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Starcross Atmospheric Pumping Station

The most complete surviving pumping station from Brunel's Atmospheric Railway, laid between Exeter and Newton Abbot.

Red Wheel Site:
Transport Mode(s):

Brunel Tower, Starcross Fishing and Cruising Club, Starcross, Devon, EX6 8PR

Visitor Centre:

About Starcross Atmospheric Pumping Station

When the Bristol and Taunton railway reached Exeter St Davids in May 1844, plans were were already in hand by the Plymouth, Devonport & Exeter Railway Company to continue the line down to Plymouth and beyond. I K Brunel was appointed as engineer in 1843 when the name was changed to the South Devon Railway. In July 1844, an Act of Parliament was obtained for its construction and work commenced.

The first consideration for Brunel was the route to be taken; despite warnings from others, he decided that the line would follow the west bank of the Exe estuary, hug the coast between Dawlish and Teignmouth, in parts tunnelling through headlands, while in other places it would run on a narrow strip between the English Channel and steep, red sandstone cliffs. From Teignmouth, the line would pass along the northern bank of the Teign estuary until it reached Newton Abbot. The line was to be single track, broad gauge and, most controversially, worked by the still experimental system of atmospheric propulsion.

Brunel proposed the single track, broad gauge line to save on engineering costs. Leaving St Davids, the line immediately crossed the River Exe on a wooden bridge to St Thomas which it crossed on a 548 yard viaduct, built by Samuda & Clegg, to clear the three main roads converging on the Exe Bridge. In St Thomas, a station by Cowick Street was built which would become the head quarters of the South Devon Railway Co. The station that we see today was built in 1861 when the track was twinned and the viaduct widened, as is evident by the two styles of stone work under the arches.

The line as far as Newton Abbot would be level, although, as since demonstrated, at the mercy of storm waves from the English Channel. Brunel was concerned that the current technology of the steam engine would prove to be inadequate for the steep gradients that the line would encounter beyond Newton Abbot as it approached Totnes, and later, as it skirted Dartmoor.

The choice of the atmospheric propulsion system was made after Brunel had seen the atmospheric Samuda and Clegg built Kingston & Dalkley Railway near Dublin in operation. Along with a test line at Croydon, the system had impressed Brunel for him to recommend it to the shareholders of the South Devon Railway. He believed that the system would be economical to build, save fuel, allow trains to ascend the steep gradients beyond Newton Abbot, give a silent, smooth and fast ride for the passengers, and would be clean, avoiding the smuts that plagued conventional railway systems.

The proposed system used a 381mm (15 in) pipe with a slit along the top that was covered with a flap valve to maintain an internal vacuum, positioned between the rails. The valve had an ox-hide leather seal which was greased, initially with lime soap and later with cod oil and soap. Pumping stations were constructed every three miles at Exeter St Davids (became a water tower), Countess Wear, Turf, Starcross (still exists), Dawlish, Teignmouth, Bishopsteignton and Newton Abbot. Each pumping station would evacuate the pipe of air, according to the timetable, which proved to be very wasteful if the train was no ready to leave the previous stop. Although the telegraph had been run along the line, it was not installed in the pumping stations - if it had, precious coal would have been saved.

Beneath the leading piston carriage hung a 4.6 m (15 ft) long piston shaped like a dumbbell, with small wheels outside the pipe, and before and after the piston, that opened and pressed close the iron and leather flap valve. The piston entered the end of the pipe from which the air had been evacuated, the brakes released, and pressure from the atmosphere would push the piston up the pipe, behind the vacuum created by the pumping engine. A small, supplementary vacuum pipe and piston to the side of the rail and between each section was used to haul the train with a rope to the next main section of vacuum pipe at stations.

The route as far as Teignmouth opened on 30th May 1846 with conventional engines and on the 22 December 1846 the first train, comprising of a large number of trucks, hauled by two engines, in total weighing 300 to 400 tonnes, reached Newton Abbot. On New Years Eve the line had been passed as safe by the Government inspector and the Sun Class locomotive, Antelope, left Exeter at 9.55 am and arrived at Newton at 10.45 am with its first passengers.

During 1846, the installation of the atmospheric system took place alongside the regular timetable to Teignmouth. On 25 February 1847 the first carriage with a piston attached was delivered at Exeter and a short test to Turf made on the same evening. Problems were apparent from the start, as the carriage, towing a locomotive proceeded very slowly due to water and dirt in the pipe.

The next day Brunel with Samuda made his first trip, although the middle section at Countess Wear needed a tow, as the pumping house was not working. Over the next few months, many problems became apparent to the engineers. The steam engines at the pumping houses were underpowered, and unreliable, due to poor workmanship, and the valve on the pipe was causing problems. It was not until the 16 August 1847 that the first atmospheric hauled train reached Teignmouth.

