Triumph Motor Company an image of what a new version of the TR4 might look like. BMW has not commented officially on this. Globe Pre-war Triumphs carried a stylised Globe badge, usually on the radiator grille, and this was also used on the first three models produced under Standard's control. Griffin Standard had introduced a new badge in 1947 for their own models, first seen on the Vanguard, a highly stylised motif based on the wings of a Griffin. With the introduction of the TR2, a version of this badge appeared for the first time on the bonnet of a production Triumph, while
Propeller (aeronautics) Wright Brothers realized that a propeller is essentially the same as a wing, and were able to use data from their earlier wind tunnel experiments on wings, introducing a twist along the length of the blades. This was necessary to maintain a more uniform angle of attack of the blade along its length. Their original propeller blades had an efficiency of about 82%, compared to 90% for a modern (2010) small general aviation propeller, the 3-blade McCauley used on a Bonanza aircraft. Roper quotes 90% for a propeller for a human-powered aircraft. Mahogany was the wood preferred for propellers through