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pressure
...volume of the balloon, m the mass and g the gravitational acceleration.
Assuming that there's no internal pressure, (not a rubber balloon), and applying the ideal gas law to both the volume of displ...
...eferences on the engineering design of balloons or the physics of balloons? Something that would talk about pressure height, buoyancy, balloon materials, atmospheric conditions, etc. I already know so...
... hot air balloon.
Consider these two explanations:
(1) The buoyant force is caused by the fact that air pressure decreases with altitude. Therefore, the force pushing 'up' on the bottom of the bal...
...here was his report of his sighting of an airship over the autobahn. From his description it was a Goodyear pressure airship and not the new Zeppelin ship.
Question: Is the Goodyear ship there just ...
...oon material weight. If anyone could point me in the right direction it would be much appreciated. How much pressure, of helium, is required to maintain balloon shape? What kind of materials for ballo...
...ing. All the replies on using heat tapes, nitrogen, hot water etc. I have still not found a way to keep the pressure up on those cold mornings. I have heat tapes on my tanks but am becoming more and m...
...y of the air inside a balloon achieved by the expansion of the balloon? Namely, does the heat increases the pressure which in turn expands the volume of the balloon which in turn increases the buoyanc...
...afternoon flight. Other theories I have seem to work but I don't know why. Such as; say you have a big high pressure and the winds are very light. You're worried about getting stuck on that PM flight....
...ve a space constraint, that the added BTUs per gallon will help along with as would the diminished internal pressure reqirements of the tank, that would ultimately yield a lighter, smaller and cheaper...
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