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Victorian Navy http://67.205.157.234/forums/viewtopic.php?f=12&t=4244 |
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Author: | darthpanda [ October 17th, 2015, 8:27 pm ] | ||
Post subject: | Re: Victorian Navy | ||
Oh no! the length is in PP.......
There is also a dot around 50px over the bridge... |
Author: | heuhen [ October 17th, 2015, 9:36 pm ] | |||
Post subject: | Re: Victorian Navy | |||
Oh no! the length is in PP.......
There is also a dot around 50px over the bridge... |
Author: | darthpanda [ October 18th, 2015, 10:33 pm ] |
Post subject: | Re: Victorian Navy |
According to my calculation base on the ship plan from that period: HMS Benbow's Beam is 68ft 6 in -> 137.2pix That meant the ship Length OA = 714pix -> 357ft As for control, I used the Draught 27ft 3 in ->55pix That meant HMS Camperdown is 362ft is she is 5ft longer than Benbow. Is my calculation correct? |
Author: | Novice [ October 19th, 2015, 4:34 pm ] |
Post subject: | Re: Victorian Navy |
According to Wikipedia HMS Camperdown's particulars are Class & type: Admiral-class battleship Displacement: 10,600 long tons (10,800 t) Length: 330 ft (100 m) Beam: 68 ft 6 in (20.88 m) Draught: 27 ft 3 in (8.31 m) maximum Installed power: 7,500 ihp (5,600 kW) (normal) 11,500 ihp (8,600 kW) (forced draught) Propulsion: 2 × Maudslay compound inverted steam engines 2 × screws Speed: 17.1 kn (19.7 mph; 31.7 km/h) (forced draught) Complement: 530 Armament: 4 × BL 13.5 in (340 mm) guns 4 × BL 6 in (150 mm) guns 12 × QF 6-pounder Nordenfelt guns 10 × 3-pounder quick-firing guns 5 × above-water torpedo tubes Armour: Belt: 18 in (46 cm) (upper strake); 8 in (20 cm) (lower strake) Bulkheads: 7–16 in (178–406 mm) Barbettes: 10–11.5 in (25–29 cm) Conning Tower: 2–12 in (5.1–30.5 cm) Battery Screens: 6 in (15 cm) Deck: 2.5–3 in (6.4–7.6 cm) (upper); 2.5 in (6.4 cm) (lower) She was known as a Barbette type battleship, one of the Admiral class, which also consisted of HMS Benbow, HMS Rodney, HMS Howe and HMS Anson. |
Author: | darthpanda [ October 20th, 2015, 12:06 am ] | |
Post subject: | Re: Victorian Navy | |
According to Wikipedia HMS Camperdown's particulars are
Problem is that the length is for PP:Class & type: Admiral-class battleship Displacement: 10,600 long tons (10,800 t) Length: 330 ft (100 m) Beam: 68 ft 6 in (20.88 m) Draught: 27 ft 3 in (8.31 m) maximum https://en.wikipedia.org/wiki/Length_ov ... ements.svg |
Author: | Hood [ October 20th, 2015, 7:35 am ] |
Post subject: | Re: Victorian Navy |
I'll have a look in my Conway 1865-1905 to confirm the length (assuming its not pp in there too!) |
Author: | Novice [ October 20th, 2015, 6:58 pm ] | |
Post subject: | Re: Victorian Navy | |
I'll have a look in my Conway 1865-1905 to confirm the length (assuming its not pp in there too!)
Most probably it is PP. Contrary to what DP posted, the PP definition is: Length between perpendiculars (lbp): The distance measured along the summer load water plane from fore to aft perpendicular is known as length between perpendiculars.The fore perpendicular is where the summer load line intersects the fore side of the stem. The aft perpendicular is usually measured at the rudder post, as explained below. |
Author: | Krakatoa [ October 20th, 2015, 7:10 pm ] |
Post subject: | Re: Victorian Navy |
I think the way DP scaled the drawing from the beam to get the length was as good a way of getting the length calculation right as any other. One of the uses of a decent plan/side view if you are unsure of oa/pp lengths, but have the beam. |
Author: | Novice [ October 20th, 2015, 7:18 pm ] |
Post subject: | Re: Victorian Navy |
I do not question DP method of scaling his drawing. His drawings are excellent. |
Author: | Novice [ October 20th, 2015, 7:27 pm ] |
Post subject: | Re: Victorian Navy |
Sorry double post. My home router was acting up again... |
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