Gravity Mill - any comments to this idea?

[prajna]

phew!

how may i serve you?

well actually, how about converting it to imperial for me.  You don't need all the blurb, just 1' x 1' x 3' shuttle, 32.808399' pumping cylinder etc.  i.e. just choose some sensible sizes in imperial units that work. Then I could add it all to the page and others who are not blessed with a familiarity with metric would have an intuitive approach to understanding it.

I am about to completely rewrite ELSACALC based on a double-acting pump with leverage.  And sure, having worked out the intro page I have seen that your suggestion re choosing just the shuttle size and pumping depth is sensible.  They are certainly the first things that one would need to consider.

Thanks for the accolades.  I kinda feel that if Mr Herring had presented such a page to the patent office (even the US one) they could hardly have failed to grant him a patent, regardless of their position on perpetual motion.

[tbird]

well actually, how about converting it to imperial for me.

you mean any place i find a metric number, convert it (adjust size as logical) to imp and label it?  be happy to.

I am about to completely rewrite ELSACALC based on a double-acting pump with leverage.  And sure, having worked out the intro page I have seen that your suggestion re choosing just the shuttle size and pumping depth is sensible.  They are certainly the first things that one would need to consider.

if it's anywhere near what you have alredy set up, it'll be wonderful.

I kinda feel that if Mr Herring had presented such a page to the patent office (even the US one) they could hardly have failed to grant him a patent, regardless of their position on perpetual motion.

i think when he gets back to his internet and reads your essay, his heart will be lifted.

i better get busy, unless you want to chat about something.

tbird

[prajna]

think when he gets back to his internet and reads your essay, his heart will be lifted.

Nothing I like better than lifting hearts.

i better get busy, unless you want to chat about something.

Please do. Me too.

[hartiberlin]

Hi Pranja,
wouldn?t your new 10 x 10 cm shuttle not pump 98 Liters when it goes down ?
Why do you say 90 Liters ?
When you set it into the water in compressed state it has 1 Liter volume and
if it goes down and decompresses, it has 1,5 Liter displacement,
so it would lift down 99 Liters and lift up 98,5 or 95,5, dending on how deep you let it go.
(if you use the upper surface or the lower surface of the shuttle to count the deepth)

Also you assume, that you can press with just 0,05 Kg of weight water through a small
pipe to 40 cm over the sealevel , when the shuttle goes down ?
This is not very realistic.


Also it depends if the hydrostatic paradoxon can really be neglected in this
experiment.
If your shuttle is only 30 cm high at the top, I think it can only press the
water 30 cm high in the header tube and when it is at 10 Meters, it can only
press the water 15 cm high inside the header tube due to the
hydrostatic paradoxon.?

So let?s see, what TBird will report with his setup.
Maybe TBird you can already post a picture of your setup,
not yet in water,how it looks like, if you still need to wait until the glue dries ?
Many thanks.

[prajna]

ouldnÃ,´t your new 10 x 10 cm shuttle not pump 98 Liters when it goes down ?

Think about it for a bit longer, Stefan.  1. If the shuttle is in the tube then it occupies at least 1 litre of the space in the tube.  2. The shuttle is always in the tube. 3. When the shuttle reaches the bottom of the tube it is still compressed and only occupies 1 litre.  4. When the shuttle decompresses there are exactly 99 litres above it.

Ahh, you have pointed out one error I have made though; it does pump 99 litres in each direction and not 90 (my brain was a bit slow.) I'll correct the page.

With all due respect, Stefan, the hydrostatic paradox is just confusing you.  Just let it go because it is not important in understanding this system and has already been taken into account.  It tells us that the water level is equal across containers that are connected.  You really do not need to be concerned that any aspect of it will change the calculations I have included in this example.  The height of the shuttle has absolutely no bearing on the height to which it will lift water in this system.  The ONLY things that matter in this respect are the displacement, the weight and the cross sectional area of the header tube.  Sorry, but that is it.