Cadman’s Hydrostatic Displacement Engine

[lumen]

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.

[Floor]

@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

[Cadman]

Graham,

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

Cheers
Cadman

[Grumage]

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.

[Grumage]

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.