Prince Henry of Prussia (1862–1929) became the club's patron. Henry was interested in motor cars as well and supposedly invented a windshield wiper and, according to other sources, the car horn. In his honor, the "Prinz-Heinrich-Fahrt" (Prince Heinrich Tour) was established in 1908, like the earlier Kaiserpreis a precursor to the German Grand Prix. Henry and his brother William gave patronage to the Kaiserlicher Automobilclub (Imperial Automobile Club). Henry also was an early proponent of introducing submarines and airplanes. He had merchant ships converted into seaplane tenders for operations in the Baltic Sea. Henry respected his brother, but this attitude was not returned in the
Vauxhall Prince Henry the Prince Henry radiator and bonnet were adopted. This was one of the first cases of a British car having its bonnet merging into the scuttle without an intermediate no-man's land of exposed dashboard. "Of the three Vauxhalls which ran in the Prince Henry Tour, two got full marks for reliability, and all did about 65 miles an hour in the speed trial, which was really quite good for that engine with a four-seated body and a full complement of passengers. So many people desired cars of this special type that in 1911 it was made a regular product of