Futaba.
 Futaba.
DIGITAL PROPORTIONAL AT TAC
RADIO CONTROL
STA DAT И
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F'UTABA CORPORATION CF AMERICA
F'UTABA CORPORATION
Thank vou for buying a Futaba digital proportional radio control
set. Please read this manual carefully before using your new set.
WORLD SALES & SERVICE FACILITIES: —
FUTABA
Australia LE NS Nh TE VR UAE TO [To Toto Ta NINN SER INSEL ISS IS
ner o "
+ к E
Argentine 4 ANI FE SUE ET New ZJeagiard St (AE
IR BEE EE, FUTABA CORPORATION OF AMERICA
US Ria | ' 555 West Victona Street. Compton. Calif. 30220 USA
ST BT A AS PA Phone 213-537 9610 Telex 23 0691227 Facsimile: 213-637-8529
ra
Greece € ПО EE OA AENA
MN E dea LITE ВД F'UTABA CORPORATION
Italy a С ML SARNA MEN Esad AA TL SES DAM Tokyo Othce Daido Bldg, 3-1-16 Sotokanda. Chiyoda-ku, Tokyo. Japan.
E ma A Phone (03) 255 5881 Telex: J26532
Printed in Japan/850150€€6
FEATURES OF ATTACK SET CONTENTS AND RATINGS
(Specifications are subject to change without prior notice.)
TRANSMITTER FP-T2NL |
e Operating direction of new swivel stick lever can be selected within.a ATTACK
range of 20°
e Superior ease of use achieved by using a racing specification short
aluminum stick lever.
e New neutral lever allows setting of the lefthand side throttle stick Servo -528 x 2
neutral position in two steps. Perfectly matched to the throttle posi- Switch
tion of motor and gasoline engine driven cars. The stick can be chang-
ed to a ratchet type by installing the throttle ratchet plate sold sep-
Transmitter L
holder, etc.
arately. -
e Level meter tells the state of the battery at a glance. CRANSMITTER FP TNL —
e Crystal can be changed from the outside. On 27MHz only. Transmitin frequency : 27MHz band
e Can be modified for NiCd battery use. (Using the NT-8J sold separate- Modulation system : AM (amplitude modulation)
ly.) . : .
e Hook. Neck strap sold separately can be used. Power requirement : 12.0V, AA penlight battery x 8
Current drain : 170mA
RECEIVER FP-R2GS
e Miniature type, light weight, rugged construction.
RECEIVER FP-R2GS
e Crystal can be changed from outside the receiver, the same as the que cy : 27MHz band
transmitter. Except 72/75 MHz. Selectivity | Ie) 3dB
® 3P mini connectors are compatible with existing standard systems. Power requirement : 4,8V or 6.0V, AA penlight battery x 4,
shared with servo
SERVO FP-S28 (High neutral, small, rugged servo) Receiving range : With FP-T2NL
o . 500m on the ground, 1000m in the air.
e New indirect drive potentiometer substantially improves vibration
Current drain : 10mA at 6V
and shock resistance and neutral accuracy. Dimensions : 39 x 53.5 x 19mm (1.54 x 2.11 x 0.75in)
® Unique Futaba power-saving custom IC provides high starting torque, Weight : 38g (1.34 oz)
narrow dead band, and excellent trackability. Connector type : Mini 3 pin
e Fiberglass PBT (polybutylene terephthalate) servo case is mechanical-
ly strong and invulnerable to glow fuel.
e Strong polyacety! resin precision servo gear features smooth opera- SERVO FP-S28 (High neutral, small, rugged servo) __
tion, accurate neutral, and minimal backlash. Control system : + pulse width control (1320usec neutral)
® Fiberglass epoxy PC board with thru-the-hole plating improves the Operating angle : One-side 45° or greater (including trim)
servo amp vibration and shock resistance. Power requirement : 4.8V or 6.0V, AA penlight battery x 4,
e 3P mini connectors are compatible with existing servos. shared with receiver.
