Dornier Rs II

The Dornier RS- II was a four -engined biplane flying boat on Lake of the resident aircraft manufacturer Dornier works from the period of the First World War. In the first version with three engines, the first flight was held on 30 June 1916. The final version with four engines first flew on 6 November 1916.

History

The development was based on the experience with the Dornier Rs I. Originally three engines were now provided in the hull, which should drive via remote waves pusher propeller. Also supporting swimmers were provided on the lower wing of which was to collect an increase in lateral stability. After a few trials, however, showed that one could do without it and thus Claude Dornier created the first self-stable flying boat. The first flight took place on 30 June 1916. During testing the hull shape was modified several times, a further step was installed at the rear.

With these findings, the aircraft was then changed considerably. You now used four engines that were housed in a tandem arrangement in two nacelles between the wings. This arrangement should be typical for a long time for Dornier. After these modifications, the designation of the aircraft to Dornier DO- IIb was changed, the first flight took place on 6 November 1916.

Construction

The hull with 11.8 m length was a metal construction with 3 Scots and was planked with metal. As a tail boom was an open steel truss structure. The tail unit was box- shaped, with two lateral and vertical stabilizers.

The two wings were of significantly different size, the plane could thus be described as sesquiplane. They were provided with three steel beams, covered the ribs made ​​of light metal, and fabric.

As drive 4 Maybach Mb IV were each 240, two engines in two nacelles between the wings that seemed to fixed two-blade propeller made ​​of wood.