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Tower Hobbies - TOWM5230   667300452306 0667300452306
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Tower Hobbies TS-63 Low-Profile Retract BB Servo U
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Tower Hobbies TS-63 Low-Profile Retract BB Servo U
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Late Apr

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Tech Notes
This is a TOWER HOBBIES Lo Profile Servo with a Universal Connector.


Low, flat, profile design fits into narrow airfoil wings easier
Strong, dependable gear train
High torque
Contains one ball bearing and one oilite bushing
Mounts with two screws
Universal Connector Fits Futaba, Hitec, JR, KO Propo, Airtronics Z,
and Tower Hobbies.
One Year Warranty
Travels 180 - full-lock to full-lock -- to hold your gear in
position securely. Not proportional. Perfect for mechanical retract
installation. (see COMMENTS)


One TS-63R lo-profile retract servo
One 7/8"x7/8" X-shaped servo horn
One 1 1/8" long straight servo horn
One 11/16" diameter round servo horn
Two brass eylets
Two mounting screws
Two servo grommets
One servo horn screw


Length: 1.7" (43mm)
Width: .9" (23mm)
Height to top of case: 1" (25.4mm)
Transit Speed: .5 sec @ 60, .40 sec @ 60 non-proportional
Output Torque: 91 oz-in @ 4.8V, 110 oz-in @ 6V
Weight: 1.2oz (34g)
Length of servo lead: 6" (152mm)


A retract servo is a very specialized servo. It is non-proportional,
going 180, "lock to lock", and specifically made for mechanical
retracts to lock the gear 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
and provide full maximum available torque at the two end points.
This is their whole purpose and intentional design, but if someone
has a unique design situation where they need other than 180
available, they must use a proportional servo, not a retract servo.
They are specifically designed to withstand constant holding loads
in the UP and DOWN positions, unique to the use of mechanical
Pneumatic retracts DO NOT use retract servos. A proportional
standard or mini servo is used to move the air valve back and forth

js 4/5/94

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Phone: 217-398-8970
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PO BOX 9078

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Parts Compatibility
Parts Compatibility for Tower Hobbies TS-63 Low-Profile Retract BB Servo U
This item is an optional part for the following:
 LXLDP9** Tower Hobbies 6XM 6-Channel Computer FM/No Servos  (Parts List)

Tower Hobbies Has Been Serving Hobbyists Since 1971 • Call 800-637-6050 or 217-398-3636
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