WikiVisually
The entire wiki reimagined as a visual magazine with video discovery · Watch your interests come alive
WikiVisually
The entire wiki reimagined as a visual magazine with video discovery · Watch your interests come alive
Nature The World Movies USA Top Art Fine & Rare History Ivy & Inquiry
Rangekeeper
Videos
Rangekeepers were electromechanical fire control computers used primarily during the early part of the 20th century. They were sophisticated analog computers whose development reached its zenith follo
Figure 1: The Ford Mk 1 Ballistic Computer. The name "rangekeeper" began to become inadequate to describe the increasingly complicated functions of ra
Figure 1: The Ford Mk 1 Ballistic Computer. The name "rangekeeper" began to become inadequate to describe the increasingly complicated functions of rangekeeper. The Mk 1 Ballistic Computer was the first rangekeeper that was referred to as a computer. Note the three pistol grips in the foreground, which are the firing keys of the main guns. The left sounds an alarm that the guns are about to fire, the center fires in automatic mode (Range Keeper controlled), and right is manual firing.
Ship gun fire-control system
Videos
Ship gun fire-control systems are analogue fire-control systems that were used aboard naval warships prior to modern electronic computerized systems, to control targeting of guns against surface ships
Rangekeeper
…to withstand the effects of hostile enemy hits to other parts of the ship. They not only needed to continue functioning, but also stay accurate. The Ford Mark 1/1A mechanism was mounted into a pair of approximately cubical large castings with very wide openings, the latter covered by gasketed castings. Individual…
Mark 68 GFCS director with AN/SPG-53 radar antenna on top.
Mark 68 GFCS director with AN/SPG-53 radar antenna on top.
Mark 37 Director c. 1944 with Mark 12 (rectangular antenna) and Mark 22 "orange peel"
Mark 37 Director c. 1944 with Mark 12 (rectangular antenna) and Mark 22 "orange peel"
Barr & Stroud 1.5–metre rangefinder, on display at Mikasa Park, Yokosuka, Japan
Barr & Stroud 1.5–metre rangefinder, on display at Mikasa Park, Yokosuka, Japan
Cut-away view of a RN K-class destroyer Director Control Tower with Type 285 radar. The below decks Fuze Keeping Clock is shown in the centre of the d
Cut-away view of a RN K-class destroyer Director Control Tower with Type 285 radar. The below decks Fuze Keeping Clock is shown in the centre of the drawing and is labelled "Gunnery Calculating Position", with the deflection operator seated.