e Special pad grommets simplify mounting of the servo, and are ex- Current drain : 6.0V, 8mA (at idle)
tremely vibration-resistant. Output torque : 48.7 oz.in (3.5 kg-cm)
e Six different special adjustable horns are available. Operating speed : 0.24 sec/60°
e High 48.7 oz-in (3.5 kg-cm) (max) output torque is perfect for almost Dimensions : 1.59 x 0.91 x 1.7 in (40.5 x 20 x 40.5mm)
all modeis. Connector type : Mini 3 pin
HANDLING THE FP-R2GS RECEIVER
AND FP-S28 SERVO
Crystal
Receiver FP-R2GS <> Esta
N
Antenna wire
Battery holder
=
) =
E i
Fasten with
rubber bands | Rubber bushing
Ду ——— бот
Fig. 7
Fig. 6
Wood screw
e Load the four penlight batteries into the battery holder in the cor-
rect polarity, and wrap the rubber bands around the holder as shown
in Fig. 6. -
e Connect the servo and switch securely .as shown in the figure. Then
extend the transmitter and receiver antennas to their full length.
e Set the transmitter power switch to ON, then set the receiver switch
to ON.
The servos stop near the neutral position. Operate the transmitter
sticks and check if the servos follow the movement of the sticks.
e Set the pushrod at each servo horn, and check that the direction of
operation of each function matches to that of the transmitter con-
trols.
® Operate each servo horn over its operating range, being sure that the
pushrods do not bind or bend.
Applying unreasonable force to the servo horn will adversely affect
the servo and quickly drain the batteries. Be sure that the operating
travel of the function is larger than the full stroke (including the
trim component) of the servo. Mount the servos so that the servo
horns move smoothly and do not interfere with each other even
when the trim lever and stick lever are operated in the same direc-
tion at the same time.
e Pay careful attention to noise.
Intermittent contact of metal parts due to engine vibration, etc. will
generate noise and cause the receiver servos to operate erroneously.
We recommend the use of noiseless parts.
e When installing the switch harness, drill and cut a rectangular hole
somewhat larger than the full stroke of the switch knob and mount
the switch so that it can be turned on and off smoothly and posi-
tively. This also applies when the switch is mounted inside the fuse-
lage and is turned on and off from the outside with a piece of wire,
etc. Mount the switch where it will not come into contact with en-
gine oil, dust, etc.
CONVERSION TO NICAD SYSTEM
To use a nicad battery with this set, modify the set with the optional
FBPK-10 (Attack nicad battery conversion set). A Phillips screwdriver,
needle nosed pliers, and tweezers are needed to make this conversion.
(1) Remove the battery cover
and disconnect the nine con- 3PC red female
tacts with needle nosed pliers connector through
as shown in Fig.15 (At this the hole, fit the
time, cut the red and black NT-8J, and install
leads.) Then install the trans- the cover. …
mitter NT-8J nicad battery
and install the battery cover.
Pass the NT-8J
e Never cut the receiver antenna even though it may seem to be too
long.
e When using the receiver and servos in a boat or car, waterproof and
dustproof the radio compartment. After use, open the compartment
to prevent condensation.
e After mounting and checking eaeh part, range check the system by
extending the transmitter to its shortest length and the receiver an-
tenna to its full length and try operating the model from a distance
of net-100 feet (20m to 30m). The rudders (servos) should faithful-
ly follow the operations performed at the transmitter.
e The crystal can be changed from the outside of the receiver case.
Always use Futaba pair crystals.
e Install the servos securely. Use servo trays for easy and convenient
installation of the servos. When installing the servo directly to wood,
use an eyelet and flat washers as shown in Fig. 7.
e A spare horn A and horn E are supplied with the set. Use them as
needed.
e Pack the receiver in sponge rubber and wrap the rubber with rubber
bands. Mount the réceiver so that it will not be affected by engine
vibrations and will not directly touch the fuselage and cannot move.
