The Fuselage of the CH 640
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BASIC FUSELAGE DESIGN
The fuselage consists of three basic sections: the cabin section, the engine section, and the sheet-metal tail cone section. The main fuselage is a conventional semi-monocoque structure: a basic rectangular section formed by four longerons, with skins blind riveted to the longerons (and stiffeners). Five rounded bulkheads form the top skin. The landing gear bolts on to the assembled fuselage section.
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THE CABIN SECTION
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The cabin area of the fuselage is unique in many ways. It was designed for today’s pilots who are significantly taller than pilots were 50 years ago (and larger than most designers of kit planes). A typical six-foot six-inch pilot will sit comfortably with plenty of head room to spare even while wearing headsets. Visibility is excellent with "wrap-around" windows. The front seats are positioned near the front of the wing so that the downward visibility to the ground is excellent. The cabin width is an amazing 46 inches from window to window, making it the widest cabin in its class
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The adjustable front seats fold forward to allow access to the rear seats. Two inspection holes are located under the seats for easy access to the spar for wing removal. The front seat bottoms are made out of Tetra Foam which was designed to withstand up to 27g loads. The aircraft seats are very comfortable even after a 3 hour trip thanks to the special foam that adjusts its shape. The seat belts are similar to the type used in a car. They are easy to adjust and require no maintenance. |
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THE ENGINE SECTION
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THE GEAR SECTION
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