proper position of the
mechanism as seen when looking through the holes in
the bottom of the wing. Be sure the lead out wires C are
not twisted or crossed. Make certain control wire D is
positioned exactly as shown. The bell crank hole nearest
If the assembly instructions have been followed
carefully the elevator controls will work freely and
smoothly. Pulling the rear wing wire should move the
elevator upwards. Pulling the forward wing wire will move
the elevator down.
the pivot pin should be used unless you are already an
expert flyer and like a sensitive control. Place one end of
the pivot pin A in the hole in the wing at E. Raise the
pin to the standing position. This will bulge out the wing
until the other end of the pin snaps into the other hole B.
The wing will not spread enough to let the pin come out
after the fuselage is assembled on the wing.
Skylon control reel, load it as follows:
Support the upper half of the body upside down,
Figure 2. Set the wing in position, being careful that the
body guide ribs F on the wing are both inside the body.
Slip the bent end of the control wire D through the small
hole in the elevator horn G. Hold the landing gear assembly H in place and then set the bottom half of the
body in place. When positioning the bottom half be careful that the control wire D slips into the notch I in the
If your plane came equipped with the Thimble-Drome
1. First lift Spring A, figure 3, and slide it out. This lets
pins B come out and also the two spools. Unroll the nylon
line from spool D, Figure 3. There is enough line for two
35 foot control lines. Double the line back, and cut it in
two. Put the end of the line through the tiny hole in the
reel, knot it so it will not pull out and wind it on the
spool, one line on each spool. Roll it on so the line does
not become twisted. Be sure to wind the lines on in the
correct direction.
Replace the spool D with the notched side toward the
back of the case and with the end of the line going out
through hole C, Figure 3. Re-assemble the other reel, pin,
and spring. Lace the lines through the holes in the case
to the desired flying position and tie on the snaps as
illustrated in Figure 4.
2. Knob F, Figure 3, when turned to the raised position
dis-engages the reels from each other so the length of the
lines can be adjusted individually for the best control
position of the handle. Always turn the knob to the
raised position to unreel the lines. This will prevent the
lines from becoming tangled in the case. To unreel the
lines raise spring A, figure 3, and move it to one side.
Turn knob F to the raised position. Pull out the lines and
adjust them to the same length. Lock the reels with spring A
and snap knob F down. Before flying, again check the
handle position with tight lines after they are attached
to the plane. After flying, merely move spring A to one
side and wind the lines, walking up to the plane as
you do so.
Do not try to fly this plane until you have studied your
engine manual carefully, and you are familiar with the
1. Pull out about 30 feet of line and adjust the lines so
they are even. Hook them to the airplane control wires.
The lines must be connected to the plane so that raising
the arm, Figure 5, will raise the elevator, and lowering
the arm will lower the elevator.
2. Start the engine, let it run about 10 seconds then lean
it down to maximum r.p.m.
3. The plane is held on the ground and released on
signal from the pilot who is in the center of the circle with
the control handle in the level position so the elevator is
straight with the horizontal stabilizer. Never throw the
plane to launch it. Let it take off with a rolling start.
4. As soon as the plane has run a few feet after release,
the pilot will slowly raise his forearm and the plane will
take to the air. Many beginners on their first attempt to
fly, get “buck fever” and fail to use down control to level
off after the plane leaves the ground. This results in a
flight which goes right overhead then a power dive to
the ground. Result: a demolished plane. Do not fly until
you know you can overcome this tendency. Raise the arm
to make it climb. Lower the arm to make it descend. The
beginner should control from the elbow, Figure 5.
5. If you are an inexperienced pilot it is best to let the
engine run a while to use up most of the fuel before releasing the plane, so it will make a short flight, just in
case you get dizzy. Some pilot do get dizzy the first few
1. The engine in the TD-1 is a hopped-up version of the
Space Bug and requires a different needle valve position
for starting than what the engine manual calls for. Open
the needle valve 5 or 6 turns for starting.
