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{{Unreferenced|date=December 2009}} {{notability|date=July 2024}}
{{Use dmy dates|date=December 2016}}
{{Use British English|date=December 2016}}
{{Infobox Locomotive {{Infobox Locomotive
|name = Clayton DHP1 |name = Clayton DHP1
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|caption = |caption =
|builder = ] |builder = ]
|builddate = 1965 |builddate = 1962-1963
|serialnumber = 4337U1
|transmission = Hydraulic
|totalproduction = 1
|transmission = ]
|gauge = {{Track gauge|ussg|allk=on}}
|uicclass = B'B' |uicclass = B'B'
|Britishclass = B-B
|locoweight = {{Convert|56|LT}}
|topspeed = {{Convert|90|mph|abbr=on}} |wheeldiameter = {{convert|3|ft|3+1/2|in|m|3|abbr=on}}
|minimumcurve = {{convert|4|chain|ft m|lk=in}}
|primemover = Rolls-Royce, 2 off
|trainbrakes = ]
|poweroutput = {{Convert|750|hp|abbr=on|lk=in}} × 2
|wheelbase = {{convert|34|ft|0|in|m|2|abbr=on}}
|railroad = ]
|length = {{convert|46|ft|3+1/2|in|m|2|abbr=on}}
|width = {{convert|9|ft|0|in|m|2|abbr=on}}
|height = {{convert|12|ft|6|in|m|2|abbr=on}}
|locoweight = {{Convert|56|LT|t ST}}
|maxspeed = {{Convert|90|mph|abbr=on}}
|primemover = ], 4 off
|poweroutput = ''Engines:'' {{Convert|375|hp|abbr=on|lk=in}} at 1,800 ] × 4<br>''At rail:'' {{Convert|1200|hp|abbr=on|lk=in}}
|tractiveeffort = ''Maximum:'' {{convert|37500|lbf|kN|sigfig=3|abbr=on|lk=on}}
|fuelcap = {{convert|600|impgal|abbr=on}}
|trainheating = ]
|multipleworking = Not fitted
|operator = ]
|disposition = Scrapped |disposition = Scrapped
|notes = <ref name=mtld>{{cite web |url=http://www.therailwaycentre.com:80/trc_new_logos/MTLD%20advert-web.pdf |title=The Complete UK Modern Traction Locomotive Directory |last= |first= |date=1 November 2011 |website=www.therailwaycentre.com |publisher= |access-date=28 September 2024 |quote= |archive-date=24 July 2011 |archive-url=https://web.archive.org/web/20110724164205/http://www.therailwaycentre.com:80/trc_new_logos/MTLD%20advert-web.pdf }}</ref>{{Additional citations needed|date=September 2024|reason=The archived PDF did not give all the details in the infobox and might even contradict it.}}
}} }}
'''DHP1''', meaning '''D'''iesel '''H'''ydraulic '''P'''rototype number '''1''', was a prototype '''Type 3''' mainline diesel locomotive built in 1965 by Clayton to demonstrate their wares to ]ways. It was designed for mixed traffic work, being equipped with steam heating facilities for working passenger trains. It was painted red, with the cab area above bonnet-level height painted cream. '''DHP1''', meaning '''D'''iesel '''H'''ydraulic '''P'''rototype number '''1''', was a prototype '''Type 3''' mainline diesel locomotive built between 1962 and 1963 by ] to demonstrate their wares to ]ways.<ref>{{Cite news |date=January 2021 |title=Clayton Building on Success |url=https://claytonequipment.co.uk/wp-content/uploads/2018/02/Railways-Illustrated-Magazine.pdf |work=] |pages=50–51}}</ref> It was designed for mixed traffic work, being equipped with steam heating facilities for working passenger trains.{{Citation needed|date=September 2024}} It was painted red, with the cab area above bonnet-level height painted cream.


Visually similar to their ] Type 1 product, though longer, it was similarly unsuccessful and was scrapped where it was built having done very little work, mainly for ] in a limited area around ]. Visually similar to their ] Type 1 product, though longer, and with the radiator grilles in the ends of the engine covers rather than the sides. The locomotive saw little service, mainly around the ] works in ]. The locomotive was broken up by Clayton's in April 1967.<ref name=mtld/>

==References==
{{reflist}}

== External links ==
*


{{British Rail Locomotives}} {{British Rail Locomotives}}
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{{DEFAULTSORT:British Rail Dhp1}} {{DEFAULTSORT:British Rail Dhp1}}
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Latest revision as of 10:23, 29 October 2024

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Clayton DHP1
Type and origin
Power typeDiesel-hydraulic
BuilderClayton Equipment Company
Serial number4337U1
Build date1962-1963
Total produced1
Specifications
Configuration:
 • UICB'B'
 • CommonwealthB-B
Gauge4 ft 8+1⁄2 in (1,435 mm) standard gauge
Wheel diameter3 ft 3+1⁄2 in (1.003 m)
Minimum curve4 chains (260 ft; 80 m)
Wheelbase34 ft 0 in (10.36 m)
Length46 ft 3+1⁄2 in (14.11 m)
Width9 ft 0 in (2.74 m)
Height12 ft 6 in (3.81 m)
Loco weight56 long tons (57 t; 63 short tons)
Fuel capacity600 imp gal (2,700 L; 720 US gal)
Prime moverRolls-Royce C8TFL, 4 off
TransmissionHydraulic
MU workingNot fitted
Train heatingSteam
Train brakesVacuum
Performance figures
Maximum speed90 mph (140 km/h)
Power outputEngines: 375 hp (280 kW) at 1,800 rpm × 4
At rail: 1,200 hp (890 kW)
Tractive effortMaximum: 37,500 lbf (167 kN)
Career
OperatorsBritish Railways
DispositionScrapped

DHP1, meaning Diesel Hydraulic Prototype number 1, was a prototype Type 3 mainline diesel locomotive built between 1962 and 1963 by Clayton to demonstrate their wares to British Railways. It was designed for mixed traffic work, being equipped with steam heating facilities for working passenger trains. It was painted red, with the cab area above bonnet-level height painted cream.

Visually similar to their Class 17 Type 1 product, though longer, and with the radiator grilles in the ends of the engine covers rather than the sides. The locomotive saw little service, mainly around the International Combustion works in Derby. The locomotive was broken up by Clayton's in April 1967.

References

  1. ^ "The Complete UK Modern Traction Locomotive Directory" (PDF). www.therailwaycentre.com. 1 November 2011. Archived from the original (PDF) on 24 July 2011. Retrieved 28 September 2024.
  2. "Clayton Building on Success" (PDF). Railways Illustrated. January 2021. pp. 50–51.

External links

British railway locomotives and miscellany, 1948 to present
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