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Photographs of the Pelton Wheel and Hydroelectric at Penmaenuchaf, North Wales


Unfortunately, the hydroelectric dynamo that would have been situated in the Engine Shed cabin, was removed prior to my grandparents acquiring Penmaenuchaf in 1978, and I have no knowledge of its fate. However, the pelton wheel, water pipes and various other paraphenalia still remain in situ. Many years ago my uncle managed to get the pelton wheel going.
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Hydroelectric engine shed at Penmaenuchaf. 
(image preview link - please click to view large picture) Picture of the Engine Shed that once housed the electricity generator at Penmaenuchaf. Photograph taken in 2007.
Hydroelectric drive wheel. 
(image preview link - please click to view large picture) Drive wheel for attaching drive belt connected to dynamo within the engine Shed.
Side view of Penmaenuchaf pelton wheel 
(image preview link - please click to view large picture) Side view of pelton wheel showing inlet pipe at bottom of wheel.
Close up of pelton wheel cups. 
(image preview link - please click to view large picture) Close up of pelton wheel cups.
Thomas and Bishop drive belts. 
(image preview link - please click to view large picture) Thomas and Bishop drive belts were used to transmit the power from the pelton wheel to the dynamo inside the Engine Shed.
Insulated power line brackets on west end of Engine Shed. 
(image preview link - please click to view large picture) Insulated power line brackets and connectors below eave on western end of the Engine Shed.
Glass accumulator battery jars. 
(image preview link - please click to view large picture) Glass accumulator battery jars. The last few remaining. These would have contained lead plates and acid.
Dynamo mounting blocks inside Penmaenuchaf's hydroelectric engine shed. 
(image preview link - please click to view large picture) Dynamo mounting blocks inside hydro electric engine shed.
Drake and Gorham electricity generator log book, 1916. 
(image preview link - please click to view large picture) Drake and Gorham electricity generator log book showing output week ending 12 March 1916. Total voltage for 53 cells 132 volts.
A submerged brass stopcock reached from the pier opens the water supply to the Engine Shed. 
(image preview link - please click to view large picture) Reservoir water outlet pier. A submerged brass stopcock reached from the pier opens the water supply to the Engine Shed.
Reservoir water outlet pier fully exposed during a drought. 
(image preview link - please click to view large picture) Reservoir water outlet pier fully exposed during a drought. The pier foundation comprises of engineering brickwork.
Close-up photo of stopcock at Penmaenuchaf reservoir. 
(image preview link - please click to view large picture) Close-up photo of stopcock at Penmaenuchaf reservoir. Opening the valve would release water into the hydroelectric system.
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