Orbital Minotaur I User Manual
Page 6

Minotaur I User’s Guide
Table of Contents
PAGE
4.7.
Payload Contamination Control .................................................................................................. 26
4.8.
Payload Electromagnetic Environment ....................................................................................... 26
5.
PAYLOAD INTERFACES .................................................................................................................. 28
5.1.
Payload Fairing ........................................................................................................................... 28
5.1.1.
50” Standard Minotaur I Fairing ............................................................................................... 28
5.1.1.1.
Payload Dynamic Design Envelope .................................................................................. 28
5.1.2.
Optional 61” Payload Fairing ................................................................................................... 29
5.1.2.1.
Payload Dynamic Design Envelope (61” Payload Fairing) ............................................... 29
5.1.3.
Payload Access Door .............................................................................................................. 30
5.2.
Payload Mechanical Interface and Separation System .............................................................. 32
5.2.1.
Minotaur Coordinate System ................................................................................................... 32
5.2.2.
Orbital Supplied Mechanical Interface Control Drawing .......................................................... 34
5.2.3.
Standard Non-Separating Mechanical Interface ..................................................................... 34
5.2.4.
Optional Mechanical Interface ................................................................................................. 34
5.2.4.1.
Dual and Multi Payload Adapter Fittings ........................................................................... 34
5.2.4.1.1.
Load-Bearing Spacecraft ............................................................................................ 34
5.2.4.1.2.
Non Load-Bearing Spacecraft – Dual Payload Adapter Fitting (DPAF) ..................... 35
5.2.5.
Optional Separation Systems .................................................................................................. 36
5.2.5.1.
Orbital 38” Separation System .......................................................................................... 37
5.2.5.2.
Planetary Systems Motorized Lightband (MLB) ................................................................ 39
5.2.5.3.
RUAG 937 Separation Systems ........................................................................................ 39
5.3.
Payload Electrical Interfaces....................................................................................................... 40
5.3.1.
Payload Umbilical Interfaces ................................................................................................... 40
5.3.2.
Payload Interface Circuitry ...................................................................................................... 41
5.3.3.
Payload Battery Charging ........................................................................................................ 41
5.3.4.
Payload Command and Control .............................................................................................. 41
5.3.5.
Pyrotechnic Initiation Signals ................................................................................................... 41
5.3.6.
Payload Telemetry ................................................................................................................... 41
5.3.7.
Payload Separation Monitor Loopbacks .................................................................................. 42
5.3.8.
Telemetry Interfaces ................................................................................................................ 42
5.3.9.
Non Standard Electrical Interfaces .......................................................................................... 42
5.3.10.
Electrical Launch Support Equipment ................................................................................... 42
5.4.
Payload Design Constraints........................................................................................................ 43
5.4.1.
Payload Center of Mass Constraints ....................................................................................... 43
5.4.2.
Final Mass Properties Accuracy .............................................................................................. 43
5.4.3.
Pre-Launch Electrical Constraints ........................................................................................... 43
5.4.4.
Payload EMI/EMC Constraints ................................................................................................ 43
Release 3.0
March 2014
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