1950 Ariel Square Four

Photo taken about 1953.

1950 ariel square four.

In its original form it displaced 500cc and had four cylinders arranged in a square. Its achilles heel was overheating which was never really solved until suzuki applied liquid cooling to the same idea in the 1976 rg 500 grand prix bike and that was a much simpler two stroke. It was unusual in that it had two crankshafts one behind the other each with two cylinders. The square four is a motorcycle produced by ariel between 1931 and 1959 designed by edward turner who devised the square four engine in 1928 at this time he was looking for work showing drawings of his engine design to motorcycle manufacturers.

This is my friend danny davidson sitting on his 1950 ariel square four. 1950 ariel square four background the original ariel square four was created by legendary engine designer edward turner in 1930. Sv812 in 1928 engineer edward turner was shopping a new motorcycle design to english manufacturers. 1950 ariel square four the ariel square four is one of the most ingenious engines ever to power a motorcycle with literally four vertical cylinders in little more than the space for two.

They were big in the us after ww2 danny was riding an ariel square four. Ariel square 4 1950 absolutely exclusive on this the ceremonial occasion of the king s birthday may we at ariel add our small but wholehearted greeting to world and empire good wishes with the traditional toast. Same owner for over 30 years 1952 ariel square four engine number. When everyone else in charleston was riding primarily harleys and of course bsa and triumph.

All riding video shot with the gopro hero 3. See prices photos and find dealers near you. 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. Larry horn of huntington beach california shows us his 1957 ariel square four mkii which he restored himself.

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 for comfortable long range cruising with. 1950 ariel 4g mk 1 square four values and more. Motorcycles on autotrader has listings for new and used 1950 ariel square four motorcycles for sale near you.