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George Ted
10-11-2016, 19:43
Lincoln Castle at full speed

France Fenwick
10-11-2016, 20:28
Lincoln Castle at full speed

Will that be about 12.5 knots then?

George Ted
10-12-2016, 16:02
Will that be about 12.5 knots then?

Yes

George Ted
10-12-2016, 16:04
New Holland Pier And Hull

A.N.Other
10-16-2016, 15:44
Will that be about 12.5 knots then?

With reference to the SPEEDS of the L&NER’s ‘Castle’ vessels of the Humber ferries fleet I thought that readers could be interested in a little documentary background to ‘propulsion achievement’ revealed in a short weekend delve and foray in the p.s. ‘Lincoln Castle’ Archive & Collection.

This short extract from J.F. Wood’s* pre-Specs/Tenders considerations when the ultimate vessel in the fleet was proposed:

ALTERATIONS RECOMMENDED IN THE PROPOSED
NEW PADDLE STEAMER
---------------------------------------
…3. Speed.
The speed of the “Castle” steamers is 13½ knots, and we propose to reduce this to 12½. This will result in the weight of the machinery and paddles being reduced, as less power would be required. Our reason for this is that we find that the speed of 13½ knots has not been found necessary since the pontoons have been brought into commission, as there is a considerable speeding up in the loading and discharging of freight, cars, passengers, etc. The time saved by having 13½ knots as against 12½ in the short distance even in the long route, viz. 5 miles,is negligible…

The prior related consideration, in context with the ult. Spec+Drwgs+Construction shows [as do comparative photographs] that the p.s. ‘Lincoln Castle’ was a singularly unique construction of the Inglis yard on The Clyde [delivered 1941], while the p.ss. ‘Tattershall Castle’ and ‘Wingfield Castle’ ARE sister ships from the West Hartlepool yard of Gray & Co delivered in 1934:

…2. Engines and boiler transposed.
The engines have been moved aft, and in consequence, the engines should run better because of the change in the direction of motion, i.e. in the "Castle" steamers the engines, when going ahead, have the weight on the guides on the underside, and by moving round as proposed,the weight moves on the top side and makes the lubrication better. Will also give extra space for third class passengers on the promenade deck, and afford space for buoyant seats from after deck, thus giving unrestricted space for cars. The ship will also have a better appearance…

*J.F. Wood — the London and North Eastern Railway Company’s Humber ports Superintendent Marine Engineer.

tramscape
10-16-2016, 15:52
I suspect FF was commenting on her "greyhound" like nature !

France Fenwick
10-16-2016, 16:01
Quite correct TS.

George Ted
10-21-2016, 15:07
Leaving Hull

Lincoln Castle
08-12-2017, 07:59
Spent many happy hours on the ship back in the 1970s. Built my own working model.1002

Lincoln Castle
08-12-2017, 09:13
The model carried various liveries - finishing up with the original. Here she is in Sealink livery along with Waverley.1003