If the receiver may be used where it may be covered with mud or
water, waterproof and dustproof it by placing it in a plastic bag and
wrap a rubber band around the mouth of the bag to seal it. After
use, immediately remove the receiver to prevent condensation.
e Also pack the receiver and servo batteries in sponge rubber and wrap
the sponge with rubber bands. When used in an airplane, shifting of
the batteries will change the center of gravity of the plane. After
positioning the batteries, fasten them securely. Waterproof the con-
nectors in the same manner as the receiver.
® Fasten the servo and switch leads with the same rubber bands used
to wrap the receiver.
e Futaba three-wire servos can be used with any Futaba transmitter
and receiver combination. (Except the J. PCM, G-FM and Magnum
eries.
e After mounting and checking all the parts, take your set to a hob-
by shop or an experienced radio control enthusiast and ask them to
inspect your setup and to explain the handling and precautions for
radio control models.
e To enjoy your radio control model to the fullest, always follow the
instructions of an experienced radio control enthusiast and obey all
safety rules.
USING THE ANTENNA FREQUENCY FLAG
Insert the frequency
flag into the fiag
holder as shown
here.
72/75MHz Flag
The flag can be attached
to and removed from the
end of the antenna with
one touch.
Staple or glue with cyano-
acrylate ribbon here.
Fig. 8
(2) Unsolder and disconnect the lead between |
the power switch and battery holder as _
shown in Fig.16.
(3) Connect and solder the power jack o
in the FBPK-10 to the 3PC red male
connector, while being sure that the
red and black leads are connected in the
correct position. Remove the plate at the |
position where the charger power jack is | /
to be installed using needle nosed pliers. д
Unsolder and disconnect
| the red and black lead here.
Connect the red female 3PC
of the NT-8J to this connector.
3PC red female U 1
connector + |, |
———]————————]
Transmitter NT-8J
nicad battery.
a ”
E + =p o
Fi Remove the contacts indicated
ig. 15 by the dotted lines.
Soider, being || 9 _—. "7 © =
sure that the —= 7 3PC red male
red and black {| | EL | connector
leads are Female
correct.
Fig. 17 107 Remove at this point
Power jack (too and bottom of case) with
needle nosed pliers.
2‘ >
Fig. 9
REPAIR SERVICE
e When requesting repair of trouble that has occurred suddenly
of from long use, describe the trouble symptoms in as much
detail as possible.
This will facilitate detection of the trouble point and shorten
the repair period greatly.
e Defects caused by faulty materials or workmanship will be cor-
rected free of charge.
e This limited warranty is null and void if the set has been tam-
pered with or disassembled.
Refer to warranty statement for details.
e SPLINED HORNS
This horn permits shifting of the
servo neutral position at the servo
horn. Setting and shifting the
neutral position
To shift the holes center line to
the right (clockwise) relative to
baseline A, shift arm 2 to the po-
sition of arm 1 and set it to the
position closest to baseline À.
[Example] For a four arm horn,
the angular shift per segment is
14.4”. The shift to the right is 90”
— (14.4 x 6) = 3.6°
To shift by the same angle in the
opposite direction, use the oppo-
site arm number.
a) Angle divisions
a Fig. 10
1) The splined horn has 25 seg-
ments, The amount of change per
segment is; 360-25=14.4°
2) The minimum adjustable angle
is determined by the number of A
arms or number of the holes. For
four arms, the minimum adjustable
Fig. 12
For a six arm horn, turn the arm
counterclockwise and set arm 2
angle is: (25 x 4) to the position of arm 1. The ad-
360° + a 6° — justabie angle is 60° — (14.4 x 4)
Number of divisions = 24°,
Arm 3 shift 4.8” to the right, arm
b) Effect 6 shifts 2.4” to the left, and arm 4
shifts 7.2° to the right and left.
о
oi
, 2°
; 81
— e
я >
0000- ® 0000
A —
|
1
HORN A HORN B HORN C HORN D HORN E HORN P
- GUARANTEE
Your NEW FUTABA Digital Proportional R/C system is guaran-
teed against defects in workmanship and material for 180 days
from the date of purchase when the attached registration card is
returned to us within ten days of purchase.
