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Below you will find numerous downloads with respect to high altitude scientific ballooncraft, design notes and descriptions
of environments. Also for the solar Montgolfiere balloon enthusiast, there are design equations and recommendations.
click here to download my Balloon Systems Seminar presentation pdf file
click this link to the NASA systems seminar web site where you can select to watch a streaming video of my presentation.
This next free down load is a my thermal prediction program for polyethylene balloons. Programmed in Visual Basic, so long
as you know the optical properties (solar absorptivity, infrared emissivity, transmissivity), it's good for any balloon material.
click here to download Balloon Thermal Predictor zip file
click here to download my short design guide, "Designing Pumpkin Balloons"
click here to download Atmosphere description and Solar Montgolfiere design equations
click here to download my equations for the approximate rate of climb for balloons
click here to download my Free Lift and supply tank calculator
click here to download the FreeLift theory manual
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