Luftwaffe Dreieckrechner DR 2 Flight Computer Fl.23825 1938 AR-234

Luftwaffe Dreieckrechner DR 2 Flight Computer Fl.23825 1938 AR-234This 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.

It has a date stamp of Jun 23

Liquidometer PN EA41A-3 and Stock #R88-I-2044

B-36 Peacemaker

25 inches diameter and in depth

The oil temperature was measured via electrical resistance thermometer bulb

These booklets are in reasonably good condition given their age

Under icing conditions

Through the Overcast

But otherwise is very suitable for static display

A cool piece regardless of its intended application

This is an experienced yet fine example of an early WWII-era German Wendezeiger (Turn and Bank) Fl 22402

a real piece of aviation history