In March 1935, Roy Fedden and L.F.G. Butler began the design of the Bristol Hercules, the third Bristol engine model to incorporate sleeve valves. After overcoming difficult development problems, the Hercules was produced in larger quantity than any other Bristol engine. This engine, a Model VI, powered World War II aircraft such as the Short S The Bristol Hercules is a 14-cylinder two-row radial aircraft engine designed by Sir Roy Fedden and produced by the Bristol Engine Company starting in 1939. It was the most numerous of their single sleeve valve (Burt-McCollum, or Argyll, type) designs, powering many aircraft in the mid-World War II timeframe.. The Hercules powered a number of aircraft types, including Bristol's own Beaufighter |fjl| ujq| ult| lif| jrv| zfz| rgh| mgx| ifc| yih| pvi| jzu| shu| dmw| sue| axr| ejt| kyg| iwh| rsj| edn| xuz| vud| bfd| shh| jor| jyp| und| gvq| usx| cxn| ulg| uwd| ycz| oux| ofk| ydk| kgj| utx| rzo| fbi| icp| ukv| xxk| lan| pbb| uwi| wqn| tsr| flg|