Combating Diesel Knock

T HE objectionable noise of a diesel engine for " diesel knock') is produced by the abrupt rise of cylinder pressure resulting from the initial burning of the injected fuel,......

Fabricated Beams For Pitt Trailers

T HE Hampshire firm of Charles Pitt (Barton Stacey) Ltd. has started tc produce semi-trailers using fabricated main beams. Each beam is 16 in. deep and in. thick and has 5 in......