GB116914A - A Flying Machine. - Google Patents

Abstract

116,914. Roots, J. D. June 19, 1917. Aerial machines without aerostats; propelling.- A propelling- apparatus for ornithopter machines comprises a pair of shafts rotated in opposite directions and each carrying an obliquelyarranged disk rotating freelv within a carrier to which the wing is secured. Fig. 1 shows the two disks A, A' mounted on shafts C, C' and rotating within carriers G fixed to the wing spars 1. The two carriers are connected together by links M, or each may be connected by a link to the frame of the machine. The shafts are rotated in opposite directions by wheels J, J<1> engaging a worm L on the engine shaft. Several engines may be arranged behind one another with their shafts fore and aft and with a pair of wings in front and a pair behind each engine. Clutches may be provided between contiguous engines and on the wing shafts. The pair of wings, at one end of an engine may be 90 or 180 degrees in advance of the pair at the other end. In a modification, the disks A, A<1> are formed with double flanges at their peripheries embracing single flanges on the carriers. Specification 6418/09 is referred to. Steering and balancing.-The leading or other engine and wings may be bodily adjustable so as to alter the angles of incidence of the wings. Planes, construction of.-The rear portion of a wing is made flexible and may be composed of two or more strips of steel I<4>. I<5>, Fig. 4, arranged at intervals along the wing and covered with canvas, &c.