As WWI progressed, the Germans kept working on designs for new battleship and battlecruiser construction. The war situation kept anything from being started, but that didn't keep the designers from continuing to refine their designs. One ship that has been prominently mentioned was the L20eα. Her dimensions were: 780ft-10in x 109.9ft x 29.53ft. Her displacement was something like 43,797 tons. Her armament was intended to be 8-16.5in/45, 12-5.9in/45, and 8-88mm or 4.1in AA guns. Her protection was on a 350mm scale (13.78in). That was the thickness of the lower belt, the barbettes, and flat turret faces. Her power plant was designed to achieve 26 knots at 100,000 SHP.
I just ran my propulsion calculation program for this ship. This is part of that output:
- 24 knots 72,850.0 SHP (SLR=0.858881)
- 25 knots 87,950.6 SHP (SLR=0.894668)
- 26 knots 104,169.0 SHP (SLR=0.930454)
- 27 knots 121,494.0 SHP (SLR=0.966241)
My reference for WWI-era German capital ships is:
Friedrich Forstmeier, Siegfried Breyer, Deutsche Grosskampschiffe 1915-1918 (1970)
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