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Politics : Formerly About Advanced Micro Devices -- Ignore unavailable to you. Want to Upgrade?

To: tejek who wrote (357749)	11/10/2007 1:37:38 PM
From: TimF	Read Replies (2) \| Respond to of 1572885

Do mean a zeppelin? With zeppelins or blimps you still want power. How would we have made them go? I suppose today you could use electrical engines, but if you tried to do that in the earlier days of flight you would be restricting your payload a lot as you try to carry large lead-acid batteries to power your engine. Oil based fuels are much better in terms of power per weight. You could also have a hydrogen engine or fuel cell. Hydrogen is great in terms of power per weight, but it has lower power per volume and a number of other problems.