[FlyMoreRockets]

Okay, I stand corrected about it flying on helium, thank you for correcting me, +1. However, the Hindenburg was designed to fly using helium as the lift gas.

https://en.wikipedia.org/wiki/Hindenburg-class_airship#Lift_...

The article goes on to say the difference in lift between hydrogen and helium is only 8%.

Edit: drop the apostrophe on zeppelins

[TylerE]

8% of 500,000lbs is....