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File:Flywheel of the Boulton-Watt steam engine (4803665199).jpg

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The flywheel is around 4 metres in diameter, fabricated from (I am guessing) cast iron pieces rivetted together. The scale can be seen in comparison with the stairs on the left.

This particular engine was installed in Whitbread's brewery in 1785, and clocked up 102 years' work.

More about it here:

Source flywheel of the Boulton-Watt steam engine
Author Newtown grafitti from Sydney, Australia


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current07:29, 11 March 2015Thumbnail for version as of 07:29, 11 March 20151,200 × 980 (447 KB)ColonialGridTransferred from Flickr via Flickr2Commons
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