A steam enginespec for TS19 and above for the LNER Class A3 pacifics fitted a double chimney in the 1950s. This spec uses real world ata ad will perform most accurately if used with Stovepipe's e-specs for British rolling stock. Thanks to the late Barrie Spence for his help and research.
  
   
    | kuid | author | kind | name | build | date | size | 
   
    | <kuid:203465:102426> | #203465 | profile | Endless Summer | 4.8 | 15.09.2025 0:47:10 | 195.1 kB | 
   
    | <kuid:325396:101020> | #325396 | map | ADL Railroad 5 NORTHv1.152 | 4.9 | 30.08.2025 3:23:42 | 5.9 MB | 
   
    | <kuid:325396:101021> | #325396 | profile | ADL Railroad 5 NORTHv1.152 - Default | 4.9 | 30.08.2025 3:25:03 | 302.8 kB | 
   
    | <kuid:325396:101173> | #325396 | map | ADL R5 NORTH - COAST LINE v1.10 | 5 | 29.08.2025 11:45:00 | 1.7 MB | 
   
    | <kuid:325396:101174> | #325396 | profile | ADL R5 NORTH - COAST LINE v1.10 - Default | 5 | 29.08.2025 11:45:47 | 126.0 kB | 
   
    | <kuid:325396:101367> | #325396 | map | ADL R5 NORTHERN COASTAL V2.1 | 5 | 29.08.2025 7:32:16 | 1.8 MB | 
   
    | <kuid:325396:101368> | #325396 | profile | ADL R5 NORTHERN COASTAL V2.1 - Default | 5 | 30.08.2025 3:13:58 | 503.7 kB | 
   
    | <kuid2:358971:100075:9> | #358971 | profile | Midsomer Valley Railway TRS22 Preserved Steam Multiplayer V9 | 5.4 | 1.10.2025 0:53:21 | 2.3 MB | 
   
    | <kuid2:403746:2044:11> | #403746 | traincar | LNER Gresley A3 Humorist Prewar | 3.5 | 25.10.2021 20:24:32 | 8.8 MB | 
   
    | <kuid2:403746:2044:12> | #403746 | traincar | LNER Gresley A3 Humorist Prewar | 4.6 | 14.05.2023 16:08:48 | 16.5 MB | 
   
    | <kuid2:403746:2046:11> | #403746 | traincar | LNER Gresley A3 Humorist Wartime Black | 3.5 | 18.10.2021 19:12:12 | 7.7 MB | 
   
    | <kuid2:403746:2046:12> | #403746 | traincar | LNER Gresley A3 Humorist Wartime Black | 4.6 | 14.05.2023 16:10:03 | 15.7 MB | 
   
    | <kuid2:403746:2054:11> | #403746 | traincar | BR Gresley A3 LHD Green Double Chimney | 3.5 | 18.10.2021 19:12:56 | 7.7 MB | 
   
    | <kuid2:403746:2054:12> | #403746 | traincar | BR Gresley A3 LHD Green Double Chimney | 4.6 | 11.05.2023 20:51:12 | 15.6 MB | 
   
    | <kuid2:403746:2055:11> | #403746 | traincar | BR Gresley A3 LHD Green Double Chimney Smoke Deflectors | 3.5 | 23.01.2021 12:34:27 | 8.2 MB | 
   
    | <kuid2:403746:2055:12> | #403746 | traincar | BR Gresley A3 LHD Green Double Chimney Smoke Deflectors | 4.6 | 11.05.2023 20:48:17 | 16.5 MB | 
   
    | <kuid2:403746:2056:11> | #403746 | traincar | LNER Gresley A3 Flying Scotsman - Deflectors | 3.5 | 24.06.2020 9:14:18 | 9.3 MB | 
   
    | <kuid2:403746:2056:12> | #403746 | traincar | LNER Gresley A3 Flying Scotsman - Deflectors | 4.6 | 11.05.2023 22:42:53 | 17.2 MB | 
   
    | <kuid2:403746:2056:13> | #403746 | traincar | LNER Gresley A3 Flying Scotsman - Deflectors | 4.6 | 14.08.2025 16:42:51 | 17.8 MB | 
   
    | <kuid2:403746:2057:11> | #403746 | traincar | LNER Gresley A3 Flying Scotsman - 2016 Wartime Black | 3.5 | 18.10.2021 19:13:48 | 7.8 MB | 
   