2. The hole in the bottom of the engine cowl is the overflow hole. To keep the plane cleaner a short piece of the
rubber tubing, about 1 ½ inch long may be inserted over
the overflow tube and be left sticking out.
3. Engine Cowling: The engine cowling may be removed
by taking out the two screws on the underside of the
cowling. The plane may be flown without the cowling if
desired but additional weight should be attached to the
engine or front of the plane to obtain proper balance.
Otherwise control will be too sensitive and a crack-up
may result. Always remove cowling to run the engine any
length of time without flying, otherwise heat will melt it
out of shape.
4. Elevator: Always be sure the elevator works smoothly and
easily. Oil the center bearing if necessary. In case a hinge
pin breaks off, a hole can be bored where the pin was
and a short piece of wire or nail will answer nicely for a
new pin; or a hinge strap can be applied as on homemade airplanes.
5. To remove or replace wheels the hub caps will snap
off if you pull on them.
6. For maximum performance always use a 6”-3” pitch
propeller on this plane. For slow flying try different propellers. Thimble-Drome racing fuel will give you the very
finest performance with this engine.
7. A good coat of fuel proofer will make the decals last
much longer. Get this from your local hobby shop. Never
wash the plastic parts in gasoline or petroleum thinners.
Gasoline will discolor and fog the finish. Certain waxes
will also fog the finish and the cockpit canopy. Wash
plastic parts with soap and water or just wipe clean.
8. When returning parts for replacement or service never
under any circumstances return the entire plane to the
factory. Remove the part you wish to return.
9. Due to the fragile nature of all airplanes that are built
to fly well, the TD-1 cannot be guaranteed against crackups. Since something has to go when the plane cracks up
hard, the fuselage has purposely been designed so it will
break before the stresses build up to the point where the
wing would be damaged. Thus the wing will almost always be released before it suffers any damage. This was
done because the fuselage can be replaced at less cost
than the wing.
10. Stunt flying: If you wish to do stunt flying it is recommended that you use flying lines of wire or cable instead
of the nylon lines furnished with the plane. Nylon is only
for sport flying. Do not try to wind metal lines on your
Skylon reel. Do not try to stunt the plane after it has run
long enough to be low on fuel. Should the engine finish its
run in a steep climb or inverted, a crash landing will be
in order. It may e less expensive to learn stunt flying
over grass, taking off from a hard surface at the edge.
Crash landings on grass usually result in less damage to
the plane but in making regular landings on grass the
plane should be stalled out and set down as slowly as
possible because the grass will catch the wheels and, if
going too fast, the landing gear will be bent.
Repair parts will not be carried by all dealers. Always try
your dealer first. If he does not have parts you may send
your remittance direct to the factory and order the parts
by number as listed here.
IMPORTANT: See your local hobby shop for parts. If he
does not have them, you may order direct from the factory.
To assure accuracy in filling your order use the part
numbers as shown below. Send your remittance with your
order. No. C.O.D.s please. If you live in California add
3% sales tax.
SPECIFY COLOR (Red or Yellow)
Fuselage Top................................. $1.00 each
Fuselage Bottom ............................
.75 each
.35 each
.35 each
Cowl—right half ............................
.25 each
Cowl—left half...............................
.25 each
Decal Set ......................................
.15 each
Set of Screws .................................
.15 each
Landing Gear Strut and Axles...........
.75 each
Pair of Hub Caps (plastic) ................
.10 pair
Pair of Wheels (with hubs and bushings)
.60 pair
Tail Skid .......................................
.15 each
Cowl Insert ...................................
.20 each
Nose Weight..................................
.20 each
Wing—Complete............................ 4.00 each
Bellcrank and Shaft ........................
.50 each
Elevator Control Wire .....................
.25 each
Plane Kit (less engine) .................... 9.95 each
P. O. Box 476
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