Norton Commander (motorcycle) Norton Commander (motorcycle) The Commander was a Norton motorcycle with a Wankel rotary engine. The first Norton Wankel motorcycle was the 1987 air-cooled Classic, built as a special edition of just 100 machines. It was followed by the air-cooled Interpol 2 model. The Commander was a liquid-cooled successor to the Interpol 2, liquid cooling being adopted for greater power and reliability. The Commander's final-drive chain was protected by a full enclosure. Some cycle parts (such as front wheel, forks & brakes) were bought-in Yamaha items. Two types of Commander were built. The P52 was a single-seat model equipped for police
Regular tuning aes, >4 < c e aes >2 <c >4 <e >4 <aes >4 < c e aes >4 <c' e' aes' >2 <c' >4 <e' >4 <aes' >4 < c' e' aes' >4 <c, e, aes, c e aes c' e' aes'>1. </score> "Major-thirds tuning" is a regular tuning in which the musical intervals between successive strings are each major thirds. Like minor-thirds tuning (and unlike all-fourths and all-fifths tuning), major-thirds tuning is a repetitive tuning; it repeats its octave after three strings, which again simplifies the learning of chords and improvisation; similarly, minor-thirds tuning repeats itself after four strings