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Maunsell coaches P sets in North Cornwall

SR P Set Research
On the Withered Arm two-coach sets comprising of a corridor brake third and a corridor brake composite formed the mainstay of local services. Under the SR system these were referred to as P sets and were formed from Maunsell coaching stock built from 1926 to 1936. Three diagram numbers were used for the brake thirds (D2102, D2110 and D2113) and two for the composite brakes (D2401 and D2403). Of note to the modeller is the fact that 4 distinct body styles or 'patterns' were used over the period of manufacture. Notes on the visual differencies are 'lifted' from the following website: www.srg.org.uk/Maunsell_history_01.htm.

Pattern 1 Notes:
In 1925, the SR placed orders for new carriages for West of England and Central Section services to London which incorporated these 'standard' features. The body (which was in essence a 'bow-ended' design with a basic length of 59' along the coach centreline) included passenger compartments each with an external door and corridors with 'low' main window lights. The windows were fitted into a wooden frame arranged such that the glass was noticeably recessed into the body side. The maximum width over the body sheeting was 9' 0" (Route Restriction 4) and there was a marked tumblehome. The luggage and guard's compartments had vertical sides (8' 7" wide with a small tumblehome at the base) and steel duckets.

Pattern 2 Notes:
The first or 'low' pattern of Maunsell bodyside, remained in production until 1933 for certain types of carriage but in 1929, the second pattern (known as pattern 2) which featured 'HIGH' corridor window lights emerged and since this was the only significant change, there was no need for a change in diagram number.

Pattern 3 Notes:
The next major change in design occurred in 1935 (pattern 3). Windows were virtually flush with the window sides (the larger lights having large radius corners), and the body was marked by numerous screw heads where the steel sheeting was fixed to the wooden framing. Droplights were frameless. The gutter appeared more slender, adding to the 'flush sided' appearance. The 'double' battery boxes were dispensed with and two single boxes, each offset to the left of the coach centreline when viewed on each side.

Pattern 4 Notes: The final pattern (pattern 4) appeared in 1936, with the fixed window lights (small radius corners) mounted in a neat frame, giving the appearance of a moulding on the body side. Droplights were frameless except on the Open Third design where frames were again used. The numerous screw heads disappeared, presenting what was possibly the most attractive of Maunsell's carriage designs. N.B. There were no pattern 4 coaches in the North Cornwall line sets.

 
Set Formations: Coach 1: Brake Third Coach 2: Brake Composite

Set Date Date   Pattern 2 Pattern 2 Pattern 3 Pattern 1 Pattern 2 Pattern 3

Nº: From: To:   D2102 D2110 D2113 D2401 D2401 D2403
22 Jan 1948 Jun 1960       2790     6691
22 Sep 1960 Nov 1960       2790   6648  
22 Nov 1960 Dec 1964       2790   6669  

23 Jan 1948 Dec 1959       2792   6575  
23 Sep 1960 Nov 1960       2792   6646  
23 Nov 1960 Dec 1962       2792   6652  

24 Jan 1948 Jul 1964 WR 63     2832   6602  

25 Jan 1948 Jun 1962     3780     6665  
25 Jun 1963 Jul 1964 WR 63   3780     6648  

26 Jan 1948 Dec 1961       2831   6586  
26 Jun 1962 Dec 1962       2831   6586  

27 Jan 1948 Dec 1962     3775     6603  

28 Jan 1948 Dec 1961       2787 6569    
28 Jun 1962 Dec 1962       2787   6591  

29 Jan 1948 Dec 1959       2788 6567    
29 Sep 1960 Apr 1961       2788   6643  
29 Apr 1961 Dec 1962       2788   6653  

30 Feb 1962 Dec 1962     3788     6668  

31 Feb 1962 Nov 1964 WR 63     2838   6662  

168 Oct 1935 Jun 1960       2776     6695
168 Sep 1960 Nov 1960       2776   6655  
168 Nov 1960 Jan 1963       2776   6659  

172 Jan 1935 Jun 1960       2777     6696
172 Jan 1960 Nov 1964 WR 63     2836     6690

178 Jun 1960 Nov 1962       2836   6666  

179 Sep 1930 Feb 1961   3732       6673  
179 ? Jan 1962   3732       6658  
179 Feb 1962 Dec 1962       2837   6658  

180 Jan 1935 Jul 1961   3733       6674  
180 Sep 1961 Dec 1962   3733       6650  

196 Jan 1935 Jun 1960       2778     6697
196 Jun 1960 Dec 1964       2778     6697

197 Jan 1935 Jan 1941       2779     6698

198 Jan 1935 Jun 1960       2780     6699
198 Jun 1960 Dec 1962       2780   6670  

199 Jan 1930 Aug 1961   3736       6657  
199 Sep 1961 Dec 1962       2833   6657  

200 Jul 1930 Nov 1962   3737       6588  
Data compiled by Chris Tooth

Source: Maunsell's SR Steam Carriage Stock, David Gould.

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This page was created 21 December 2007

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