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Aerothrust Engine Company was a small manufacturer in Chicago, Illinois that made small engines and propellers. They mated these two products together to make a semi-universal propeller propulsion unit. These units were to be used on bicycles, small boats, and ice sleds. What you see here is an Aerothrust unit mounted to a B. Klinedinst […]
C.B. Klinedinst Special Bicycle with Aerothrust Propeller- 1914 Read More »
By the year 2000, carbon fiber had emerged as the leading material for high end-bikes. Early models such as this one used lugs and glued-tube construction. Later models were “monocoque” or 1 piece construction. Carbon fiber was laid down in molds and shaped by inflated bladders within the molds. By carefully shaping the finished product,
Trek Carbon-Fiber Road Bike Frame- 2000s Read More »
By the 1980s, advantages in manufacturing allowed the extensive use of TIG welding (Tungsten Inert Gas).No lugs were required, and frames became lighter. More importantly, the method allowed greater automation and reduced manufacturing costs, at the expense of less craftsmanship and individuality. Specifications: Designer/builder: Trek Country of Origin: Waterloo, Wisconsin, USA Weight: 2721.55g/
Trek TIG-Welded Steel Mountain Bike Frame-1980s Read More »
The New Mail welded steel frame design dates back to 1891. Notice how the basic diamond frame and proportions have remained relatively unchanged in the past 120 years. This replica was produced for Euro Disney, Paris. Specifications: Designer/builder: William Read & Son Country of Origin: Boston, Massachusetts, USA Weight: 4082.33g/ 9lbs.
New Mail Safety Bike (replica)-1891 Read More »
Kestrel, a company formed by a group of ex-Trek Bicycle Corp. employees, set out in 1986 to revolutionize performance bicycles. When the Kestrel 4000 was introduced, it was the first commercially available bicycle frame completely made of aerodynamic carbon fiber tubing. Although carbon fiber, a super-lightweight, and strong material, had been utilized in smaller bicycle
First proposed in 1987 by Norwich based bicycle designer Mike Burrows, the original design of this bicycle was rejected by many British bicycle manufacturing companies as the monocoque frame was deemed illegal by the UCI for use in competitive cycling events. When the ban was lifted in 1990, Lotus Engineering agreed to further develop and
Lotus Type 110TT- 1992 Read More »
The Cat Cheetah was created by Rudi Kurth, a Swiss engineering prodigy. Rudi trained initially on the construction of lightweight panels for race cars and also built and raced motorcycle sidecars. In 1995 Rudi built the first Cat Cheetahs for himself and a friend primarily for triathlon, duathlon and time trials. The bike was innovative,
Recumbents, or bicycles that are ridden from a reclining position, have maintained a small but steady market since the 1930s. They are especially appreciated by those with back and neck problems. Although slow uphill, they can be quite fast downhill or on level ground. BikeE began producing recumbents in 1993 and grew to become the
Greenstar Bikes began researching bamboo as a frame- building material in 2010. Several prototypes were evaluated, first using carbon fiber lugs, then cast aluminum lugs, before arriving at the current model. The final design uses aluminum chain stays and welded aluminum lugs, with bamboo top tubes, down tubes, seat tubes, and seatstay tubes. Greenstar’s proprietary
Greenstar Bikes EcoCross-2015 Read More »