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Aviation History
1936
1936 - 0574.PDF
Flight, March 5, 1936. 249 READING AND WRITING ROOM STEWARD5 ROOM described in Flight a few weeks ago), with a very small angle between the cylinder blocks. The engines have a bore of 175 mm. and a stroke of 230 mm., and overhead camshafts operate four valves in each cylinder. The engines run at 1,400 r.p.m. and a 2 : 1 reduction gear gives an airscrew speed of 700 r.p.m. Four-bladed wooden air screws are fitted. The L.Z.129 has an overall length of 813ft., a maximum height of 146ft. 8in., and a maximum diameter of 135ft. 2in. The gas capa city is 7,062,951 cu. ft. maximum and 6,709,804 cu. ft. normal. The gross lift is estimated at 471,788 lb., which corresponds to a'lift of 67.5 lb. per 1,000 cu. ft. of hydrogen, based upon a capacity of seven million cu. ft. in round figures. The calculated maxi mum speed is 84 m.p.h., and the cruis ing speed 78 m.p.h. With all fuel tanks full, the weight of fuel oil car ried is 143,300 lb. In addition to the 50 passengers, the L.Z.129 will carry a crew of 40. In the layout of the passenger accommodation several innovation are to be found. Instead of the various salons and cabins with a total accom modation for twenty-four passengers, we new airship has the accommodation arranged on two decks, of which the upper or " A " deck is the larger and contains on one side the large dining room and on the other the lounge and reading and writing room. In the centre of this deck are situated the vemy-flve bedrooms, each containing J° berths' cupboards, wash basin and On the lower, or " B " deck, are the ship's office, the kitchen, the shower bath, the lavatories and the smoking room. The last-named is an innovation on an air ship and has been made possible by mak ing it airtight and so entirely separated from any other part of the airship in which there might be faint traces of hydrogen. The door to the smoking room is, of course, airtight, and the pas sengers can open it only to enter the smoking room. When they wish to leave it is necessary to get a steward to open it for them. This precaution has been taken to avoid the chance of an absent- minded passenger walking out of the smoking room with a lighted cigarette in his hand! Inside the smoking room it self, every care is taken to avoid any possible fire risk. The walls are covered with leather and not fabric, and the ash trays are so arranged that when a cigar ette stump is dropped into them they automatically close and cause the cigar ette to go out. Rooms with a View All the day rooms in the airship are provided with very large sloping windows through which a very fine view of the surrounding scenery is obtained. To enable passengers to get close to the win dows on the upper deck, the floor beams have been extended beyond the sides of the hull, the structure being, of course, enclosed in a bulge or " blister." In the kitchen all cooking, heating and cooling is done by electricity, the current for which, and for lighting and ventilat ing the airship, is produced by two 50 h.p. diesel engines situated in the generating room amidships, which is entirely separated from the rest of the hull by air tight walls and ceiling. From the kitchen a lift runs to the sideboard in the dining room, and for the use of stewards there are narrow ladders connecting the kitchen and dining room. Crew's quarters are located on each side of the lower " cat walk " towards the bows, but separate messes for galley, with cooking and refrigeration by electricity.
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