Saturn Vs used LH2 only in the upper stages. The first stage's F1 engines burned kerosene and liquid oxygen. That's why you see 800+ ft. of yellow flame from Saturn Vs taking off, vs. small faint blue diamonds from the space shuttle's LH2/LO2-burning engines (not the boosters).
While I hope not, I'm afraid many will accept it, unknowingly, because it might be sold merely as an innocuous format change. Ie. we accept that Betamax movies and 5-1/4" disks can't be read by virtually any (none?) new machines nowadays, but only because different formats are the standard now, for better or for worse. But we know that's the free market at work (mostly), not Constitution-trampling legislation. I'm worried that the average consumer won't know the difference, given enough marketing spin.
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Saturn Vs used LH2 only in the upper stages. The first stage's F1 engines burned kerosene and liquid oxygen. That's why you see 800+ ft. of yellow flame from Saturn Vs taking off, vs. small faint blue diamonds from the space shuttle's LH2/LO2-burning engines (not the boosters).
While I hope not, I'm afraid many will accept it, unknowingly, because it might be sold merely as an innocuous format change. Ie. we accept that Betamax movies and 5-1/4" disks can't be read by virtually any (none?) new machines nowadays, but only because different formats are the standard now, for better or for worse. But we know that's the free market at work (mostly), not Constitution-trampling legislation. I'm worried that the average consumer won't know the difference, given enough marketing spin.
Or, "Elvis has left the building."