h a l f b a k e r y
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(picturing a blimp spinning on a horizontal axis) |
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Wouldn't there be some kind of weight issue, as in too much of it? |
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Airships get lift from helium not hot air don't they? I don't think you have to heat it. Of course they used to use hydrogen and you must not heat that. - Oh the humanity!!! |
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Worldgineer, what, you mean like all single engine aircraft do? |
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DrCurry, not sure how you can say that, gas turbine engines have a much better power to weight ratio than the petrol engines used on most airships and are quite a bit lighter than the diesels of the R101. |
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K9island, true, most 'airships' have used hydrogen or helium, some used coal gas. But hot air baloons use hot air, I guess you could build a hot air airship. |
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I believe this idea has merit and get my vote. |
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if you have ever stood behind an M1 tank while its running, you would understand how much heat a turbine engine makes... |
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I've flown an hot air airship, powered by a single cylinder IC engine. Very slow and nice. Tried to cover a marathon event but the runners overtaked me (¿?).
With turbines it should go much better, of course. No problem with propeller torque, use two counter-rotating. Nice idea to use the hot exhaust gas to inflate the bag. BUN BUN BUN. |
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