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Oct 14, 2020 · But Gary was most interested in the 1959 Ariel Square Four that, to his delight, had a Watsonian sidecar attached. While not to everyone’s liking, Gary has owned and maintained several motorcycles with sidecars, and says he owned his first combination when he was around 14.
- Introduction
- Edward Turner and The Birth of The Ariel Square Four
- The Ariel Square Four 4F, 4G and 4H
- The Ariel Square Four Mark I
- The Ariel Square Four Mark II
- The Healey 1000/4
- Conclusion
The Ariel Square Four is one of the most famous names among Britain’s original “big” bikes, standing side-by-side with the likes of Brough Superior and Vincent HRD. The Square Four is a motorcycle that was born of a surprisingly simple idea, a motorcycle not made for racing or raw performance, although it was capable of that, but a motorcycle made ...
Engineer Edward Turner was a man who had a great influence on Britain’s motorcycle and car making industry. He first rode a motorcycle at the age of fourteen and when we look at the career path he would later follow he must have been bitten hard by the motorcycle bug because it became his life’s work. In 1925, ten years after that fateful ride on a...
Turner’s square four design was very compact, so much so that it was able to be fitted into an existing Ariel 250cc Colt frame designed for a single cylinder engine. In his original design the Square Four engine was made in unit with a three speed gearbox which was driven from the rearmost crankshaft, keeping the whole assembly very compact. This e...
The Ariel Square Four Mark I made its debut in 1949 and, at long last, saw the cast iron cylinder barrels and head changed over to aluminum alloy. The change to aluminum alloy shed 30lb from the weight of the bike but, even more importantly, brought much improved cooling because of the aluminum’s far better heat dissipating characteristics. The ele...
Even with the change to aluminum for the barrels and head there were still concerns regarding the Square Four’s heat dissipating characteristics. This is an issue for air cooled engines and Harley-Davidson had to face a similar set of problems with their V-twin engines. A square four engine however requires a more strategic approach to cooling for ...
Two brothers, George and Tim Healey, were Ariel Square Four aficionados who decided to try to put a new version of the bike into limited production. Not having the ability to manufacture the parts for the bikes themselves George and Tim set about buying all the Ariel Square Four parts they could so they could build a few special bikes. The Healeybr...
The Ariel Square Four has been affectionately nicknamed the “Squariel” and it was a classic among classics. It produced a smooth and beautiful exhaust note, not at all like the thump of a V-twin or a parallel twin. It was a motorcycle for all day cruising and it was perfectly adapted for sidecar use. Its designer, Edward Turner would go on to creat...
Sep 13, 2019 · May 25 - 26, 2024. BTCC – Snetterton. May 26. All day. The 108th Running of the Indianapolis 500. Current BaT Auctions. Learn more about Square Four w/ Double Adult: 1954 Ariel “Squariel” & Tandem Sidecar on Bring a Trailer, the home of the best vintage and classic cars online.
Jan 28, 2016 · This layout meant lots of low-end power and lots of torque, an excellent choice for pulling a large sidecar. A well-sprung solo saddle kept the rider happy, and the ride was, in a word,...
- Clement Salvadori
Jun 6, 2023 · This 1937 Ariel VG Deluxe and family-sized Dusting sidecar pairing were the perfect solution for families in a time when cars were a luxury. Engine: 499cc air-cooled, OHV single, two valves, 81.8mm x 95mm bore and stroke, 6:1 compression ratio, 24hp @ 6,000rpm. Carburetion: Single remote-float Amal Standard.
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In 1932, the cylinder bores were enlarged by 5 mm to give a capacity of 601 cc, specifically to accommodate owners who wanted a sidecar. This model was used for the Maudes Trophy test, covering 700 miles (1,127 km) in 700 minutes, followed by a timed lap of 87.4 mph (140.7 km/h).
The last motorcycle-type vehicle to carry the Ariel name was a short-lived three-wheel tilting moped in 1970. Ariel made bicycles before making motorcycles, and also made cars. Car production began in 1902, moved to Coventry in 1911 and ceased in 1925. The 'Ariel' name was reused in 1999 for the formation of Ariel Ltd, a sports car producer.
