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Originally posted by Brockpaine
Likely the speed. Above 32 knots, speed "costs" more than anything else you can add.
Speed is part of the quirks of Springsharp. You'll note that most of Wesworld's destroyers run about 33 to 35 knots, and that's mostly because Springsharp is not designed to calculate lighter destroyer machinery nor the semi-planing hull forms many of them featured. There are any number of other quirks where you occasionally need to "trick" Springsharp into doing what you need, rather than what it thinks you need. (Carriers, submarines, cargo ships, sailing ships, and such are all examples.)
Looking at your posted design, I'm guessing that it's almost certainly the speed which drove the HS of the design down. Try it with a 32 knot speed and I bet it'll come pretty close to working.
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Originally posted by BruceDuncan
Brock, thank you for the excellent advice. As an aid to my learning process, I've tried to keep track of the design changes in the notes. Of course, one of the first errors I found was the height of the armor belt. Eight *meters* is much more than eight *feet*. Fixing that had the most significant impact.
Quoted
Originally posted by Brockpaine
Quoted
Originally posted by BruceDuncan
Brock, thank you for the excellent advice. As an aid to my learning process, I've tried to keep track of the design changes in the notes. Of course, one of the first errors I found was the height of the armor belt. Eight *meters* is much more than eight *feet*. Fixing that had the most significant impact.
Whoa, yeah. That'd do it - and I missed that, too.
Quoted
Originally posted by BruceDuncan
Quoted
Originally posted by Brockpaine
Quoted
Originally posted by BruceDuncan
Brock, thank you for the excellent advice. As an aid to my learning process, I've tried to keep track of the design changes in the notes. Of course, one of the first errors I found was the height of the armor belt. Eight *meters* is much more than eight *feet*. Fixing that had the most significant impact.
Whoa, yeah. That'd do it - and I missed that, too.
It came to me while I was in the shower <sound of palm striking head>.
But more seriously, is there a rule of thumb for the height of an armor belt. Most reference works seem to record only the length and thickness.
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Originally posted by Sachmle
Something else you could try is setting up your guns. You've got all your 152s as "raised" as well as all your 120s (weird combo BTW. IMHO, why not go for 140mm DP all around). Having all these weapons 'raised' adds top weight, which hurts stability and steadiness and cuts into your hull strength. Also, I'd add hoist/below deck armor to your 120s as this will be greatly appreciated by those in the magazines and the rest of the ship if you're hit.
As to belt height I shoot for at least 1 full deck, so it depends on your deck height. Springsharp also assumes that the belt is split evenly above and below water, so a 12' belt will get you plenty of protection underwater, by only 6' above.
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Freeboard (% = measuring location as a percentage of overall length):
- Stem: 23.75 ft / 7.24 m
- Forecastle (17 %): 20.64 ft / 6.29 m
- Mid (50 %): 20.64 ft / 6.29 m
- Quarterdeck (19 %): 20.64 ft / 6.29 m
- Stern: 30.97 ft / 9.44 m
- Average freeboard: 21.83 ft / 6.65 m
Ship tends to be wet forward
Quoted
8 - 1.57" / 40.0 mm guns (4x2 guns), 1.95lbs / 0.88kg shells, 1936 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, 3 raised mounts
This post has been edited 1 times, last edit by "Eidolon" (Jun 19th 2010, 6:19pm)
Quoted
Originally posted by Eidolon
A bit of a gravedig here... sorry, but I felt compelled to post as part of my learning curve.
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Freeboard (% = measuring location as a percentage of overall length):
- Stem: 23.75 ft / 7.24 m
- Forecastle (17 %): 20.64 ft / 6.29 m
- Mid (50 %): 20.64 ft / 6.29 m
- Quarterdeck (19 %): 20.64 ft / 6.29 m
- Stern: 30.97 ft / 9.44 m
- Average freeboard: 21.83 ft / 6.65 m
Ship tends to be wet forward
I'd flip those two values around (as it is, the 'back' is taller than the 'front'). I believe that would improve steadiness and seaboat ratings, and keep the her from being wet forward.
Quoted
8 - 1.57" / 40.0 mm guns (4x2 guns), 1.95lbs / 0.88kg shells, 1936 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, 3 raised mounts
Four mounts of which three are raised. A typo?
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