    | <kuid2:403746:2057:12> | #403746 | traincar | LNER Gresley A3 Flying Scotsman - 2016 Wartime Black | 4.6 | 14.05.2023 16:11:21 | 15.8 MB | 
   
    | <kuid2:403746:2102:11> | #403746 | traincar | LNER Gresley A3 Humorist Postwar | 3.5 | 24.07.2020 19:27:04 | 8.7 MB | 
   
    | <kuid2:403746:2102:12> | #403746 | traincar | LNER Gresley A3 Humorist Postwar | 4.6 | 14.05.2023 16:26:30 | 16.9 MB | 
   
    | <kuid2:403746:2103:11> | #403746 | traincar | BR Gresley A3 Humorist Apple Green | 3.5 | 17.01.2021 0:44:20 | 8.7 MB | 
   
    | <kuid2:403746:2103:12> | #403746 | traincar | BR Gresley A3 Humorist Apple Green | 4.6 | 14.05.2023 16:27:17 | 16.9 MB | 
   
    | <kuid2:403746:2104:11> | #403746 | traincar | BR Gresley A3 Humorist Express Blue | 3.5 | 17.01.2021 0:42:10 | 8.3 MB | 
   
    | <kuid2:403746:2104:12> | #403746 | traincar | BR Gresley A3 Humorist Express Blue | 4.6 | 14.05.2023 16:28:04 | 16.6 MB | 
   
    | <kuid2:403746:2105:11> | #403746 | traincar | BR Gresley A3 Humorist BR Green | 3.5 | 17.01.2021 0:39:53 | 8.0 MB | 
   
    | <kuid2:403746:2105:12> | #403746 | traincar | BR Gresley A3 Humorist BR Green | 4.6 | 14.05.2023 16:28:49 | 16.4 MB | 
   
    | <kuid:623240:100360> | #623240 | map | British Midlands TRS19 British Railways | 4.8 | 5.09.2025 10:06:58 | 1.6 MB | 
   
    | <kuid:623240:100362> | #623240 | profile | British Midlands TRS19 British Railways - MP | 4.8 | 5.09.2025 10:10:37 | 292.7 kB | 
   
    | <kuid:623240:100366> | #623240 | map | British Midlands TRS19 British Railways V2 | 4.8 | 5.09.2025 6:45:47 | 1.6 MB | 
   
    | <kuid:623240:100368> | #623240 | profile | British Midlands TRS19 British Railways V2 - MP | 4.8 | 5.09.2025 6:45:37 | 296.2 kB | 
   
    | <kuid:623240:100381> | #623240 | map | Hawes Junction TRS19 | 4.8 | 16.09.2025 15:23:52 | 11.2 MB | 
   
    | <kuid:623240:100383> | #623240 | profile | Hawes Junction TRS19  - MP | 4.8 | 20.09.2025 14:03:49 | 142.5 kB | 
   
    | <kuid:623240:100531> | #623240 | profile | Hawes Junction TRS19  - MP V2 | 5 | 16.09.2025 15:23:42 | 156.9 kB | 
   
    | <kuid:623240:100673> | #623240 | map | Hawes Junction TRS19 V2 MP | 5 | 16.09.2025 12:03:47 | 11.2 MB | 
   
    | <kuid:623240:100675> | #623240 | profile | Hawes Junction TRS19 V2 MP - MP+AI | 5 | 20.09.2025 4:21:45 | 213.3 kB | 
   
    | <kuid:623240:100889> | #623240 | profile | Little Valley Railway 2 TRS19 - MP 2 | 5 | 26.09.2025 1:32:01 | 627.0 kB | 
   
    | <kuid:876170:101421> | #876170 | map | East London commuters | 4.8 | 14.09.2025 23:56:17 | 4.4 MB | 
   
    | <kuid:985372:100001> | #985372 | profile | Hawes Junction TRS19 V2 MP - MP v2 | 5 | 16.09.2025 12:03:37 | 211.8 kB | 
   
    | <kuid:985372:100014> | #985372 | map | Hawes Junction TRS19 v3 | 5 | 16.09.2025 11:51:38 | 11.2 MB | 
   
    | <kuid:1128457:100043> | #1128457 | map | Mold and Denbigh branchline V2 [with ttte] | 5.5 | 30.09.2025 18:55:00 | 7.8 MB |