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Attachment A Milestone Table

Actual Completion

Responsible Organization

Date

6/10/01

RSV

1

Revised Planned Completion Date

Original Projected Cost (Fed/ Non-Fed) $4,500/ $4,860

Revised Projected Cost (Fed/ Non-Fed)

Actual Completed Cost (Fed/ Non-Fed) $6301.25/ $8368.75

Milestone Notes

Developed Requirements & Objectives. Tested subscale models. Researched materials. Developed 3D stat computer modeling. Developed and analyzed a number of alternate concepts. Selected design for prototype and finalized req’t.s & objectives

Milestone/Task Title

Original/ Previously Planned Completion Date

Prototype Design Trade Studies

6/1/01

2

Prototype Design

7/1/01

$5370.75/

Completed analysis,

$7184.25

component prototypes,

testing, and design for:

  • Winch and tether

system

  • Base Balloon

  • Toroid

  • Ball roller base

  • Reflector

Developed prototype test plan.

8/30/01

RSV

$5,180/ $5,595

3

Prototype Construction & Refinement

12/15/01

4/30/02

7/11/2002

RSV

$10,240/

$15234/

$22396.34/

$11,060

$13926

$20703.

Procured parts. Constructed & assembled:

  • Platform & Base

  • Stepper driver

Designed and contracted for:

  • Winches

  • Base & Toroidal

Balloons Refined design to alternate based on control problems with initial prototype at high tilt angles.

Page 43

November 24, 2002

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