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Cooley Hurd

(26,877 posts)
Fri Aug 5, 2016, 07:47 PM Aug 2016

128 years ago today: Bertha Benz makes the first road trip

https://en.wikipedia.org/wiki/Bertha_Benz



Bertha Benz (née Ringer, 3 May 1849 – 5 May 1944) was a German automotive pioneer. She was the wife and business partner of automobile inventor Karl Benz. In 1888, she was the first person to drive an automobile over a long distance.[1] In doing so, she brought the Benz Patent-Motorwagen worldwide attention and got the company its first sales.

In August 1888, without telling her husband and without permission of the authorities, Benz drove with her sons Richard and Eugen, thirteen and fifteen years old, in the newly constructed Patent Motorwagen automobile—from Mannheim to Pforzheim—becoming the first person to drive an automobile over a real distance. Motorized drives before this historic trip were merely very short trial drives, returning to the point of origin, made with mechanical assistants. Following wagon tracks, this pioneering tour had a one-way distance of about 106 km (66 mi).

Although the ostensible purpose of the trip was to visit her mother, Bertha Benz had other motives: to prove to her husband—who had failed to consider marketing his invention adequately—that the automobile they both heavily invested in would become a financial success once it was shown to be useful to the general public; and to give her husband the confidence that his constructions had a future.

She left Mannheim around dawn, solving numerous problems along the way.[8] Bertha demonstrated her significant technical capabilities on this journey.[9] With no fuel tank and only a 4.5-litre supply of petrol in the carburetor, she had to find ligroin, the petroleum solvent needed for the car to run. It was only available at apothecary shops, so she stopped in Wiesloch at the city pharmacy to purchase the fuel.[10] At the time petrol and other fuels could only be bought from chemists and so this is how the chemist in Wiesloch became the first fuel station in the world.

She even cleaned a blocked fuel line with her hat pin and used her garter as isolation material.[9] A blacksmith had to help mend a chain at one point. When the wooden brakes began to fail Benz visited a cobbler to install leather, making the world's first pair of brake pads.[2] The thermosiphon system was employed to cool the engine, making water supply a big worry along the trip. The trio added water to their supply every time they stopped.[10] The car's two gears were not enough to surmount uphill inclines and Eugen and Richard often had to push the vehicle.[10] Benz reached Pforzheim somewhat after dusk, notifying her husband of her successful journey by telegram. She drove back to Mannheim several days later.

Along the way, several people were frightened by the automobile. Some even thought that two young boys and a woman on a hissing, thumping horseless carriage could only be the work of the Devil himself.[11] The novel trip received a great deal of publicity, as she had sought. The drive was a key event in the technical development of the automobile. The pioneering couple introduced several improvements after Bertha's experiences. She reported everything that had happened along the way and made important suggestions, such as the introduction of an additional gear for climbing hills and brake linings to improve brake-power. Her trip proved to the burgeoning automotive industry that test drives were essential to their business.

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