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Calender

Sept.28 Meeting with Discover Magasine reporter, Fenella Saunders

Sept.27,'99 Meeting of AIAA, presentation of microLTA.

Sept.28'99 Visit by Hans Mark

Oct.1,'99 Meeting with Stratospheric Balloon Experts (Winzen)

Oct..16,'99 Shop tour by Texas high school minority honor students.

StratoPic

Structure- hard points, stringers, and envelopes

Resolve dynamic loads from propulsion, control input, and collision

Propulsion- bench testing, mounting, wiring, speed controller, batteries, charging

Design- detail engineering, upcoming stratospheric missions


AIAA Folk

abhopale@mail.utexas.edu, msk@mail.utexas.edu, kbforest@mail.utexas.edu, charis@mail.utexas.edu, jj.marichalar@mail.utexas.edu, travisfitz@mail.utexas.edu, BAJ6000@aol.com, csbarbee@mail.utexas.edu, jthalbert@mail.utexas.edu, raustin@mail.utexas.edu, jaming@mail.utexas.edu, lagomorph@mail.utexas.edu wile.e.coyote@mail.utexas.edu

http://www.ae.utexas.edu/~aiaa/noframes.html, iguerra@mail.utexas.edu, aiaa@www.ae.utexas.edu

Apoorva Bhopale abhopale@mail.utexas.edu AIAA President

Karoly Burgyan kbforest@mail.utexas.edu 389-3353 propulsion

Marcus Kruger msk@mail.utexas.edu 441-1103 structure

Iliana Guerra iguerra@mail.utexas.edu 495-5903 design

Charis Hall charis@mail.utexas.edu 452-0632 design

Jeremiah Marichalar jj.marichalar@mail.utexas.edu 495-3707 structure

Travis Fitzgerald travisfitz@mail.utexas.edu 495-5100 structure

Brandon Jones BAJ6000@aol.com 453-7609 design

Scott Barbee csbarbee@mail.utexas.edu 474-2107 design/propulsion

J.T. Halbert jthalbert@mail.utexas.edu 440-8065 structure/propulsion

R. Austin raustin@mail.utexas.edu 478-8902 aero/design

Jamin Greenbaum jaming@mail.utexas.edu 457-8261 general

Nick Bender lagomorph@mail.utexas.edu 495-2625 design

Safety- lanyard to every component, impact padding or drogue for safer freefall.

Drafting (system circuit drawing, plans), part inventory, weight budgeting, web documentation,

Missing parts- stringers, new envelope (stretched, w/ outer envelope)

Docking beak needs- servo install, full stringer/film shroud

Tail surfaces

Wiring (aluminum lighter per current capacity)

Site Visit

Concepts

Proximity flight by shuttle craft

Solar/Thermal- photosensor and single control axis

Wish List

Corporate and private sponsorship

Larger robust outer envelope w/ inner gas bag (we need Bartlet Sails)

Better MicroVideo

Microcontoller

Bold UT markings less than 7 grams

Better Motors (lighter brushless at same performance, lower power)

DBF- Design/Build/Fly Contest

StratoSnake- a long helium tube (say 900 x 30 ft.), one side clear, the other black inside, metallized outside. It presents its clear side to sun to swell and rise at a gentle angle at several hundred feet a minute. At max. altitude the tube rolls over and presents metallized side to sun, rapidly cools, shrinks, and dives at a shallow angle. Thus, by large vertical undulations of many thousands of feet the snake makes progress through the air, purely by solar thermal power.


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