Hitec Hs-75Bb Retract Servo, .34Sec/114Oz @ 6.0V

This is a 75BBS Retract Servo used for R/C Aircraft Mechanical Retracts
with a Universal Futaba J, Hitec S, JR and Airtronics Z connector.

FEATURES:
High torque
Travels 180° - full-lock to full-lock - to hold your equipment in position
    securely. Not proportional. Perfect for mechanical retract
    installation.
Water resistant
Ball bearings

CONSISTS OF:
Servo w/Universal connector, along with full set of horns, grommets,
    bushings and mounting screws.

SPECS:
Length: 44mm (1.7") Weight: 35g (1.23 oz.)
Width: 23mm (0.9") Torque: 6.6 kg-cm (92 oz-in)
Height: 25mm (1.0") Speed: 0.5 sec/60°

REMARKS:
A retract servo is a really specialized servo. It is non-proportional,
    going 180 degrees, "lock to lock". They are particularly made for
    mechanical retracts to lock the equipment in the up and down positions.
    they DO NOT have any means of end point adjustment and can not be
    adjusted by ATV on a transmitter. They are only able to go 180
    degrees and provide full optimum available torque at the two end
    points. This is their entire purpose and deliberate {design|style}, however if
    somebody has a unique design circumstance where they need besides
    180 degrees available, then they need to use a proportional servo,
    not a retract servo. They are particularly created to hold up against
    constant holding loads in the up and down positions, distinct to the
    usage of mechanical withdraws.
    Pneumatic retracts do not need a retract servo. A proportional
    basic or tiny servo is used to move the air valve back and forth

    For Equipment set, order HRCM6343