For those worried about collecting sufficient hydrogen to run a colony over Venus, perhaps they can borrow some of the cold water that Casey Handmer dumped on the whole project, last April. They could terraform the planet with that.
I have to admit, Handmer's not wrong... if we were concerned with the planet. Lately as you can see here I've been looking to SVL2.
As Landis-stan goes, at the poles, we might be able to stay in perma-daylight. And instead of helium - use hydrogen or syngas. There's not much of that over Venus but there's certainly more of it than helium, and it's not going to burn. So some of Handmer's cold water is tepid.
But overall yes, we will need (much) more mass to get to Venus' clouds and stay up there than to get to Mars' surface. And once on Mars, you got minerals to work with; which Venus' clouds don't got. Venus will need a space presence before daring a cloud presence.
Elsewhere on Handmer's blog, I find a post about airship tech. The Zeppeliners should rebuild what they build best: airbourne cruise ships. As in: our air. Maybe helium-buoyed, maybe even hydrogen with some flame-retardant gas. I cannot argue with this; I don't see why the whole time I've been alive our only airship experience was A Ride In The Goodyear Blimp. As in: there weren't many other blimps.
Anyway, if we could get this tech out of the early 1930s, we might be able to give Venus' clouds a shot.
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