This Guarantee is null and void if the R/C system has been im-
properly handled, damaged in a crash, or tampered with and
does not cover the replacement of plastic housings or electronic
components damaged due to the use of improper voitages.
When service is required, please take your equipment to your
local authorized service station or ship it directly to us. All
postage, shipping, and insurance charges must be paid by the user.
(4) Connect the 3PC red male connector soldered to the power switch
to the 3PC red female connector of the NT-8J, check the positions
of the left and right sticks, level meter, power switch, PC wiring
board, and the power jack just installed, then install the transmitter
case with the screws.
(5) Charging and use
(a) Connect the power plug of the FBC-8B (1) battery charger to the
transmitter charging connector. Connect the 3PC red male connec-
tor to the receiver and servo NR-<4C nicad battery. Plug the battery
charger into a 120 VAC outlet as shown in Fig. 18.
Notes: Tx
(1) First, connect to TX AC-120V -—
Nicd and red lamp goes a LN
on. ‘ #5 ;
(2) Then, connect to RX — < A /
Nicd after connecting, [ E {om
L,E,D, changes color
from red to greenish
red (orange) which
indicates that both TX :
and RX Nicds are being ?
FBC-8B(1) (cp +
|
charged.
(3) In case of separate ==
| charging, L.ED, color | 2 A
will be: au
AX Nicd — Green
TX Nicd — Red
Newly installed
power jack.
(b) Normally recharge the battery about 15 hours. If the battery has
not been used for some time or is new, discharge and recharge it
2 or 3 times before use.
(c) Connect the receiver servos as shown in Fig. 19.
(d) If the battery is left discharged for a long time, its capacity will de-
crease and the life of the battery will be shortened. After use, re-
charge the battery before storing it.
(e) Always recharge the battery before use.
(f) A fully charged battery can be used for about tow hours at 10
minutes/flight.
Receiver FP-R2GS <— —
EN... A i Throttle
== 3 Servo
Fig. 19
HANDLING THE TRANSMITTER FP-T2NL
Part Names z
Antenna
Throttle trim Neutral lever
Level meter
Handle
A
Hook
Rudder stick
OO a RD i
Rudder trim
N
o
ПО
N
N
nn a eth
N
J Transmitter
Throttle stick Power switch = crystal holder
Fig. 1
Loading the penlight batteries
J
«|
here and sliding down.
Remove the cover by pushing
\ ии
el J
Load the eight pen-light batteries
while paying careful attention to
their polarity.
Fig. 2
Modification from throttle stick from self-neutral
type to ratchet type
—-— Install the sliding
plate (sold sep-
e The name of each part of the transmitter is shown in Fig. 1. Memorize
the name and function of each part before using your set.
e Remove the battery cover at the rear of the set and load the eight
penlight batteries in the correct polarity as shown in Fig. 2.
e Extend the antenna to its full length and set the power switch to ON.
The pointer of the level meter should deflect to the silver zone. If the
pointer does not deflect, or deflects very little, check the batteries
and their connections and polarity.
e |f the level meter pointer deflects to the red zone, the receiving range
will be short. Therefore, replace the batteries whenever the pointer
drops to the boundary between the red and silver zones.
e The trim lever fine adjusts the rudder. Use it for neutral adjustment
and to correct the flying posture after mounting of the mechanism.
After test flight, keep the trim lever in the neutral position as much
as possible, and adjust the pushrod linkage for correction.
e The neutral position of the lefthand elevator stick (engine control
stick) can be selected in two steps by shifting the neutral lever as
shown in Fig. 4. Adjust it to match the application.
e The throttle stick is a self-neutral type. To change it to a ratchet type,
install the slide plate (sold separately) as shown in Fig. 3. Then re-
move the spring and swing arm.
e When changing the frequency, remove the crystal holder and change
the crystal. Except 72/75 MHz.
