Hot-Air Balloon Equation Program?
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its a weird topic, but me and my family are hot air balloonists, and i myself am excelling in r/c balloon making. ive already sold my first one Very Happy anyways, theres an equation for calculating the balloons lbs of lift/ cu foot of the envelope, and another for creating the 'gores' as they're called. (the shape of the fabric that when sewn together makes the tear drop balloon shape) this is called the 'smalley factor' or 'smalley equation' im trying to find it online, and when i do, ill need some help figuring out how to program it, its fairly advanced calculus...

Edit: found some links... maybe they'll help?

http://www.ultralightballoons.com/images/my_balloon.pdf

http://www.proaxis.com/~bobledoux/Issue22.pdf
Since those are PDF links, would you mind summarizing the major equations for us so we can see if it's something that would be easily solveable with TI-BASIC and the existing z80 calculator BASIC functions?
  
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