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Evidentally the original Steel-belted radials- the Goodyear Naval rigid airships, such as the Akron and Macon , both lost in accidents. the Navy had plans for a trainer full-rigid dirigible - with steel internal framework, around about l939. Costs were appropriated, I do not know how far along this was in the design stages but it is estimated the craft would have had an envelope capacity of 3,000,000 cubic feet of Helium. As far as is known the craft was never built. There is a model of a belted blimp, with the internal framework showing, at the Franklin Institute in Philadelphia in the aircraft section, I have no idea if the model is still hung up.
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What type of thermal energy is When a hair dryer heats a balloon and the air inside it the balloon expands?
conduction
What is a balloon clock?
A balloon clock is a form of bracket clock with a balloon-shaped case.
How do you measure the speed of a balloon?
With balloon-ometer.
What happens if you heat a balloon?
If you gradually heat a balloon, then the gas inside the balloon will expand, causing the balloon to become bigger in volume.If you put a balloon above a flame, then the balloon will pop because the heat will weaken bonds in the polymer that makes up the balloon, thus the polymer will not be able to hold the pressure of the gas inside the balloon.
Why does a balloon pop as it goes up to the sky?
the pressure has increased
