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Running Gear

CIGNYS was approached by Boeing Military Aircraft for the development of a Refueling Boom Trailer to be used with the KC-767 Tanker Program. The design was based on aluminum alloy for a piece of ground support equipment that did not require a lightweight design. Because of the need for stability in high winds, the design was changed to a steel trailer.


CIGNYS used commercially available components in order to achieve Boeing’s target pricing. The stronger, heavier trailer also incorporated a special cradle for installing the boom onto the aircraft. The Refueling Boom Trailer has now a standard part of the ground support equipment used to service the aircraft for both Italy and Japan.


A manufacturer of military trailers approached CIGNYS’ engineering team for assistance with a new dual purpose Munitions Trailer for the U.S. Marine Corps. Because of our experience in trailer design, we were able to suggest certain design concepts that aided in the ultimate contract award for the OEM. The proposal impressed the Marine Corps because of its simplified dual braking system and robust disk brakes utilizing stainless steel vented brake rotors to prevent corrosion. The Munitions Trailer has been subjected to extensive durability testing at Aberdeen Proving Grounds.

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