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Author Topic: Cadman’s Hydrostatic Displacement Engine  (Read 8645 times)

Offline Floor

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Re: Cadman’s Hydrostatic Displacement Engine
« Reply #60 on: July 01, 2019, 06:34:10 PM »
@Cadman

Here are some proofs of your principle.
Please find the attached PDF file "Cadman from floor.PDF" below.

Free Energy | searching for free energy and discussing free energy


Offline Cadman

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Re: Cadman’s Hydrostatic Displacement Engine
« Reply #61 on: July 02, 2019, 05:58:24 AM »
Floor,

Thank you for sharing your proofs. That took quite a bit of effort to produce.

Sincerely
Cadman

Offline Floor

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Re: Cadman’s Hydrostatic Displacement Engine
« Reply #62 on: July 02, 2019, 03:47:05 PM »
Cadman

Your very welcome.  Thank you for your design !

I buggered up a couple of the drawings in that "Cadman from floor 3" PDF
sorry ! too much rushing around lately.

Here is the fixed version ""Cadman from floor 3b" PDF

   regards
   floor


Free Energy | searching for free energy and discussing free energy

Re: Cadman’s Hydrostatic Displacement Engine
« Reply #62 on: July 02, 2019, 03:47:05 PM »
Sponsored links:




Offline Cadman

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Re: Cadman’s Hydrostatic Displacement Engine
« Reply #63 on: July 02, 2019, 05:27:26 PM »
Nicely done Floor.

This illustrates the difference between the two conditions existing in the up-stroke vs. the down-stroke.
Something that I have failed to convey properly in all of my posts.
Now all that remains is to demonstrate it with the working prototype. Making progress there too.

Thank you!

Respectfully,
Cadman

Offline SolarLab

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Re: Cadman’s Hydrostatic Displacement Engine
« Reply #64 on: July 02, 2019, 07:48:39 PM »
F.Y.I.

Cadman,
These might be similar to your concept development and may possibly contain some valuable design and construction insight.


(Hydraulic) RAM PUMPS [a.k.a. Hydram]


Design and Construction of a Hydraulic Ram Pump
 (including a bit of history and analysis)
Shuaibu Ndache MOHAMMED
Department of Mechanical Engineering,
Federal University of Technology, Minna, Nigeria

http://lejpt.academicdirect.org/A11/get_htm.php?htm=059_070
AbstractThe Design and Fabrication of a Hydraulic Ram Pump (Hydram) is undertaken. It is meant to lift water from
a depth of 2m below the surface with no other external energy source required. Based on the design the
volume flow rate in the derived pipe was 4.5238 × 10-5 m3/s (2.7 l/min), Power was 1.273 kW which results
in an efficiency of 57.3%. The overall cost of fabrication of this hydram shows that the pump is relatively
cheaper than the existing pumps.

Keywords Hydram; Pump; Volume Flow Rate; Power; Efficiency; Impulse Valve; Delivery Valve.

Home Built Hydraulic Ram Pumps

http://www.inthefieldministries.org/jscalhou/Home%20Built%20Hydraulic%20Ram%20Pumps.pdf
"Complete detailed and illustrated instructions from locally available pumping parts - 1" Hydraulic RAM"
How to build a RAM PUMPFrench River Springs
Published on Jul 7, 2018

https://www.youtube.com/watch?v=enBEMgDR3-A
How to Make a Large Size Free Energy Water Pump - Ram Pump
Tradisional Channel
Published on Dec 28, 2018

https://www.youtube.com/watch?v=Esln877z4IE
Hydraulic RAM Pumps - Amazon (examples, descriptions, prices)
Small - $125US - - - Large - $185US

https://www.amazon.com/Hydraulic-Ram-Pump-1-Medium/dp/B072J2Q7L6 
Great work and very interesting, thanks!
FIN


Free Energy | searching for free energy and discussing free energy

Re: Cadman’s Hydrostatic Displacement Engine
« Reply #64 on: July 02, 2019, 07:48:39 PM »
Sponsored links:




Offline Floor

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Re: Cadman’s Hydrostatic Displacement Engine
« Reply #65 on: July 04, 2019, 04:21:22 PM »
Thanks

The pleasure is mine. I've gotten pretty fast at kicking out drawings and generally
enjoy doing them. Thanks again for your inspired design.

      best wishes

Offline Floor

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Re: Cadman’s Hydrostatic Displacement Engine
« Reply #66 on: July 04, 2019, 04:53:30 PM »
Dam Wrong / bad drawing (above).

Here it is (below).

Free Energy | searching for free energy and discussing free energy

Re: Cadman’s Hydrostatic Displacement Engine
« Reply #66 on: July 04, 2019, 04:53:30 PM »
Sponsored links:




Offline Grumage

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Re: Cadman’s Hydrostatic Displacement Engine
« Reply #67 on: July 05, 2019, 11:53:33 AM »
Hello All.

Since Cadman's original presentation I've been thinking a lot about it. May I offer " Concept 2 " for consideration?

Cycle description and drawing are shown from the " at rest " position.


Let's assume a working head of 2 meters. To the top of the cistern. The concertina is made to have an internal surface area of
6 square inches ( Cadman's piston ) this should provide a force of approximately 75 Lbs. The displacement cylinder is made to be directly connected to the top of the concertina but of a diameter that can just accommodate the volume of water from it. This should be around 6.1 Lbs in weight but because of the small diameter only create a couple of pounds pressure on the transfer valve. The displacement cylinder is allowed to move up and down through a central seal within the cistern. My single drawing shows the device at the start of the cycle. As water is admitted to the underside of the concertina the whole assembly will rise 150 mm
through the cistern. The displacer piston is rigidly fixed to a framework that carries the whole assembly. The top of the displacer piston has a simple " Leather cup washer " that will allow the water to pass it on the upstroke but then be retained on its return. On the return stroke the fluid now above the seal will naturally spill over the edge of the displacement cylinder back into the cistern.

