Background of the water injection

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History water injection tests in engines (diesel) by the pioneers of motorisation

Keywords: engine, water injection performance, Rudolf Diesel, Pierre Clerget, Paul Sabatier, Ivan Makhonine


.pdf document found on the excellent website HydroRetro and having the water injection works on high compression engines by the inventors of the first diesel engines, inventors we can only admire.


It is undoubtedly the rise in the price of fuels, a constant throughout the twentieth century, that gave birth to the rumor of the famous "water engine", an invention supposedly kept secret by the petrochemical industry for not not kill the gas engine and its lucrative fuel, gasoline or premium gasoline. This sea serpent circulates since the 1920 years, maintained regularly by the press and now by television (and Internet) whose emissions are of a scientific and technical level more and more appalling ...

Following in .pdf


Click here to download the .pdf (pages 17, 3,5 MB)

Some notes and analysis

Here are the remarks Christophe Martz could make about this document and following his own experiences:

    • 3 page) on the top right, it is called to 30 35% savings with injection water.

      Results found by the fixtures water doping.


    • 3 page) bottom right: the document speaks of OPEC

      But OPEC did not exist at the beginning of the XXI Century. It was created in 1960 and 1973 became important after ... So this is a historic mistake.


    • 5 page) bottom left, yield 20% of 1er petrol engine.

      It was much less 20% because that's what we had in 80-90 years and now ... I would say between 10 and 15% at the time.

      But in general I think the CS are VERY low in these tables (they are the same as diesel engines before high pressure injections).

      Especially since the time the fuel was not of the same quality as current.


    • 6 page) top left: gasifier which decomposes water ...

      By reaction with the hot carbon


    • 8 page) left middle: tax on alcohol that is drunk ethanol =

      The author then speaks of benzol ... nonsense.


    • 9 page) bottom left: 250 g / bhp-h blank slate ...

      What is the calorific value of the blank slate? In order to compare with the current specific consumption


    • 11 page) legend left image. I quote: "GO with power 14 0.23 CVs and performance. GO with water, power and performance hp 23 0.60 from 225 or CS GO and 22 grams (what? water?) per bhp-h "

      Inconsistent figures because 225 grams do not give a yield of 60% or so of the PCI GO at the time was much lower (divided by approximately 2 unlikely).

      The yield cs conversion is simple enough knowing that a liter of GO = 9.8 kwh / l, which 225 g / bhp-h give a yield of 0.28. It is far from 60% ...


    • 12 page) top left water = improving flexibility so relaxing, less jarring

      Facts found on all current doping edit without exception.


    • 12 page) top doite, metal water decomposition red hot

      See metal fire and Lavoisier experience.


    • 12 page) bottom right, 3x diesel power by oxygen from water to equal conso!

      Figure very credible ... because too important (it would reach a close to 100% yield)


    • 14 page) top left, "hydrogenation of hydrocarbon due to the presence of water cracked by copper tubing and nickel-250 300 ° C"

      very interesting point because copper (pipes) and nickel (stainless steel) are present in the assemblies in doping.

A site of excellence: HydroRetro

To download more documentation on the history of internal combustion engines, especially aircraft engines, click here


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