|Model :||FN-21A or FN-64|
|Method of power transmission :||Hydraulic|
|Source of power:||Engine Drive Pump|
|Hydraulic operating pressure||300 lb. per sq. inch.|
|Field of fire :||Azimuth - 360deg.
Elevation - 25 deg.
Depression - 90 deg.
|Armament :||Two - 0.303 Machine Guns|
|Firing control mechanism||Palmer Hydraulic|
|Gun Sight||Free gun reflector sight Mk. III A, Mk. III N|
Point of Interest:
It should be noted that the approximate location of the ventral turret was eventually used for the H2S radar assembly. In the later stages of the war some squadron's took it upon themselves, to install a single 0.50 calibre machine gun in the position.
Two views showing the low drag Mid-Lower turret installed into a Manchester