CARGO AIRSHIP - 600 tonne ( 661 short ton usa ) Completely differnt than the zepplin style.
This format allows more centralized gas which facilitates more lift power.
Versus zepplin models gas is distributed length wise.
Link https://simpleflying.com/cargo-airships-analysis/ Articles i was reading pertaining to 4000 tonne airships ?
Most likely well into the future or..... compressed hydrogen ?
1200 tonnes ( 2 ( 600 t ) roundtrip airship runs per day )
x $8950 t
=
$10,740,000 ( million dollars / day )
x 200 operating days ( weather )
= $2,148,000,000 billion usd / yr / 200 shipment days yr That's the kind of numbers ----------> attracts funding interest.
1200 t day x 200 opersting days
= 240,000 tonnes yr divided into 29,635,500 Cr tonnes
= 123 yr mine life
60% Ferro Concentrate ? $1.50/lb SSM pricing usd - $3300/tonne usd
1200 tonnes
x $3300 t usd
= $
3,960,000 day
x 200 airship days yr
= $792,000,000 million usd yr
1200 t day x 200 days ( air ship ) = 240,000 t yr
49,392,500 concentrate tonnes ~ 240,000 t yr
= 205 yr mine life
Any wonder... P Ford has been working on the ring of fire ?
Mega Value Project.
Cheers....