Louis Mékarski

Louis Mékarski (in Polish Ludwik Mękarski) (1843, Clermont-Ferrand,[1] France – 1923) was a French engineer and inventor of Polish origin. In the 1870s he invented the so-called Mekarski system of compressed-air powered trams which was used in several cities of France and USA as alternative to horse-powered and steam-powered trams.

Mékarski tram in Paris in 1900

Patents

Louis Mékarski (with Paul Lucas-Girardville, an early aviator)[2] patented a similar system for automobiles in 1903.[3] Waste heat from an internal combustion engine generated steam, which was mixed with compressed air from an air compressor driven by the ic engine. The air/steam mixture then drove a separate piston engine which propelled the vehicle. This system pre-dated the better-known Still engine.

Mékarski also obtained a patent for spring wheels for vehicles.[4]

Commemoration

In Nantes there is a street Rue Louis Mékarski.

gollark: Some of them are, but regardless, a lot of the time they are used on *news websites* and *personal sites* and such, which could literally just be a folder of static HTML and images with maybe some progressive enhancement JS.
gollark: Because they're used in places where HTML is *actually fine*.
gollark: "why yes, of course I'm going to use 100KB of JavaScript to reimplement native browser features but worse"
gollark: "hmm yes I will include this 1MB stock image for my 10KB of text making up this article"
gollark: To be fair, the modern web is awful.

References
  1. Archives Nantes - Le Tramway Nantais, page 19 (fr)
  2. http://corescholar.libraries.wright.edu/special_ms1_photographs/2075/
  3. http://worldwide.espacenet.com/publicationDetails/originalDocument?CC=GB&NR=190227370A&KC=A&FT=D&ND=3&date=19031211&DB=&locale=en_EP
  4. http://worldwide.espacenet.com/publicationDetails/originalDocument?CC=GB&NR=190702860A&KC=A&FT=D&ND=3&date=19070718&DB=EPODOC&locale=en_EP


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