Orbital Hingelock TEE Deployer Model T126 Manual do Utilizador descarregar pdf

Hingelock

TEE Deployer

Model T126

Hingelock

TEE Deployer

Model T126

Introduction

Orbital’s Hingelock deployer model T126 was develpoed

to meet requirements for the Air Force Communications/

Navigation Outage Forecasting System (C/NOFS)

mission. A total of six Orbital Model T126, Deployable

Electric Field Antenna Booms with Spherical Sensors were

developed as a part of the Vector Electric Field Instrument

(VEFI) experiment provided by NASA/GSFC.

Deployer model T126 is a motor driven mechanism

capable of extending and retracting a 1.12 inch

(2.86cm) diameter, 31.2 foot (9.5 meter) long Tubular

Extendable Element (TEE). For C/NOFS an eight

conductor flat cable is deployed inside the TEE to provide

power and signal to a 10cm diameter Sphere Sensor

located at the tip of the boom.

Typical Technical Specifications:

Antenna Element

Deployed Length: Up to 31.2 ft (9.5

meters)

Diameter: 1.25 in (2.86 cm)

Configuration: Hingelock

Material: Beryllium Copper,

0.0045 in thick

(0.1143 mm) thick

Thermal Control Silver and

perforations with

Teflon (if required)

Weight: 31.4 gr/ft

(with coatings): 103.12 gr/m

Deployer

Length: (deployer unit only)

18.94 in (48.1 cm)

Including Sphere and Shadow Equalizer:

28.3 in (71.9 cm)

Width: 7.0 in (17.8 cm)

Height: 8.23 in (20.9 cm)

Total Unit Weight: (14 lbs. 6.3 kg)

Drive: Brushless DC Motor

Inverter Power: 300 milliamps

maximum at 28 volts

Deployment Rate: Approximately 1.0 in/sec

(2.5 (cm/sec)

Operating

Temp Range: -20C to +60C

The deployer features electrical and mechanical stops at

full-extension and -retraction. A potentiometer, driven by

the moving element, provides a continuous indication of

deployed length. To ensure minimal distortions due to

thermal gradients in a space environment, material

perforations and thermal control coatings are applied on

both the inside and outside TEE surfaces. This unit is driven

by a brushless DC motor and can deploy or retract in orbit.

This deployment mechanism is designed to meet the

requirements of MIL-A-083577B (USAF), General

Specification for Mechanical Assemblies for Space and

Launch Vehicles.

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Introduction 1
Features 2

Resumo do Conteúdo

Página 1 - Introduction

HingelockTEE DeployerModel T126HingelockTEE DeployerModel T126IntroductionOrbital’s Hingelock deployer model T126 was develpoedto meet requirements fo

Página 2 - Features

Orbital Technical Services Division5010 Herzel PlaceBeltsville, MD 20705Phone: (301) 902-1152 FAX: (301) 931-0396www.orbital.com7500 Greenway Ctr. Dr.

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Orbital Hingelock TEE Deployer Model T126 Manual do Utilizador

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