Ken Fabian's latest activity

It the fundamental nature of the grandly optimist goals and the appallingly bad economics needed for achieving them that leaves me...

My thoughts and reasoning on this go a long way back. Just the expression of them is subject to change.

A correction to the comment. Thinking I'd have no time for on-line. I'm loaded with steroids right now for medical reasons, they are...

@DaveC426913 - a belated follow up to my previous post. "The Moon Goddess and the Son" - Donald Kingsbury, impressed with the launch...

But this seems to occur because there is some looseness to take up before the drive chain fully engages. Start with none of that...

Momentum is frame dependent; the velocity is relative to a reference velocity. Your "rest" is not a particularly special situation (to a...

I think @Lnewqban has it right; the water at the base gets replaced rapidly and mixed with adjacent cooler water whilst the warmer water...

Without the energy transferred from the hot source into the cold liquid, there would not be the localized change of density; therefore...

@Baluncore - If I am wrong in this it is wrong with conviction. I don't think I am wrong in this. There is a rebound of water hammer...

Diagram, with terminology - which other diagrams may name differently. @Baluncore - I disagree - the amount may be small but there will...

It is interesting thinking it through - not so much reading of references in this case; it is good for my brain, whilst noting that what...

I wouldn't be too sure. Maybe you were on the right track to start with... OR... maybe a moment of low enough positive pressure that...

Nothing like being wrong with confidence.

Okay, I stand corrected. Had been thinking about it and realised that, yes, there needs to be a moment of negative pressure for the...

@Baluncore - My experience was with a variant type, so details vary. My non-return valve had a spring and had other differences but...