1/72 Zeppelin-Lindau (Dornier) Rs II scratch build

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6 years 6 months ago #168 by Stevef

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Evening All,

Here are some more pictures of the completed model and some notes on the type which I have been building and posting in the Aircraft area of this site, I apologise for the backgrounds but the weather and light are very poor at the moment. I will take more pictures in better light when I have completed the base for this model: this will be my next project. As usual I am posting in several stages as the files do not accept more than approximately 6 pictures.



Claudius Dornier had joined the Luftschiffbau Zeppelin (Zeppelin Airship Works) in 1910 where he worked on a number of technical problems associated with airships. He was transferred to Zeppelin’s private design bureau in Friedrichshafen to work on an 80,000 cubic metre steel airship capable of flying across the Atlantic in 1913. Following the outbreak of European war in August 1914, Zeppelin established the VGO-Staaken venture to build giant wooden bombers, but Zeppelin was convinced that the future for aircraft was in all metal construction, so Dornier was sent to an old airship shed at Seems near Friederichshafen on Lake Constance to design a giant flying boat. This became known as the Rs I and was the first all-metal aircraft to be built. It was a huge biplane with a 143 ft (43.5m) wingspan which carried out extensive taxiing trials on the lake in late 1915 but was wrecked in a storm in December of that year before it could fly.





While the Rs I was undergoing trials, Dornier and his team were working on a second project which was of a totally different design. This had a very broad hull which gave it inherent stability, with a high mounted wing with a broad low aspect ratio, open tail boom and unusual biplane elevator. Small wings were fitted to the rear of the hull to support floats, but the latter were found to be unnecessary and were never fitted. It was built from duraluminium and steel and covered in sheet duraluminium on the hull and fabric on the flying surfaces. It was powered by three engines buried in the hull driving pusher propellors via drive shafts. It made its maiden flight from Lake Constance on 30 June 1916. In mid - July an accident occurred which caused the aircraft to land on the water. On attempting to take off the middle propellor transmission shaft broke which severely damaged the tail boom.





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6 years 6 months ago #169 by Stevef

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In July the machine reappeared with a new tail unit this time with a simpler pair of fins and rudders and single elevator. Flight trials resumed and it was shown that it could take off and climb on 3 engines. It was also found that the pusher engines were more efficient when working alone than were the tractor engines. It reached a level speed of 128kph over the lake. In August it was carrying out a 6 hour trial flight prior to being sent to Norderney seaplane base for trials by the Navy when number 4 engine backfired violently. No 1 propellor disintegrated as a consequence, so both engines were shut down and the aircraft was put back down on the lake. The damage was found to be extensive and is was decided that it would have been uneconomical to rebuild it as the Rs III was near completion. Instead the airframe was broken up and the parts used for further tests and experiments.



Dornier and his team learned many valuable lessons from this prototype. The broad inherently stable hull, tandem mounted engines, all-metal construction, high wing with low aspect ratio, all became characteristic features of later designs, but above all reliability and flexibility were to be hallmarks of the Dornier company.

Do you remember the Avro biplane that appeared in the build thread for scale? Well here it is next to the completed model:



And because you cannot see everything from a distance, here are some close ups:













A happy 2018 to one and all.

Thanks for looking.

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6 years 5 months ago #178 by Clive Creer
Steve, well done on another fantastic build. Having seen this in the flesh, complete with its base and cover, I would be very surprised if you don't pick up a few gongs, if you decide to enter her into any competitions this year!!

Your scratch building skills and attention to detail are of the highest order. Give yourself a massive slap on the back.

Please try and get along to some shows this year, as she deserves to be shown to budding scratch builders everywhere.

Clive



I love the smell of Tamiya Extra Thin in the morning!

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