The Civil engineer and architect's journal, scientific and railway gazette . ystrong for pressing the shaft into the propeller, and backing iS THE CIVIL ENGINEER AND AUCHITECTS JOURNAL. [FEBBnARY, astern. An aftei--bearin;^ for the sliaft may be fnrmeil by thenietal-i-dil e, set up with a screw to tlie stern ; wliich rod wouhlalso form an additional stop for the propeller on the shaft in back-ing astern. Or a rod nii^ht be attaclied to the upper and after-part of the lioistinii-franie, and set u]) with a screw to the vesselsstern ; and a small rod may be a|iplied at the aft-side of tlie hoist-
The Civil engineer and architect's journal, scientific and railway gazette . ystrong for pressing the shaft into the propeller, and backing iS THE CIVIL ENGINEER AND AUCHITECTS JOURNAL. [FEBBnARY, astern. An aftei--bearin;^ for the sliaft may be fnrmeil by thenietal-i-dil e, set up with a screw to tlie stern ; wliich rod wouhlalso form an additional stop for the propeller on the shaft in back-ing astern. Or a rod nii^ht be attaclied to the upper and after-part of the lioistinii-franie, and set u]) with a screw to the vesselsstern ; and a small rod may be a|iplied at the aft-side of tlie hoist-in^-frauie, for iriscrtintt a forelock in the end of the sliaft, to securethe pr()i)eller iji I)ackiufr astern, which forelock would revolve withthe shaft on the pin at ,r. The surface of tlie rudder may be aslar^e as that of the innnersed part of the common rudder, althoui;h!is the pressure of the water on such a rudder would be once and ahalf as great as on the common rudder, a nnich smaller surfacewould be sufficient for steerinjj, and the lower part might be A large and very strongly formed rudder-band is fitted at theui)i)er p.^rt of the rudder, with a large hole through it, of a square,hexagimal, or other form, into which the rudder-head r is fittedf(U- turning the rudder ; the lower rudder-bands might also heformed similarly, and the braces fitted with an internal ring, thattiie rudder-head being extended downward as a substitute for therudder-pins, may revolve in the braces, whilst it is fixed in therudder-bands for turning the rudder. The rudder-head above theupper rudder-baud is cylindrical, and ))asses through a metal cylin-der with a stuffing-box-. It then surrounds the propeller-shaft sothat the rudder may turn sufficiently in steering; and it extendsto any convenient height to receive the tiller. Slu)uld the rudderbe carried away a temporary rudder could be applied, by taking upthe propeller, using sails only, and liaving the temporary rudderprepared wi
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Keywords: ., boo, bookcentury1800, booksubjectarchitecture, booksubjectscience
