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Hagerty
Hagerty Employee

Stock Stories: Ariel Square Four

With custom-bike culture exploding in recent years, the history and importance of early two-wheeled machines is often overlooked. Stock Stories tells the tales of these motorcycles. Edward Turner is well known to the classic motorcycle fraternity as an ace motorcycle designer, primarily for his work during the golden age of Triumph.
https://www.hagerty.com/media/motorcycles/stock-stories-ariel-square-four/
3 REPLIES 3
GoFast
Detailer

Squires is a better illustrator than writer. no such animal as a 'vertically oriented camshaft.' Square Four cranks were connected by gears in parallel, never 'nose to tail.' We don't have aluminium here.
hearsedriver
Intermediate Driver

i believe it was Turner who also did a redesign of the Triumph. that rigid frame Triumph is true art, this coming from a Harley nut
Oldroad1
Technician

In the first square 4 drawing there are the 2 opposing flywheel gears meshing in the same direction. Impossible.