Use an AM replacement crystal. The transmitter crystal is
marked (T) and the receiver crystal is marked (R).
e To adjust the operating direction of the stick lever, loosen the four
screws and turn the stick and set it at the best position as shown in
Fig. 5. After setting the stick, retighten the four screws.
e The hook is for hooking a neck strap (sold separately) to the trans-
mitter. Hanging the transmitter from your neck with the neck strap is
very convenient.
e To use this set with an Nicd battery, purchase an FBPK-8 [Consisting
of NT-8J (Tx Nicd), NR-4M (Rx Nicd) and charger, FBC-2A
or FBC-8B (1)] and modify the set.
Futaba Digital Proportional Frequencies
(FOR U.S.A)
e The frequency of Futaba digital proportional sets can be changed
among bands (1) — (6) on the 27MHz band only.
© However, a 27MHz band set cannot be changed to 72MHz band, and
vice versa.
e Therefore, always attach the correct frequency flag to the end of the
transmitter antenna. Each frequency band has its own designated
color, as stated above. The frequency flag is intended for identification
purposes.
e Also change the frequency flag when frequency is changed.
e Futaba paired crystals are precisely matched. Always use a Futaba
crystal set (transmitter, receiver) when changing the frequency.
e It is illegal to change crystals of transmitter on the 72-75MHz bands
in the U.S.A.
Pry out with > rately).
needle nosed <
pliers. ES |
Remove
И the spring
Z 7 and swing
N Y arm. Fig. 3
Throttle stick neutral lever operation Fig. 4
[ E=-— lever up
lever down
When neutral
“..i{_/=—When neutral
If the neutral lever is mov-
ed, the neutral position of
the stick lever can be ad-
justed in two steps as shown
in the figure.
When the neutral lever is up, the
throttle stick can be adjusted to a
total of 54°, 27° up and 27°
down, from the neutral position.
This position is best for electric
cars and other models with which
the center of the speed controller
is the neutral position.
When the neutral lever is down,
the throttle stick can be adjusted
to a total of 54°, 36° up and 18°
down (2-to-1), from the neutral
position. This position is best for
engine-drive cars or other models
with which the speed controller
neutral position is offset.
Swivel stick setting method
body.
2 Select the angle by
turning the stick
1 Loosen these four screws.
3 Retighten these fourscrews.
Cab be adjusted over
this range.
26 996 — Brown
27.045 - Red
27.095 -
27.145 - Yellow
27.196 - Green
27.256 - Blue
72/768Miz - Alucratt only “Shared
72.030 12 Brown-Red
(Top Flag/Ribbon-
Bottom Flag/Ribbon)
72.080 - White/
72.180* - White/Blue
72.240 — White/Red
72.320* - White/Purpie
72.400 - White/Orange
72550 38 Orange-Grey
72590 40 Y eliow-Black
72.830 42 Y etlov-Reg
72.670 44 Yellow-Yellow
72.710 46 Yeiiow-Biue
72.750 48 Yotiow-Grey
72.790 so Green-Black
72830 52 Green-Red
72870 54 Green-Yellow
72910 56 Green-Biue
72.980* - White/ Yellow
75 840 — White/Green
75MHz - Car a: Bost oniy
75.430 62
Blue-Red
(Top Fiag/Ribbon-
Bottom Flag/Ribbon)
75.470 64 Blue-Yellow
75.510 66 Blue-Blue
75.550 68 Blue-Grey
75.590 70 Purpie-Black
75.670 74 Purpte-Y eliow
75.710 78 Purpie-Blue
78.750 78 Purpie-Grey
75.790 80 Grey-Black
75.830 82 Grey -Red
75870 84 Grey-Yellow
SIMHz - Aireraft/Car/Bost - FCC Ametuer
Licence Required
53.100 — Black/Brown
53.200 - Black/Red
53.300 - Black/Orange
53.400 - Black/Y etiow
53.500 — Black/Green
53.800 — Black/Blue Not
53.700 - Black /Purpie | genersily
53.800 - Black/Grey in use
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