![]() Both Ventus A and Ventus B have a complex flap/brake arrangement similar to that of the Glasflügel Mosquito and the Mini-Nimbus, but the Ventus C reverted to conventional upper-surface air-brakes that are separate from the trailing-edge flaps. The fuselage was also produced in two sizes to suit pilots of different heights – the Ventus A for short pilots and Ventus B with a longer and wider cockpit. Extended wingtips can be fitted to increase the span to 16.6 metres for competition in the Open Class. The Ventus has a 15-metre wingspan, using CFRP in its structure, complying with 15 m Racing Class specifications. The use of carbon-fibre lay-ups, designed to reduce aero-elasticity of wings, has allowed CFRP gliders to be designed to cruise at much higher speeds than those with wings made from fibreglass (GFRP) or wood, as well as take advantage of thinner aerofoil sections. The decline in the cost of carbon fibre during the 1970s allowed sailplane designers to design large components from carbon-fibre reinforced plastic (CFRP). ![]()
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