Futaba S3802 Sail Servo

Tower Stock# FUTM0039  •  Manufacturer Stock# S3802
Notes from our tech department:
This is a High Torque, Arm-Type Sail Servo with a Metal Output Gear for
Sailboat Applications.
This S3802 is the replacement for the S125 servo.

This servo can produce high-current draw from your batteries.
Make to use batteries that are capable of delivering sufficient amps.


Metal gears with a special interference-eliminating lubricant to
handle high torque applications.
3-pole motor
Two ball bearings
Plastic sail arm included (FSH25H), plus 22mm Round Horn
Rubber gaskets make it water and dust resistant.
One year warranty
Has an arc of 60, it is capable of 140 with a computer radio
that has adjustable ATV


One S3802 High Torque Sail Servo w/ J Connector

Four Mounting Screws
Four Rectangular Grommets
Four Brass eyelets


Length: 1.7" (1-3/4") (44mm)
Width: 0.9" (7/8") (23mm)
Height: 1.7" (1-11/16") (43mm)
Weight: 2.5oz (2-9/16oz) (72g)
Sail Arm Length: 125mm
Torque: 122 oz-in @ 4.8V - 153 oz-in @ 6V
8.8 kg-cm @ 4.8V - 11.0 kg-cm @ 6V
Transit Time: 0.70 sec/60 @ 4.8V - 0.56 sec/60 @ 6V
updt jxs 10/30/03
updt jxs 10/29/04


Manufacturer Contact Information

Futaba is a registered trademark of Futaba Corporation.