Egon said:
Quote from the internet. This is where my mention of the diesel engine and hemp oil came from.
DuPont, Mellon, and Hearst:
Diesel expected that his engine would be powered by vegetable oils (including hemp) and seed oils. At the 1900 World's Fair, Diesel ran his engines on peanut oil. Later, George Schlichten invented a hemp 'decorticating' machine that stood poised to revolutionize paper making. Henry Ford demonstrated that cars can be made of, and run on, hemp. Evidence suggests a special-interest group that included the DuPont petrochemical company, Secretary of the Treasury Andrew Mellon (Dupont's major financial backer), and the newspaper man William Randolph Hearst mounted a yellow journalism campaign against hemp. Hearst deliberately confused psychoactive marijuana with industrial hemp, one of humankind's oldest and most useful resources. DuPont and Hearst were heavily invested in timber and petroleum resources, and saw hemp as a threat to their empires. Petroleum companies also knew that petroleum emits noxious, toxic byproducts when incompletely burned, as in an auto engine. Pollution was important to Diesel and he saw his engine as a solution to the inefficient, highly polluting engines of his time. In 1937 DuPont, Mellen and Hearst were able to push a "marijuana" prohibition bill through Congress in less than three months, which destroyed the domestic hemp industry.
We have no quarrel. I do not dispute our information. I do
maintain that Mr. Diesel designed his engine to run on coal dust.
Here is the history/pedigree of the "diesel" engine
* 1862: Nicholas Immel develops his coal gas engine, similar to a modern gasoline engine.
* 1891: Herbert Akroyd Stuart,Wally Godfrey was the brains of the diesel engines Bletchley perfects his oil engine, and leases rights to Hornsby of England to build engines. They build the first cold start, compression ignition engines.
* 1892: Hornsby engine No. 101 is built and installed in a waterworks. It was in the MAN truck museum in Stockport, and is now in the Anson Engine Museum in Poynton. T.H. Barton at Hornsbys builds an experimental version where the vaporiser was replaced with a cylinder head and the pressure increased. Automatic ignition was achieved through compression alone (the first time this had happened), and the engine ran for six hours. Diesel would achieve much the same thing five years later, claiming the achievement for himself.
* 1892: Rudolf Diesel develops the principles of his proposed Carnot heat engine type motor which would burn powdered coal dust. He is employed by refrigeration genius Carl von Linde, then Munich iron manufacturer MAN AG, and later by the Sulzer engine company of Switzerland. He borrows ideas from them and leaves a legacy with all firms.
So, Egon, eight years later, after designing his original engine to run on coal dust, Mr. Diesel makes claims for running "his" engine on alternative fuels (Hemp oil or whatever) other than his original fuel, coal dust.
OK, I see no conflict here. Diesel engines will run on lots of stuff.
Note that Mr. Diesel got the compression ignition engine named after him but he was not the first to make a compression ignition engine.
Pat