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 The R series was superseded in 1984 by the S series.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
BL 2.75-inch mountain gun Salonika front during World War I. Due to its specialised nature the gun was produced in only limited numbers, with just 183 manufactured during the war. It was superseded at the end of World War I by the QF 3.7-inch mountain howitzer. A 2.75-inch mountain gun is on display at the Heugh Battery Museum, Hartlepool BL 2.75-inch mountain gun The Ordnance BL 2.75-inch mountain gun was a screw gun designed for and used by the Indian Mountain Artillery into World War I. The gun was an improved version of the 1901 BL 10-pounder mountain gun. The new 1911 version improved