~Maximum length~, 259 feet (79 m.) ~maximum diameter~, 49-3/4 feet (15.20 m.) ~volume~, 300,750 c. feet (8,800 m cubed.) ~Total lift.~-- ~Gas bags.~-- ~Motors.~--2 N.A.G. of 110 h.p. each=220 total. ~Speed.~--33-1/2 m.p.h.=54 k.p.h. (15 m. per sec.) ~Propellers.~--2 Parseval. ~Steering.~--Usual. Remarks.--Built 1911. Station: Wanne. PARSEVAL P.L. 16 = P. IV. Military. (1913.) +---------------+ | | | _Completing._ | | | +---------------+ ~Maximum length~, 308-1/2 feet (94 m.) ~maximum diameter~, 51-1/2 feet (15.50 m.) ~volume~, 353,000 c. feet (10,000 m cubed.) ~Gas bags.~--Metzler. ~Motors.~--2 Maybach, of 180 each=360 h.p. ~Speed.~--45 m.p.h.=72 k.p.h. (20 m. per sec.) ~Propellers.~--Two 4-bladed, wooden (on trial). Remarks.--For the Prussian Army. Station: Berlin. RUTHENBERG II. (1911). H. Ruthenberg, Lehderstrasse 16/19, Weissensee bei Berlin: also Luftfahrzeug-Ges, Ruthenberg, Krefeld. +-----------------------------------+ | | | _Small ships on Parseval lines. | | Still existing, but stored away._ | | | +-----------------------------------+ ~Maximum length,~ 151 feet (46 m.) ~diameter~, 24-1/4 feet 7.40 (m.) ~volume~, 60,000 c. feet (1,700 m cubed.) ~Gas bags.~-- ~Motor.~-- ~Speed.~-- ~Propellers.~--2 Ruthenberg. Remarks.-- RUTHENBERG III. (1913). +---------------+ | | | _Building._ | | | +---------------+ ~Length~, feet (m.) ~diameter~, feet (m.) ~volume~, 95,000 c. feet (2,700 m cubed) ~Gas bags.~-- ~Motor.~-- ~Speed.~-- ~Propeller.~--Ruthenberg. Remarks.-- SUCHARD. Non-rigid (Trans-Atlantic). (Re-constructed 1912). [Illustration] ~Maximum length~, 198-1/2 feet (60/5 m.) ~maximum diameter~, 56-1/4 feet (17.11 m.) ~volume~, 237,681 cubic feet (6,730 m cubed.) ~Total weight.~--About 2 tons (2,130 kgs.) ~Gas bags.~--Metzeler fabric. One ballonet. ~Motors.~--2 of 100 h.p. (one a N.A.G., the other an Escher). Placed one behind the other. A 4 h.p. motor carried for auxiliary purposes. Petrol carried, (1700 kil.) Oil, (300 kil.) ~Speed.~--17 m.p.h. (28 k.p.h). ~Propellers.~--Two 2-bladed Zeise. Diameter, 9-3/4 feet (3 m.) Chain driven. ~Steering.~--Elevation by moving weight slung on cable under body. Rudder aft. Remarks.--Built March, 1911, with a view to crossing the Atlantic from the Canaries to the Antilles. Re-constructed 1912. Proposed further re-construction in 1913. SCHUeTTE-LANZ 1. Military. S.L. I. (1911.) H. Heinrich Lanz, Rheinau bei Mannheim. [Illustration] ~Maximum length,~ 426 feet (130 m.) ~maximum diameter~, 60-1/2 feet (18.40 m.) ~volume~, 706,000 c. feet (20,000 m cubed.) ~Total lift.~--About 20 tons (20,000 kgs.) ~Useful lift.~--About 5 tons (5,000 kgs.)