Battery 247
Battery Name: 247
Harbor: Columbia River
Location: Fort Canby
Eponym: not named
Current status: excellent shape, battery open to public.
Information from RCW Form 1 (date): March 1, 1945
Battery commenced: Feb. 9, 1943
Battery completed: Aug. 31, 1944
Date of transfer: Oct. 28, 1944
Material of construction: reinforced concrete
Cost to date of transfer: $243,397
Type of data transmission: telephones furnished and installed by the Signal Corps.
Trunnion elevation in battery: 194.62 ft.
Datum plane: mean sea level
Sources of electric current: Diesel driven electric generators. Procured and installed by the Ordnance Department. Voltage: 440 AC, 3 phase, 3 units with a capacity of 125 kW each. Max. 35 kW req. for utilities. Max. 80 kW req. for non-battle conditions. Commercial power provided capacity 50 kW. No auxiliary power unit provided.
RCW Form 5 (date): none
Armament: 2 gun emplacements
# 1: Cal., 6″: Length, 309.90″: Model, T2: Serial No., 15: Manufacturer, Watervliet: Mounted, July 1944
# 1: Carriage Type, barbette: Model, M4: Serial No., 3: Manufacturer, Wellman Eng. Co., Akron, OH:
Motor, 10 hp, 70V, DC
# 2: Cal., 6″: Length, 309.90″: Model, T2: Serial No., 17: Manufacturer, Watervliet: Mounted, July 1944
# 2: Carriage Type, barbette: Model, M4: Serial No., 4: Manufacturer, Wellman Eng. Co., Akron, OH:
Motor, 10 hp, 70V, DC
Historical Notes and Comments: Constructed by government forces, authorized by Dir. Cons. No. FS-284, designated job No. MacKenzie Head FS-1. Disarmed 1947 or 1948.