Show new rigid airship Is speedy in the latest rigid airship MO R 80 as developed by the vickers people particular attention was given to the elimination of unnecessary head resistance si and the cutting down of weight and the builders have produced in R SO a ship of only VV 1 million cubic feet capacity whose performance for mance in speed and endurance Is equal to that of RW and R 34 4 which have a capacity of two million cubic feet the overall length of it SO 80 la Is foet feet its diameter Is 70 feet and its height 85 feet the total gross lift Is tons at sea level and the disposable lift Is tons at full power tle the estimated speed Is over sixty miles per hour and the cruising radius at this speed Is four thousand miles and sixty alre hundred miles at fifty miles an hour scientific american |