LSWR N15 Class

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30783 Sir Cillemere at Eastleigh, 1950.
30783 Sir Cillemere at Eastleigh, 1950.
Preserved 30777 Sir Lamiel is part of the National Collection.
Preserved 30777 Sir Lamiel is part of the National Collection.

The London and South Western Railway N15 Class also known as the King Arthur Class is a class of 2-cylinder 4-6-0 passenger steam locomotives with 6 foot 7 inch (2007 mm) driving wheels. They all carried names from Arthurian legend.

Contents

[edit] Construction

They were built in six batches:

The first two batches were designed by Robert W. Urie, and built in two batches each of 10 engines by the London and South Western Railway's Eastleigh Works in 1918–19 and 1922–23. After further examples were built by the Southern Railway, these first 20 engines were known as "Urie Arthurs," and given names of people and places related to the Arthurian legends. O. V. S. Bulleid subsequently rebuilt five of the engines with a Lemaître exhaust.

After the Grouping, Richard E. L. Maunsell built a third batch of 10 to a slightly modified design at the Southern Railway's Eastleigh works in 1925. These are referred to as "Eastleigh Arthurs." They were inteded as a stop-gap measure, and re-used the 4,300 gal. (19,500 litre) tenders and running numbers of the Drummond G14 and P14 class engines that they replaced.

Maunsell ordered two more batches from the Scottish building firm North British Locomotive Company in 1924 for delivery for following year. These 30 engines are referred to as "Scotch Arthurs." They were built to the Southern's new composite loading gauge, and equipped with 8-wheel bogie tenders of 5,000 imperial gallon (23 m³) capacity.

The last batch was for 15 engines for the Eastern division, and were adapted to take a 6-wheel, 3,500 imperial gal. (16 m³) tender. They were built at Eastleigh in 1926–27. However, the last engine was cancelled, and the prototype "Lord Nelson" class engine built instead.

[edit] Specifications

The Urie engines had 180 lb/sq in boilers and a weight of 80 tons 7 cwt (81.6 t) and 21 by 28 inch (533 by 711 mm) cylinders, apart from No 755 which had somehow acquired cylinders with 22 inch (559 mm) bore.

The Maunsell engines all had boilers pressurized to 200 lbf/in² (1.4 MPa) and cylinders of 20.5 inch (520 mm) bore and 28 inch (711 mm) stroke. Detail differences resulted in weights of 80 tons 19 cwt (82.2 t) for Nos 448 to 452 and 763 to 792, 79 tons 18 cwt for Nos 453 to 457, and 81 tons 17 cwt (82.1 t) for Nos 793 to 806.

Their crews recognised them as competent without being inspiring or having any vices.

[edit] List of Engines and their names

[edit] The Urie Arthurs

BR No. SR No. SR Name Builder Built Withdrawn Notes
30736 736 Excalibur LSWR, Eastleigh 1918 1956 Lemaître exhaust
30737 737 King Uther LSWR, Eastleigh 1918 1956 Lemaître exhaust
30738 738 King Pellinore LSWR, Eastleigh 1918 1958
30739 739 King Leodegrance LSWR, Eastleigh 1919 1957
30740 740 Merlin LSWR, Eastleigh 1919 1955
30741 741 Joyous Gard LSWR, Eastleigh 1919 1956 Lemaître exhaust
30742 742 Camelot LSWR, Eastleigh 1919 1957
30743 743 Lyonnesse LSWR, Eastleigh 1919 1955
30744 744 Maid of Astolat LSWR, Eastleigh 1919 1956
30745 745 Tintagel LSWR, Eastleigh 1919 1956
30746 746 Pendragon LSWR, Eastleigh 1922 1955
30747 747 Elaine LSWR, Eastleigh 1922 1956
30748 748 Vivien LSWR, Eastleigh 1922 1957
30749 749 Iseult LSWR, Eastleigh 1922 1957
30750 750 Morgan le Fay LSWR, Eastleigh 1922 1957
30751 751 Etarre LSWR, Eastleigh 1922 1957
30752 752 Linette LSWR, Eastleigh 1922 1955 Lemaître exhaust
30753 753 Melisande LSWR, Eastleigh 1923 1957
30754 754 The Green Knight LSWR, Eastleigh 1923 1953
30755 755 The Red Knight LSWR, Eastleigh 1923 1957 Lemaître exhaust

