Our heavyweight helicopter equal in the world does not have
In Rostov started production of the most load-lifting rotary-wing car The Russian holding «Helicopt[...]
The joined wing
An interesting concept is the joined wing illustrated in Fig. 2.27. A forward – swept rear plane is joined at the tips to a rearward-swept main-plane. The
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Fig. 2.26 The highly aerobatic Pitts Special The biplane configuration helps to make the aircraft compact and manoeuvrable |
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Fig. 2.27 The joined wing concept offers a stiff wing structure, and a possible reduction in drag |
primary advantage of this concept is that if one wing is mounted low, and the other high, as shown, a stiff structure results. A potential additional advantage is that this arrangement produces a ‘non-planar’ lifting arrangement which can produce a relatively low drag, as explained in Chapter 4.
