Orbital 214 User Manual

Overlap

Overlap

TEE Deployer

TEE Deployer

Model 214

Model 214

Introduction

The Overlap deployer Model 214 was developed for
the German Helios A&B satellites. This motorized
mechanism is capable of extending and retracting a 60
foot (18.3 meter) long Tubular Extendible Element (TEE).
The deployer features electrical stops at full-extend and
–retraction. A potentiometer, driven by the moving

Typical Technical Specifications:

Antenna Element

Deployed Length: Up to 60 feet

(18.3 meters)
Diameter: 0.25 in (0.64 cm)
Configuration: Overlap
Material: Beryllium Copper,

Alloy 25

0.0015 in thick

(0.0381 mm)
Thermal Control Silver with Kapton
Coating: (if required)

element, provides a continuous indication of deployed
length. This deployment mechanism design will meet the
requirements of document MIL-A-083577B (USAF)
General Specification for Moving Mechanical
Assemblies for Space and Launch Vehicles.

Deployer

Height: 2.714 in

(6.894 cm)

Length (Basic): 6.312 in

(16.033 cm)

Width: 4.812 in

(12.223 cm)

Drive Motor: Motor-Inverter

Assembly
Power: 14 Watts maximum
Voltage: 28 Vdc
Deployment Rate: Approximately

0.3 in/sec

(0.76 cm/sec)
Operating
Temperature Range: -30°C to +60°C
Storage
Temperature Range: -55°C to +60°C

Features

■ Automatic full-extend and -retract motor power cut-off

■ Full-extend and -retract flags

■ Deployed length indicator

■ Minimal magnetic materials

■ Unit is shown with a customer supplied deployable

iron guard attached

10

6.3

2.7

All dimensions are in inches

unless otherwise noted

Orbital Technical Services Division
5010 Herzel Place
Beltsville, MD 20705
Phone: [phone] FAX: [phone]
www.orbital.com

3.75

4.8

Overlap TEE Deployer

Model 214

7500 Greenway Ctr. Dr.,
Ste. 700 Greenbelt, MD 20770
Phone: [phone] FAX: [phone]