[edit] The Scotch Arthurs

BR No. SR No. SR Name Builder Built Withdrawn Notes
30763 763 Sir Bors de Ganis North British Loco 23209 1925 1960
30764 764 Sir Gawain North British Loco 23210 1925 1961
30765 765 Sir Gareth North British Loco 23211 1925 1962
30766 766 Sir Geraint North British Loco 23212 1925 1958
30767 767 Sir Valence North British Loco 23213 1925 1959
30768 768 Sir Balin North British Loco 23214 1925 1961
30769 769 Sir Balan North British Loco 23215 1925 1960
30770 770 Sir Prianius North British Loco 23216 1925 1962
30771 771 Sir Sagramore North British Loco 23217 1925 1961
30772 772 Sir Percivale North British Loco 23218 1925 1961
30773 773 Sir Lavaine North British Loco 23219 1925 1962
30774 774 Sir Gaheris North British Loco 23220 1925 1960
30775 775 Sir Agravaine North British Loco 23221 1925 1960
30776 776 Sir Galagars North British Loco 23222 1925 1959
30777 777 Sir Lamiel North British Loco 23223 1925 1961 Preserved as part of the National Collection
30778 778 Sir Pelleas North British Loco 23224 1925 1959
30779 779 Sir Colgrevance North British Loco 23225 1925 1959
30780 780 Sir Persant North British Loco 23226 1925 1959
30781 781 Sir Aglovale North British Loco 23227 1925 1962
30782 782 Sir Brian North British Loco 23228 1925 1962
30783 783 Sir Gillemere North British Loco 23279 1925 1961
30784 784 Sir Nerovens North British Loco 23280 1925 1959
30785 785 Sir Mador de la Porte North British Loco 23281 1925 1959
30786 786 Sir Lionel North British Loco 23282 1925 1959
30787 787 Sir Menadeuke North British Loco 23283 1925 1959
30788 788 Sir Urre of the Mount North British Loco 23284 1925 1962
30789 789 Sir Guy North British Loco 23285 1925 1959
30790 790 Sir Villiars North British Loco 23286 1925 1961
30791 791 Sir Uwaine North British Loco 23287 1925 1960
30792 792 Sir Hervis de Revel North British Loco 23288 1925 1959

[edit] The Eastleigh Arthurs

BR No. SR No. SR Name Builder Built Withdrawn Notes
30448 448 Sir Tristram SR, Eastleigh 1925 1960
30449 449 Sir Torre SR, Eastleigh 1925 1959
30450 450 Sir Kay SR, Eastleigh 1925 1960
30451 451 Sir Lamorak SR, Eastleigh 1925 1962
30452 452 Sir Meliagrance SR, Eastleigh 1925 1959
30453 453 King Arthur SR, Eastleigh 1925 1961
30454 454 Queen Guinevere SR, Eastleigh 1925 1958
30455 455 Sir Lancelot SR, Eastleigh 1925 1959
30456 456 Sir Galahad SR, Eastleigh 1925 1960
30457 457 Sir Bedivere SR, Eastleigh 1925 1961
30793 793 Sir Ontzlake SR, Eastleigh 1926 1962
30794 794 Sir Ector de Maris SR, Eastleigh 1926 1960
30795 795 Sir Dinadan SR, Eastleigh 1926 1962
30796 796 Sir Dodinas le Savage SR, Eastleigh 1926 1962
30797 797 Sir Blamor de Ganis SR, Eastleigh 1926 1959
30798 798 Sir Hectimere SR, Eastleigh 1926 1962
30799 799 Sir Ironside SR, Eastleigh 1926 1961
30800 800 Sir Meleaus de Lile SR, Eastleigh 1926 1961
30801 801 Sir Meliot de Logres SR, Eastleigh 1926 1959
30802 802 Sir Durnore SR, Eastleigh 1926 1961
30803 803 Sir Harry le Fise Lake SR, Eastleigh 1926 1961
30804 804 Sir Cador of Cornwall SR, Eastleigh 1926 1962
30805 805 Sir Constatine SR, Eastleigh 1927 1959
30806 806 Sir Galleron SR, Eastleigh 1927 1961

[edit] References

  • Maunsell Locomotives - a pictorial history, Brian Haresnape, Ian Allen Ltd, 1977, ISBN 0-7110-0743-8
  • LSWR Locomotives - the Urie classes, D L Bradley, Wild Swan Publications, 1987, ISBN 0-906867-55-X

[edit] External links


Maunsell: H15 - Lord Nelson - N15 (King Arthur) - N15X - Q - V (Schools) - U - U1 - W - Z
Bulleid: Leader - Merchant Navy - Q1 - USA - West Country/Battle of Britain
Diesels: 10201 to 10203
Locomotives of: BR (steam) • GWR • LMS • LNER
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