Originally Posted by
Herod
Presumably, with these newer impermeable membranes, they will only have to fill it once, with the occasional top-up. Unlike, say, the R34, which on arrival in America needed 50,000 cubic feet of hydrogen.
IIRC, the R33 class were around 2 million cubic feet, and the later R101 was losing around 50,000 cubic feet per day.
I don't know if your figure is correct but, if anything, that sounds very low.
G