The Servo Digital Heli Rudder produced by Futaba, is classified in R/C Models - System - Servo - Standard Servos
This is the Futaba S9253 Digital tall Speed Rudder F3C Servo for Gyro
with High-Current Wire Lead and "J" Connector Pre-Installed.
This servo can produce high-current draw from your own batteries.
If making use of NiMH or Li-Po batteries, make sure they are capable
of delivering adequate Amps.
QUALITIES: Digitally enhanced microprocessors cut about 1/2 the reaction time
from transmitter input to servo response.
Dual ball bearings in the output shaft
Coreless engine with Plastic/nylon gear train
High speed
High present, high capacity cable lead with low resistance
Gold plated connectors
Case consists of black colored plastic
Dust and water resistant (maybe not waterproof)
Designed solely as a tail rotor servo for F3C, 30, 46 and 60
sized helicopters, specially with SMM gyros including GY401,
GY502. (wont make use of the GY601 gyro.)
One year guarantee
INCLUDES: One Digital All Purpose Servo w/Small Round Horn
Four Rectangular Grommets
Four Brass Bushings
Four Mounting Screws
One Large Round Horn
One Six Supply Horn
SPECS: Speed: .08 sec/60 degrees (predicated on 4.8V gyro rating)
Torque: 28 oz/in (2.0 kg-cm) (according to 4.8V gyro score)
fat: 1.7 oz (49 g)
power: 4.8V (Futaba cannot suggest utilizing 6V)
Length: 1.6" (41mm)
Width: .8" (20mm)
Height: 1.5" (38mm)
COMMENTARY: S9253 Digital Servo Precautions,
-It is better in order to avoid long leads and Y-harnesses especially with
standard grade cables. If issues are experienced, consider using
heavy duty wire like Futaba's heavy weight Series or Hobbico's
Pro Series ,minimizing lead lengths, and/or eliminating Y-harnesses.
-Current Drain: Futaba S9253 Servo is specially designed for high-
torque and high-speed, consequently quite high present drain is
normal at startup. For ultimate performance when using this servo,
please review the next points.
(1) Always utilize a 4.8V NiCd w/gyro. Dry cells are ranked at 1.5V
each making the overall voltage 6.0V which will harm the gyro.
(2) When using systems aided by the battery pack fail safe function it has
a higher cut-off voltage setting that will cause shorter
operation time.
(3) When installing the servo please check pushrod linkage to make
sure there is no binding so that you can prevent excessive power
consumption and reduce the life regarding the motor and battery.
Whenever Used With GY501 Gyro:
Switch the GY501 servo frame price function (Frm) from "NOR" to
"tall" to show the performance associated with gyro on fullest.
Setting Method:
(1) Press the GY501 FUNC+ or - key to call the Servo Frame Rate
Setup Screen.
(2) Press the DATA+ or - key to produce "High".
This electronic servo cannot be used with the following * AM *
transmitters while the servo basic signal is: 1310us).
CONQUEST AM, FG Series (T4FG, T5FGK,T6FG, T6FGK, T7FGK), Brand New Terra-
top, T3EGX, T3PGE, T2NL, T2LGX, T2FR, T2PK show.
**** Otherwise they are going to work fine with present AM systems *****
