BL R-series engine fitted to the Maestro with the carburettor facing the front of the car, which also led to a reputation for carburettor icing in cold weather. The endemic problem of crankshaft failure was later attributed to flexing of the crankcase – because the E series relied upon the heavy sump/transmission unit to give additional strength to the cylinder block casting, this caused problems when a plain sump was bolted in its place. The R series was superseded in 1984 by the S series. BL R-series engine The R series is a line of petrol engines introduced by British Leyland in 1983
Ordnance BL 15-pounder Ordnance BL 15-pounder The Ordnance BL 15-pounder, otherwise known as the 15-pounder 7 cwt, was the British Army's field gun in the Second Boer War and some remained in limited use in minor theatres of World War I. It fired a shell of 3-inch diameter with a maximum weight of , hence its name which differentiated it from its predecessor '12-pounder' 3-inch gun which fired shells weighing only . The gun was a modified version of the previous BL 12-pounder 7 cwt gun of 1883. When the modern smokeless propellant cordite replaced gunpowder in 1892 it was decided that the