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Charles Kaman Dies.

LowObservable

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And here is another of Kaman's innovations in action...

https://www.youtube.com/watch?v=gd4uVwxsSHk
 

cluttonfred

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If, like me, that link has you puzzled, here is the punchline from the Ovation Guitar site:

The story of Ovation guitars-and the ground-breaking technology behind them-begins with Charles H. Kaman, an aeronautical engineer known for his pioneering work in helicopter and aerospace design.

In 1945, Charles Kaman founded Kaman Aircraft, and in 1947 his company developed a radical helicopter that used inter-meshing rotors and Kaman's patented servo-flap control. In 1951, Kaman built the world's first gas turbine helicopter-an innovative aircraft now at the Smithsonian National Air and Space Museum.

Through intense research and development, Kamans engineers made discoveries about the physics of vibration and acoustics- critical factors in the design and fabrication of helicopter rotor blades, missile nose cones, and other aerospace components exposed to high vibrational stress. After achieving many aviation firsts and setting world records with his helicopters, Charles Kaman-himself a dedicated guitar enthusiast-decided his aerospace division should apply its technology and know-how to the centuries-old art of guitar making.

Ovation's legendary roundback body gives each guitar its unique tone and incredible sonic projection. Born of technology, nurtured by sound.To pursue this goal, Kaman founded Ovation Instruments, and in 1965 our engineers and luthiers began their quest to determine whether an acoustic guitar could be sonically improved by modifying its shape and construction. Our R&D team spent months building and testing prototype instruments, and by mid 1966, they had the answers they sought. Their research conclusively proved that a semi-parabolic shape yielded the most efficient and responsive guitar body.

Once our engineers had settled on the body design, they turned their attention to developing a substance that could be molded into this bowl-like shape. Using their knowledge of high-tech aerospace composites, they developed Lyrachord, a patented material comprising interwoven layers of glass filament and bonding resin. Our lab team also discovered how to tune Lyrachord at the molecular level so it would resonate musically.

The first Ovation guitar made its debut in November, 1966. Its Lyrachord body gave the instrument unprecedented projection and ringing sustain. Based on this initial success, we developed an entire line of roundback models to provide guitarists with the world's finest acoustic/electric instruments.

We have our headquarters in an historic red brick factory on the banks of the Farmington River in New Hartford, Connecticut. Here, our skilled luthiers and designers make beautiful, high-performance roundback guitars with painstaking attention to detail-the way they have for more than almost half a century. The spirit of New England craftsmanship and restless American innovation is embodied in every Ovation instrument we build.
And more on Kaman Music Corporation (KMC) from Wikipedia:

Kaman Music Corporation (pronounced /kəˈmɑːn/) is a part of the Kaman Corporation founded by Charles Kaman. Kaman is also a guitarist and he came to explore the use of composite materials technologies to guitar building. He and his engineers created the round-backed, composite-body Ovation guitar which revolutionized the guitar industry since about 1966. Today, Kaman Music owns a number of subsidiaries and brands in the music industry, being the largest independent distributor of musical instruments and accessories in the United States and a major producer of guitars and guitar parts and accessories. On 29 October 2007 the Kaman Corporation announced that it had agreed to a definitive deal to sell its subsidiary, the Kaman Music Corporation, to Fender Musical Instruments Corporation for $117 million. On January 2, 2008 Kaman received approximately $120 million in cash from Fender Musical Instruments Corporation, which included the purchase price of $117 million and certain working capital and cash adjustments.
Clearly, Charles Kaman was quite a renaissance man.

LowObservable said:
And here is another of Kaman's innovations in action...

https://www.youtube.com/watch?v=gd4uVwxsSHk
 
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