35mm GDM-A
Overview
GDM-A naval turret
Oerlikon GDM-A naval turret with two 35mm autocannon.
Source: Oerlikon Contraves AG -
© Copyright lies with original owner
Origin
Switzerland
Type
Naval gun
Entered service
1971 or 1972
Status
Limited service
Development
Mid 1960's
Developer
Switzerland
-
Oerlikon Contraves
Production
Late 1960's - 1990's or later
Producer
Switzerland
-
Oerlikon Contraves
Number produced
About 40
Designations
Oerlikon GDM-A
Notable users
Greece
Turkey
Ecuador
Turkey
Ecuador
Details
Facts
GDM-A
General
Origin
Switzerland
Type
Naval gun turret
Ordnance
Type
2x 35mm Oerlikon KDC-01 autocannon
Rate of fire
550 rpm per barrel
Range
Up to 4.5 km vs aircraft with radar control
Up to 2 km vs aircraft with local control
Up to 5 km vs surface targets, depending on size
Muzzle velocity
1.175 m/s for HEI-T
Mount
Feed mechanism
Linkless feeding device, manually reloaded using 7-round feed trays
Ammunition
Each gun has a magazine with 49 rounds in feed trays, plus 7 rounds in the feeding device
224 extra rounds stored in turret
Traverse
360°, powered (estimate)
Traverse rate
100°/s
Elevation
-15° to +85°, powered
Elevation rate
120°/s
Operation
Crew
1 gunner, 2 loaders in turret
Fire control
Local control and/or external radar input
Dimensions
Weight
6.52 t with ammunition
4.76 t without ammunition
Media
GDM-A naval turret
Turkish navy Yildiz class fast attack craft with GDM-A turret at the stern. Note the more rounded gun housing compared to older models.
Source: Yoruk Isik
Copyright: Copyright lies with original owner
GDM-A naval turret
Oerlikon GDM-A naval turret with its two 35mm autocannon in raised position.
Source: Oerlikon Contraves AG
Copyright: Copyright lies with original owner
35mm GDM-A
Greek navy La Combattante II class with two 35mm GDM-A gun turrets.
Source: Unknown author
Copyright: copyright lies with original owner
Related articles
35mm Oerlikon KDA
The GDM-A naval gun turret is armed with two 35mm Oerlikon KDC autocannon.
Oerlikon GDF
The GDM-A turret is based on the GDF towed anti-aircraft gun.