Luftwaffe Dreieckrechner DR 2 Flight Computer Fl.23825 1942 Short Stirling or it can release (salvo)

or it can release (salvo) both racks simultaneously by shifting the lever to the center position and pulling back

it is similar in appearance to the altimeter used in the fighters MiG 27

A box containing magnets which may be turned to compensate for deviation is located on the bottom of the compass

The face is embossed BU AERO US NAVY (i

Luftwaffe Dreieckrechner DR 2 Flight Computer Fl.23825 1942 Short Stirling or it can release (salvo)This is an authentic Dreieckrechner Flight Computer, Model DR2, Fl. 23825 as used by pilots and navigators of the German Luftwaffe during WWII. It is essentially a two sided slide rule. Side one is used to correct the course of flight due to wind direction: by setting the black arrow to the desired course and rotating the white inner dial to the wind direction in black, then correcting the course by turning the aircraft to the corresponding red angle.