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Rev. George Marie Capell (c1845-1915).
Inventor of the Capell fan.
Was he connected with the Capell Fan Co?
1883 G. M Capell of Passenham Rectory, Stony Stratford.
George Marie Capell of Newcastle-upon-Tyne and Passenham, London (1897).
The Capell fan 'differed from all previous fans by having two series of blades, inner and outer, separated by a curved blank piece between the inner wings, dipping into the fan inlet and the outer wings, and having an expanding casing, and a wide hopper-shaped chimney. The first of these fans at Waliswood Colliery, near Rotherham, marked an epoch in mine ventilation. The fan was 10 feet diameter by 8 feet wide, and had two inlets 5 feet 6 inches diameter. At 210 revolutions this fan gave:— Cubic feet per minute, 105,000 ; water gauge, 3.25; or 55 per cent. manometric effect. The useful effect reached 88 per cent. horse-power in the air compared with indicated horse-power. ....
1915 Read his Obituary in The Engineer 1915/02/19, page 178.