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Lightning Protection of Revolving Aircraft Turrets

Award Information
Agency: Department of Defense
Branch: Missile Defense Agency
Contract: F2960103C0219
Agency Tracking Number: 02-1212
Amount: $0.00
Phase: Phase I
Program: SBIR
Solicitation Topic Code: N/A
Solicitation Number: N/A
Solicitation Year: N/A
Award Year: 2003
Award Start Date (Proposal Award Date): N/A
Award End Date (Contract End Date): N/A
Small Business Information
204 Elizabeth Street
New York, NY 10012
United States
DUNS: 131364820
HUBZone Owned: No
Woman Owned: No
Socially and Economically Disadvantaged: No
Principal Investigator
 Tom Myrick
 Chief of Engineering
 (212) 966-0661
Business Contact
 Chris Chapman
Title: President
Phone: (212) 966-0661
Research Institution

Honeybee proposes a Rotary Lightning Protection System (RLPS) that combines the existing metal mesh/coating approach to lightning strike mitigation with the innovative Rotary Band Contact (RBC) concept to provide a ground path for rotating compositestructures. The RLPS design will not only protect the mechanisms that produce the required rotary motion, but will also protect any sensitive equipment within by providing a direct exterior path away from the rotating member directly to ground. Honeybeeplans to design a lightweight system compatible with nose-mounted ball turrets such as the one employed by the Airborne Laser Boeing 747-400. The proposed RLPS uses high yield strength, flexible roll rings for rotary power transfer. The roll rings mayexperience large, prolonged compressive forces without permanent deformation. Also, by avoiding the sliding contact traditionally associated with power transfer across rotating interfaces, wear is greatly reduced. As a result, particulate generation, whichmay increase the likelihood of current arcing, a serious concern near aircraft fuel tanks, and damage sensitive optical equipment, is essentially eliminated. The RLPS design offers reliable high-current transfer capabilities, minimal wear, low torqueresistance, low noise production and continuous rotation; a prime candidate for the lightning protection of aircraft rotary interfaces.

* Information listed above is at the time of submission. *

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