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HER Number:MDV106852
Name:Wheelpit in Redwater Valley, above Challacombe


Early 20th century wheelpit associated with buddles at Redwater. Surveyed in 2013.


Grid Reference:SX 688 791
Map Sheet:SX67NE
Admin AreaDartmoor National Park
Civil ParishManaton
Civil ParishWidecombe in the Moor
Ecclesiastical ParishMANATON

Protected Status

Other References/Statuses

  • National Monuments Record: 915206

Monument Type(s) and Dates

  • WHEEL PIT (XX - 1920 AD to 1927 AD (Between))

Full description

Pattison, P., 1990, Field investigation, 15/06/1990 (Report - Survey). SDV356547.

SX 6877 7912. Rectangular stone wheelpit of rough-coursed, mortared granite stones and boulders built crudely on the outside but more carefully lined inside. It is built partly above ground on a slight slope, its masonry 0.2 metres high uphill and 0.75 metres downhill. Internally the pit is 3.15 metres long, 0.15 metres wide and at least 1.2 metres deep. Decaying, dismantled iron fittings, probably from the wheel and buddles, have been thrown into the pit. The long side top surfaces have opposed concrete impressions each with two bolt fixings to secure the wheel axle and bearings.
The wheel was attached by rods and simple gearing to a central cone or "spreader" from which radiated horizontal brushes across the buddle floor. The wheel's motion was transferred to rotate the cone and brushes which graded the tin slurry after it was poured over the cone via a wooden launder. When the water had run off the tin concentrate could be dug out from the buddle floor.
Leats supplying both buddles and wheel survive just outside to both east and west (see related records).

Agricultural Development Advisory Service, 1991, Challacombe Farm Postbridge, Devon (Duchy Farms Project), 29, Map D1 (Report - Assessment). SDV356546.

Tin treatment plant comprising a rectangular wheelpit and several buddles.

English Heritage, 2005, Industrial Survey Information (Report - Survey). SDV346396.

Depicted on the survey data.

GeoInformation Group Ltd, 2010, 1:625 2010 Colour (12.5cm resolution) (Aerial Photograph). SDV346026.

Wheelpit visible on aerial photograph.

Welch, B. + Welch, T., 2014, 1:100 survey of the Redwater wheel pit and buddles (Plan - measured). SDV356560.

Sources / Further Reading

SDV346026Aerial Photograph: GeoInformation Group Ltd. 2010. 1:625 2010 Colour (12.5cm resolution). 2010 Aerial Photographs. Digital. [Mapped feature: #66362 ]
SDV346396Report - Survey: English Heritage. 2005. Industrial Survey Information. English Heritage. Digital.
SDV356546Report - Assessment: Agricultural Development Advisory Service. 1991. Challacombe Farm Postbridge, Devon (Duchy Farms Project). Agricultural Development Advisory Service. A3 Comb Bound. 29, Map D1.
SDV356547Report - Survey: Pattison, P.. 1990. Field investigation. Royal Commission for the Historical Monuments of England Archaeological Survey. Digital. 15/06/1990.
SDV356560Plan - measured: Welch, B. + Welch, T.. 2014. 1:100 survey of the Redwater wheel pit and buddles. 1:100. A4 Single Sheet.

Associated Monuments

MDV53013Part of: Tin mill in Redwater Valley, above Challacombe (Monument)
MDV106851Related to: Buddles in Redwater Valley, above Challacombe (Monument)
MDV106853Related to: Leat in Redwater Valley, above Challacombe (Monument)
MDV106854Related to: Leats in Redwater Valley, above Challacombe (Monument)
MDV106846Related to: Streamworks west of Challacombe Down (Monument)

Associated Finds: none recorded

Associated Events

  • EDV6476 - The Redwater wheel pit and buddles

Date Last Edited:Apr 29 2014 3:33PM