Below is a download link for location plan of trial pits 1 to 6
and a ground loop plan FOR SLINKIES (now redundant) following the site visit in February
Photographs of trial pits taken in late Feb
note about 450 mm of top soil and clay below that.
This is likely to be quite conductive and we estimate it at 30 watts per square m for heat production as it is mostly wet most of the time in winter. Water was ponding when the pits were dug out but had ‘dried’ out with a month of no rain
View of Trial Pit No1 South facing slope in field / front garden
Trial Pit No 1
Trial Pit No 2
View of trial pit No 3
Trial pit No. 3 close up – lots of clay water ponding from rain the night before
Trial Pit No. 4
View of Trial pit No 5
Trial pit No 5 with flash