My idea has just 2 areas of friction, one the sliding seal between displacement cylinder wall and cistern floor and the other is the flap valve ( cup washer ) mounted to the displacement piston top.

Cheers Graham.

Edit.

Drawing to follow pending resize. It seems I cannot resize the picture using my iPad so I'll post it anyway and re edit the page later today. My apologies for the inconvenience.
« Last Edit: July 05, 2019, 02:28:45 PM by Grumage »

Offline Grumage

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Re: Cadman’s Hydrostatic Displacement Engine
« Reply #68 on: July 05, 2019, 12:51:27 PM »
To clarify.

I have not shown the admission valve which will open and close at each end of the stroke.

The " bias weight " will obviously affect the " net " energy available but is needed to reset the system for the next upstroke. Its weight will have to be determined by experiment.

Once the water has passed by the upper cup washer on the displacement piston its mass is now supported by the framework and no longer seen by events below.

The displacement piston is made from a " high density " material, preferably Stainless Steel for longevity.

Cheers Graham.

Free Energy | searching for free energy and discussing free energy

Re: Cadman’s Hydrostatic Displacement Engine
« Reply #68 on: July 05, 2019, 12:51:27 PM »
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Offline a.king21

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Re: Cadman’s Hydrostatic Displacement Engine
« Reply #69 on: July 05, 2019, 06:25:34 PM »
I did an experiment similar to this years ago.  I later had the idea that oil rises to the top in water, and it worked.  I did not complete the experiment  - however if you incorporate oil rising you may get a buoyancy advantage.  ie oil inside a ping pong ball should rise and can push a piston against gravity.  Then you have the problem of the return of course.

Offline lumen

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Re: Cadman’s Hydrostatic Displacement Engine
« Reply #70 on: July 05, 2019, 07:59:10 PM »
OR...
Maybe instead of the circular bias weight, you could just use a light weight displacer and a leaver from the large cylinder to push it down and displace water, then as more water is let in, you can use the displacer as a float to push the cylinder back down as it floats up.

Free Energy | searching for free energy and discussing free energy

Re: Cadman’s Hydrostatic Displacement Engine
« Reply #70 on: July 05, 2019, 07:59:10 PM »
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Offline Floor

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Re: Cadman’s Hydrostatic Displacement Engine
« Reply #71 on: July 06, 2019, 04:50:07 AM »
@SolarLab

F.Y.I.

Cadman,
These might be similar to your concept development and may possibly contain some valuable design and construction insight.

(Hydraulic) RAM PUMPS [a.k.a. Hydram]

  and so on.....

Its not a ram pump. Ram pumps are very cool, but also ram pumps have been around
for a long time.

Cadmann's design is very much dissimilar, because...
 ram pumps require an uphill sourceof water (usually a stream).  They allow one to divert
and lift A SMALL PERCENTAGE of that down flowing water to a point which is higher than
the original water source, but this is only BECAUSE MOST OF THE WATER FROM SOURCE
POINT CONTINUES TO FLOW DOWN HILL (BELOW THE RAM PUMP). 

Cadman's design functions based upon an entirely different approach / principle.

   floor

Offline Cadman

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Re: Cadman’s Hydrostatic Displacement Engine
« Reply #72 on: July 06, 2019, 06:49:53 AM »
Graham,

Are the concertina and displacement piston both 6" diameter and the displaced volume equal to the concertina volume?

Cheers
Cadman

Offline Grumage

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Re: Cadman’s Hydrostatic Displacement Engine
« Reply #73 on: July 06, 2019, 12:46:49 PM »
Hi Cadman.

The displacement cylinder is directly connected to the top of the concertina with the addition of a non return valve at its base. Its diameter is much smaller perhaps 3/4" ( 20mm ) at most. As your device is based around Pascal's law where the pressure increases by virtue of surface area obviously a small diameter tube will see around 2 PSI at most. This means that the force available from the large surface area of the concertina should have little problem moving the volume of water ( 6.1 Lbs ) from the concertina ( power cylinder ) into the displacement cylinder.

I chose the concertina over a piston and cylinder for several reasons. The major one being to reduce friction between piston seal and cylinder wall.

An effective concertina could be crafted from a Rubber inner tube, Quad bike/Garden tractor size. If sliced horizontally on its inner diameter the opening could be clamped down to the base, bottom/floor of the device. The upper edge might prove a little more difficult to achieve requiring two discs that clamp the Rubber together and also carry the 2 metre long vertical displacer cylinder.

Concept 2 is what it is, purely conceptual. I've thrown it out here for evaluation, nothing more.

Cheers Graham.

Offline Grumage

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Re: Cadman’s Hydrostatic Displacement Engine
« Reply #74 on: July 06, 2019, 01:28:15 PM »
Addendum.

I forgot to mention that the fixed displacement piston is of high density ( Steel ) that has a diameter of 1/2" ( 12mm ) and is solid. The water flows around the 1/8" 3mm gap via displacement. A simple Leather cup washer ( bicycle pump style ) is fitted at the top so that on the upstroke the water can pass by it easily but is then held in suspension and just flows over the edge of the cylinder wall on the return stroke. Refilling the cistern.

Cheers Graham.

 

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