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0 pointszabzonk1y ago0 comments

> Simple: condense water out of the exhaust like the zeppelins did.

Citation? Would not the condenser need to burn fuel, thus lightening the ship?

0 comments

You are carrying fuel and using oxygen from the atmosphere to combust it. When it's hot, it's a gas. By simply cooling it and recovering most of it, you are potentially left with more mass than you started off with... and Oxygen is relatively heavy.

sethherr1y ago

The article describes electric airships

QuadmasterXLII1y ago

The article describes diesel electric airships.

1 more reply

mitthrowaway21y ago

The GP asked about burning fuel. But in the case of electric airships, you can run an electric condenser, extracting atmospheric water vapor.

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