Welcome to Harbor Models Inc.


HiTec Standard Torque Servo
42 oz/in.
The HS-311 is the perfect servo for inexpensive applications. Do not let the price fool you though, this servo features many of the same aspects of more expensive servos. One peice circuit board and tight mesh gears ensures great durability. Comes with a number of various servo horns and arms with mounting hardware.
Dimensions:1.57 x .78 x 1.43"
Availability: Usually ships the next business day
HiTec 645MG High Torque Servo
133 oz/in.
The HS-645MG is one of our favorite servos of all time. We use this servo for all types of robotic applications and industrial products. The reliability and performance that you get for under $45 is fantastic. Metal gears, dual ball bearings, seperated motor and circuit board make the HS-645MG a top choice whether your project is boats, robotics, aircraft, cars or trucks. We offer the HS-645MG in several configurations, 90 stock rotation, continuous rotation (potentiometer is left outside the servo case) and reverse rotation.
Dimensions:1.59 x .77 x 1.48"
Availability: Usually ships the next business day
Futaba Standard Servo
44 oz-in (3.2 kg/cm) @ 4.8V
57 oz-in (4.1 kg/cm) @ 6.0V
1-9/16 x 13/16 x 1-7/16 in
1-5/16 oz
Availability: Usually ships the next business day
Sail Control Servo
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.
If using NiMH or LiPo batteries, make sure they 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.
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 6/13/00MAF
Availability: Usually ships the next business day