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| Written by NaSa |
| Monday, 26 April 2010 00:00 |
|
DCB 008 Composite Rotor Blade Family
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Aplication: UL- and kit helicopters, autogyros
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up to 750 kg (1635,5 pounds) MTOW
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General description:
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Long time developed, trapezoid shape blade with NACA0012 ÷ 0018
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symmetrical airfoils, usable both direction of rotation.
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Full composite (glassfiber reinforced epoxy resin and NOMEX honeycomb)
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structure: with symmetrical, one pieced monolitich main spar, solid laminate leading edge
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and honeycomb sandwich trailing edge wedge section,
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all parts fastened by adhesive bonding.
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Static balanced by bar-lead weight
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(installed under the leading edge of blade end section, as a rough balance)
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and fine adjusting with the balancing chamber in the outer end of main spar.
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Manufactured in different lengths between:
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2800mm ÷ 3850mm (110.2 inches ÷ 151.5 inches) on request.
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Not certified in this time yet!
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Advantages of our composite rotor blades versus metal ones:
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No fatigue behaviour - long life
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No corrosion problems
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Quasi-equal strength construction
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Better specific strength
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Low icing characteristics without heating
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Special blade tip for noise reduction
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Optional elastic leading edge coating
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Better vibration damping
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Technical Data:
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Maximum custom made length: 3850mm ( 151.5 inches )
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Minimum custom made length: 2800mm (110.2 inches )
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Maximum custom made weight: 7.2 + 1.8 kg lead weight
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Minimum custom made weight: 4.6 kg + 1.6 kg lead weight
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Maximum chord length: 230mm ( 9 inches )
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Minimum chord length: 160mm ( 6.3 inches )
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Maximum peripheral speed: 230 m/s ( 754.6 Feet/sec )
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Used airfoils: NACA0012 - NACA0018
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| Last Updated on Friday, 04 June 2010 16:24 |
