Show Bl Big Dirigibles May Pump Ballast From the Ocean I CLEVELAND Huge transoceanic transoceanic transoceanic trans trans- oceanic airships of the future maybe may maybe be able to pump ballast from the ocean while traveling at top speed high above the water says Navy Capt C. C V. V S S. S Knox of the Goodyear Goodyear Good Good- year Aircraft corporation Hydrogen-filled Hydrogen dirigibles have been equipped to valve oft off enough gas to counteract the loss of weight of fuel Cuel consumption but the helium in American airships has been too valuable to discharge he said The naval officer reported a blimp has been cruising over overLake overLake overLake Lake Erie Eric for tor several weeks taking on ballast via an electric pump in fn a torpedo-shaped torpedo fish trailing in the water The experiments experiments I ments have been successful he said |