Helium is harder to come by, but we can split water with a flashlight battery, two electrodes, and a test tube collector; and hydrogen density is half of helium!
Isn't it time we started filling our stunt ships with hydrogen, to get some extra lift and offset the weight?
Oh I know this won't fix inertial issues, but it is better to light a single candle than to curse the darkness.
L.
"On the one hand, we'll never experience childbirth. On the other hand,
we can open all our own jars." -Bruce Willis, on differences between men and women