THE MARINE REVIzW TURBINE ON TEST STAND--CYLINDER BLADE RINGS. REMOVED to develop too great a proportion of the ahead power, the turbine becomes too long, with the attendant difficul- ties which this length involves. Fortunately, however, in. a geared ning astern, turbine installation it is not necessary since t to develop more than 40 to 45 per the turbine to cent of full power' ahead when run- mum value STAND--CYLINDER BLADE RINGS IN PLACE of rest, from he. Stantine = and reaches three a to stopping torque available for bringing maxi- four