1920 3 HP Glasgow

Next to none


| February 2009


John A. Burgoyne, Ft. Worth, Texas, likes the fact that his unrestored 1920 3 HP Glasgow engine is one of only three known in the world. But the single-cylinder sleeve valve engine is so interesting that John would be happy to find out that other examples still exist. 

History revisted 
According to the article "The Glasgow Tractor", written by Ian J. Fleming in the February 1995 issue of Gas Engine Magazine, the Glasgow name in agricultural machinery is more commonly associated with a 4-cylinder tractor produced in 1919 by Wallace (Glasgow) Ltd. It was Scotland’s only indigenous tractor, and it is believed that only a few hundred were ever made.

In 1922, the same company began production of single-cylinder stationary engines for farm use. The Glasgow stationary engine featured a single sleeve valve design developed by Scotsman Peter Burt, who simplified an earlier concentric sleeve design developed by American Charles Y. Knight. Both designs were originally used to make early motor car engines much quieter. “In the United States, the best known sleeve valve engine was the Knight, which had two sleeves that moved in a straight line, parallel to the cylinder bore,” says John. “The Knight engine enjoyed considerable success in the 1920s. It was used in the Willy’s/Knight automobile and was also licensed overseas, most notably to the Daimler Car Co. in England and sold as the Knight Daimler. After the 1920s, presumably following the intro of the more practical single sleeve engines, it seems to have faded away.”

The design did manage to have a lasting impact in England. “In England, the single sleeve- valve engine with its unique elliptical sleeve motion became highly developed,” adds John. “The last example was the Bristol Centaurus 18-cylinder radial aircraft engine, unquestionably the most advanced and probably the most powerful piston aero engine made in Europe.”



Built for the farm
The Glasgow farm engines were mainly used for operating milking machines, farm lighting plants and other barn machinery, says John. It isn’t known how many Glasgow engines were produced or sold before the company went bankrupt in 1924, but it is known that the company made a 7 to 9 HP horizontal model and a 3 HP vertical model, one of which is on display at the National Museum of Scotland. That engine, John’s engine, and one recently discovered in Australia make up the three known examples.

John’s Glasgow
“I found it advertised in Stationary Engine [a U.K. gas engine magazine] and recognized the phone number as being from my hometown of Bristol, England,” says John of his Glasgow. “The man had owned it since the 1960s and overhauled it sometime ago.”












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