Bearcat Ethyl Motor Fuel 1921 Vintage Men’s T-Shirt

Bearcat Ethyl Motor Fuel 1921 Vintage Men’s T-Shirt

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Description

Description


In early internal combustion engines, “knocking” resulted from the out-of-sequence detonation of the gasoline-air mixture in a cylinder. The constant shock added to exhaust valve wear and frequently damaged engines. After five years of lab work to find an additive to eliminate pre-ignition “knock” problems of gasoline, General Motors researchers Thomas Midgely Jr. and Charles Kettering discovered the anti-knock properties of tetraethyl lead. Their early experiments had examined the properties of knock suppressors such as bromine, iodine and tin – and compare these to new additives such as arsenic, sulfur, silicon and lead. On December 9, 1921, when the two chemists synthesized tetraethyl lead and tried it in their one-cylinder laboratory engine, the knocking abruptly disappeared and fuel economy improved. “Ethyl” vastly improved gasoline performance. Although being diluted to a ratio of one part per thousand, the lead additive yielded gasoline without the loud, power-robbing knock. With GM scientists watching, the first car tank filled with leaded gas took place on February 2, 1923, at the Refiners Oil Company service station in Dayton, Ohio. GM provided Refiners Oil Company and other service stations simple bolt on adapters called “Ethylizers” to meter the proper proportion of the new additive. “By the middle of this summer you will be able to purchase at approximately 30,000 filling stations in various parts of the country, a fluid that will double the efficiency of your automobile, eliminate the troublesome motor knock, and give you 100 percent greater mileage,” Popular Science Monthly reported in 1924. Ethyl blended gasoline was eventually sold under multiple brand names, each of which claimed their blend was the superior product containing additional benefits due to their respective formulations, including Bearcat. 

Details


Like all our designs, this one is treated with our signature ‘relic-ing’ process which includes our own secret recipe of hand-painted chipping, cracking, fading, and just the right touch of yellowing to ensure that it looks the part of a true vintage imprint.** We lay these works of art down on premium Bella+Canvas 3001 Unisex Jersey Short Sleeve Tees, one of the softest, best-wearing t-shirts available today, via state of the art direct to garment (DTG) printing which allows us to create a vintage effect that simply can’t be accomplished with other printing methods. In short, these shirts are everything you’ve dreamed of and more – it feels soft and lightweight with just the right amount of stretch making it comfortable and flattering for both men and women.

  • 100% combed and ring-spun cotton*
  • Fabric weight: 4.2 oz (142 g/m2)
  • 30 single
  • Tear-away label
  • Shoulder-to-shoulder taping
  • Side-seamed
  • Retail fit
  • Runs true to size

Sizing


Not sure what size is your best fit? We recommend taking one of your current t-shirts, laying it flat and measuring it. The measurements in the chart below are taken with the shirt laying on a flat surface. To get the length, measure from the high shoulder point down to the bottom of the shirt. To get the width, measure approximately 1-inch below the armhole, across the chest, from seam to seam. While our tees are all made using premium, pre-shrunk, ring-spun cotton, there can be some shrinkage depending on your personal wash and dry cycles. With that said, if you’re on the fence, we always suggest going up a size.

 SMLXL2XL3XL
Width182022.0124.0225.9928
Length2829.023031.0332.0133
Sleeves8.99.189.459.731010.4
All sizes are provided in inches!


*Heather colors are 52% combed and ring-spun cotton/48% polyester. Athletic and Black Heather is 90% combed and ring-spun cotton/10% polyester. Ash color is 99% Airlume combed and ring-spun cotton and 1% poly. **Due to the nature of the printing process and different sizes of shirts offered, imprint position and scale may vary slightly from the product images, but we do our best to be as accurate as possible.

Additional information

WeightN/A