Junkers Ju 87 of 1940. The 105 R-1s were converted to R-2 status and a further 616 production R-2s were ordered. In May 1941, the development of the D-1 was planned and was ordered into production by March 1942. The expansion of the Junkers Ju 88 production lines to compensate for the withdrawal of Dornier Do 17 production delayed production of the Ju 87 D. The Weserflug plant in Lemwerder experienced production shortfalls. This prompted Erhard Milch to visit and threaten the company into meeting the RLM's Ju 87 D-1 requirements on 23 February 1942. To meet these demands, 700 skilled workers were
Bristol Aeroplane Company Bristol Record Office include the papers of Lionel Harris, an engineer at the Bristol Aeroplane Company in the 1940s (Ref. 42794) (online catalogue) The Bristol Engine Company was originally a separate entity, Cosmos Engineering, formed from the pre-First World War automobile company Brazil-Straker. In 1917, Cosmos was asked to investigate air-cooled radial engines and, under Roy Fedden, produced what became the Cosmos Mercury, a 14-cylinder two-row (helical) radial, which they launched in 1918. This engine saw little use but the simpler nine-cylinder version known as the Bristol Jupiter was clearly a winning design. With the post-war rapid contraction of military