Junkers Ju 87 parts that were required to take heavy stress were made of steel. The Ju 87 was fitted with detachable hatches and removable coverings to aid and ease maintenance and overhaul. The designers avoided welding parts wherever possible, preferring moulded and cast parts instead. Large airframe segments were interchangeable as a complete unit, which increased speed of repair. The airframe was also subdivided into sections to allow transport by road or rail. The wings were of standard Junkers double-wing construction. This gave the Ju 87 considerable advantage on take-off; even at a shallow angle, large lift forces were created through the
Curtiss Aeroplane and Motor Company doing what we can to help one another." In 1909, the AEA was disbanded and Curtiss formed the Herring-Curtiss Company with Augustus Moore Herring on March 20, 1909, which was renamed the Curtiss Aeroplane Company in 1910. The Curtiss Aeroplane and Motor Company was created on January 13, 1916 from the Curtiss Aeroplane Company of Hammondsport, New York and Curtiss Motor Company of Bath, New York. Burgess Company of Marblehead, Massachusetts, became a subsidiary in February 1916. With the onset of World War I, military orders rose sharply, and Curtiss needed to expand quickly. In 1916, the company moved its