Engine Punk

Just a glance at this drawing had me intrigued My web host Eric Cowan lent me a textbook entitled The Motor Vehicle by Newton and Steeds over Christmas. And there among its pages was a cut away diagram of a supercharged two-stroke four cylinder Trojan engine. This raises more questions. I've looked at the engine of a typical Trojan and this is nothing like what lurks beneath their floorboards. They're mid-engined and the cylinders lie down flat. There's no date of production but the book is the 1953 edition, originally published in 1929. There are two split cylinders and within these are two pistons and two conrods that share a common combustion chamber, which was a feature of other, more normal Trojans where more normal Trojans is an entirely relative term. With a bore and stroke of 65.5 mm by 88 mm, the capacity of the power cylinders is a nominal 1186cc, since the offset cylinder axes vary the strokes slightly. The two compressor cylinders measure 92.6 mm aga...