Two atmospheric trains per day left Exeter, for a return trip to Teignmouth on an experimental basis. Speeds as high as 45 mph were reached in the 40 minute journey, albeit, without a single passenger. Trials with trains hauling 120 tonnes were made and on one occasion, the 13.7 km (8.5 miles) journey from Exeter to Starcross took just 15 minutes. On 13 September, the public were allowed to ride on the train for the first time, when two trains per day were run. Gradually, conventional locomotives were withdrawn from service and the atmospheric system took over. By 17 December, atmospheric trains were reaching as far as Newton Abbot and on 23 February, 1848, the changeover was complete, and the worlds longest atmospheric railway was in full operation.

The valve in the pipe continued to give problems, and to keep the railway running a gang of men was employed full time to keep the valve well greased and free from leakage. In addition, the pumping engines, designed for 330 mm (13 in) pipes, were taking longer than expected to exhaust all the air from the pipe ready for a train. This along with the lack of a telegraph increased coal consumption, and costs. Despite this, the service was remarkably reliable until the winter of 1847-1848, when the severe cold froze the valve shut on several occasions, or it leaked due to cracking; on these days, a conventional locomotive was used to maintain the service.

By June 1848, the increased cost of coal, and maintenance, incurred a loss for the previous six months, of £2,487. The actual running cost was more than 7 pence per mile higher than a locomotive hauled railway. Brunel discovered that each pumping engine required almost three times the power that he first calculated to exhaust the pipe, primarily due to leakage. Plans were made to improve the system to prevent failure in the future and reduce running costs. A rubber valve was ordered, and the feasibility of galvanising the valve was investigated, to prevent corrosion. The cost was estimated at £1,160 per mile of some £25,000 in total.

However, by August, the directors of the railway were becoming impatient with Brunel, and indeed, Brunel was becoming disillusioned with the project. Brunel had submitted a verbal report to the directors on 1 August when he outlined the difficulties so far encountered with the system. He considered that virtually the whole of the valve would need replacing, a job that would take a year, and that the underpowered pumping engines would need a good deal of work to upgrade them. As a consequence, he did not recommend that the atmospheric working be extended beyond Newton Abbot, and recommended that the expense of putting the system right could not be justified, unless Samuda would guarantee the works.

On 29 August, the Board of the South Devon Railway Company decided that atmospheric working would cease on 9 September. From that date steam locomotives replaced the pumping houses, and the atmospheric equipment sold off. One pumping engine found its way to a lead mine near Ashburton, and some of the pipe was used to drain the marshes of Goodrington for the Dartmouth and Torbay Railway Company. The only reminder of Brunel's Atmospheric Caper is the engine house at Starcross. Nothing can be found of the pumping houses at Turf and Countess Wear, although the Exeter St David's pumping house had a water tower added to it before it was removed quite recently.

Brunel was heavily criticized by the board of the South Devon Railway, some of whom had questioned the fees that Brunel had negotiated. Brunel countered this charge by stating that he had reduced the fee for his workmen on the system, had not taken his own £6,000 fee and had lost £20,000 of his own money which had been invested in the venture.

The pumping station at Starcross remains as a striking landmark, and a reminder of the atmospheric railway - which is also commemorated in the name of the village pub. It was built in an Italianate style that was popular at the time. The two engines used to stand about 9.1 m (30 ft) high in the main part of the building though they have long since disappeared. The top of the chimney was removed as it presented a danger to the main railway line that runs along the top of the sea wall in the foreground. A section of the pipe, without the leather covers, is preserved in Didcot Railway Museum.

There were to have been eight pumping stations in all. The pumping house at Starcross is the most intact remaining and the building is now the property of Starcross fishing club. It is a Grade I Listed Building. The pumping houses at Totnes (see entry) and Torre are listed as Grade II and II* respectively.


The Red Wheel Heritage Plaque was erected in September 2020 during the Covid 19 pandemic. The formal unveiling ceremony  was conducted on Monday 27th September 2021 by The Earl of Devon supported by Lady Judy McAlpine, NTT President; Stuart Wilkinson, NTT Chairman; Chris Heaps, NTT Trustee and the President of the Starcross Fishing & Cruising Club

By car: On A 379 on the west side of the Exe estuary.

By rail: Adjacent to Starcross Railway Station.


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Vintage Spirit article October 2020 (with thanks to the Editor)

National Transport Trust, Old Bank House, 26 Station Approach, Hinchley Wood, Esher, Surrey KT10 0SR