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  • Sentinel Steam Loco 7109: 2015

    Dec 21, 2015 · On a Sentinel locomotive such as 7109, Steam or Cylinder oil is injected into the superheated steam supply as a means of lubricating the engines' cylinders. As the steam supply is at boiler pressure, the oil needs to be injected under pressure and that pressure is generated by a mechanical lubricator.Get Price

  • 10 images tagged with 'Sentinel locomotive' :: Geograph

    Ribble Steam Railway - Sentinel locomotive by Chris Allen for square SD5029. This is Gasbag - a sentinel vertical boiler locomotive with chain drive between (more) Tags: top: Sentinel steam locomotive 7109 by Jonathan Thacker for square ST6653. At Midsomer Norton. Built by the Sentinel Waggon Works in 1927Get Price

  • S&drht • sdjr.co.uk

    REQUEST TO REMOVE Sentinel Steam Loco 7109: 100 HP Sentinel Locos Sunday 15th April 2012 saw Sentinel 7109's superheater and boiler top-plate assembly lifted down through the cab roof and installed in its place on top of the boiler. REQUEST TO REMOVE Two Tunnels Greenway.Get Price

  • Sentinel Industrial Locomotives Ltd – Preserved British

    In 1925 the Sentinel Industrial Locomotives Ltd was established as a separate company, with its office in Chester and Arthur Thomson as Assistant General Manager. This activity was merged with that of the Railway Department in Shrewsbury in 1928. As opposed to the conventional steam locomotive transmission Sentinel locomotives have a boiler Get Price

  • Phil's Workbench: Steam tram

    Apr 16, 2021 · That limits the electric trams use as moving models, but there is another in the range - this attractive steam tram. Tram number 12 is 70mm long and 25mm wide. The small boiler, only 25mm above rail level, doesn't provide a lot of space to fit a motor, but this is narrow gauge, and I suspect an N gauge Tomytec mechanism could be squeezed in.Get Price

  • Sentinel Steam Loco 7109

    Feb 27, 2020 · Steam Heating (3) Following on from Steam Heating (2), I've fitted the carriage warming equipment to Sentinel 7109 ready for a steam test with a train in a few days time. I began with the boiler connection and isolating valve. Isolating valve plumbed into the boiler orifice. Having removed the boiler orifice plug and cleaned out the threads, I Get Price

  • Sentinel Steam Loco 7109: Boiler feed pumps

    Sentinel Steam Loco 7109 Boiler feed pumps The boiler is fed with water during loco movement by a pair of reciprocating pumps, one attached to each engine. Front engine and boiler feed pump An additional cab-mounted pump can fill the boiler whilst stationary. Early pictures of 7109 show a reciprocating "Weir" pump in the off-side cab window ledge.Get Price

  • Vertical Boiler Locomotives - Douglas Self

    Left: Sentinel vertical-boiler locomotive: 1927. This Sentinel locomotive is the former Croydon Gasworks No. 37 Joyce, built in 1927 with Works No 7109. It is under restoration at the Somerset & Dorset Railway Heritage Trust at Midsomer Norton railway station. You can read about the restoration here. Sentinel locomotives often had this peculiar Get Price

  • Category:Sentinel steam locomotives - Wikimedia Commons

    Sentinel boilers‎ (9 F) 7. Sentinel steam locomotive 7109 ''Joyce''‎ (16 F) 8. Sentinel steam locomotive 8024 Gasbag‎ (4 F) 9. Sentinel steam locomotive 9537 Susan‎ (3 F) Sentinel steam locomotive 9629 Frank Galbraith‎ (4 F) S. Sentinel-Cammell steam locomotives‎ (9 F)Get Price

  • Flexible Boiler Mallet Locomotives Douglas Self

    Sentinel Steam Loco 7109: 7109 vs Radstock Sentinels. For reduced cab height, the Radstocks bent their whistle forwards on the cab top whereas 7109 had a vertical whistle on the cab front. 7109 has a cab-mounted boiler feed pump, the Radstocks had an injector. The Radstock Sentinels …Get PriceGet Price

  • Phil's Workbench: Genius at the Midlands Model Engineering

    Oct 19, 2012 · The thing is a Sentinel-Doble machine. The "Doble" bit comes from Abner Doble an american engineer who designed and developed steam engines primarilly for automotive applications. The original locomotive was a twin (double) engined device with 2 x 150 hp Doble engines - one per axle. The boiler was oil fired and worked at 1500psi !!Get Price

  • Flexible Boiler Mallet Locomotives Douglas Self

    Sentinel Steam Loco 7109: 7109 vs Radstock Sentinels. For reduced cab height, the Radstocks bent their whistle forwards on the cab top whereas 7109 had a vertical whistle on the cab front. 7109 has a cab-mounted boiler feed pump, the Radstocks had an injector. The Radstock Sentinels …Get PriceGet Price

  • Phil's Workbench: Malcolm Mills Isle of Man loco kit

    Aug 31, 2018 · An Isle of Man loco kit I'd never heard of? Found in among some second-hand goodies for sale at the Groudle Glen Railway a few weeks ago, I snapped it up for a tenner just to know more about it. Back home, looking inside the bag, I find a plastic boiler unit along with side tanks and cab from the same material.Get Price

  • Flexible Boiler Mallet Locomotives Douglas Self

    Sentinel Steam Loco 7109: 7109 vs Radstock Sentinels. For reduced cab height, the Radstocks bent their whistle forwards on the cab top whereas 7109 had a vertical whistle on the cab front. 7109 has a cab-mounted boiler feed pump, the Radstocks had an injector. The Radstock Sentinels …Get PriceGet Price

  • Sentinel Steam Loco 7109: Sentinel 7109's Cab-Mounted

    Jun 14, 2011 · Sentinel Steam Loco 7109 Tuesday, 14 June 2011 Sentinel 7109's Cab-Mounted Boiler Feed Pump (BFP) (If you want to skip to the video, click here ). A replacement twin-cylinder Worthington-Simpson boiler feed pump was purchased from Richard Vincent of Vincent Engineering at Henstridge Airfield, Templecombe, Somerset. WS Boiler Feed Pump as foundGet Price

  • Vertical Boiler Locomotives - Douglas Self

    Left: Sentinel vertical-boiler locomotive: 1927. This Sentinel locomotive is the former Croydon Gasworks No. 37 Joyce, built in 1927 with Works No 7109. It is under restoration at the Somerset & Dorset Railway Heritage Trust at Midsomer Norton railway station. You can read about the restoration here. Sentinel locomotives often had this peculiar Get Price

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