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Moller International develops damage resistant fan blades

Moller International (the "Company") (OTCBB: MLER) is pleased to announce that it has successfully developed and tested a damage resistant, carbon fiber blade technology that increases durability for the ducted fans used in its Skycar® and Neuera™ VTOL aircraft product lines. This improvement reduces blade rotating inertia, allowing the fans to respond quicker to roll and pitch commands from the artificial stability system, resulting in a more stable aircraft during hover and transition.

In addition, the newly-developed epoxy carbon fiber matrix can tolerate increased damage to the leading edge of the fan thereby dramatically improving resistance to damage caused by bird ingestion. "This advancement was inadvertently validated when a screwdriver was accidentally ingested into a fan during the maximum power tests of an M400," stated Dr. Paul Moller, President of Moller International. "The screwdriver caused a significant notch in the leading edge of the fan but was quickly repaired with epoxy filler. An aluminum fan blade would have to be replaced if it had survived the impact, which is problematic."

Carbon fiber has up to seven times the tensile strength of aluminum. As a result, the blades can be designed to have a very large safety factor. This is particularly important in a VTOL aircraft like the Skycar® or Neuera™, where a fan blade failure due to foreign object damage (FOD) could be catastrophic during hover or early transition. This technology proves to be valuable not only to the Moller volantor aircraft but an important advancement in aviation safety.

Press release issued by Moller International, Inc. on November 3, 2009


 Contact details from our directory:
Moller International, Inc. Airframer


 Related aircraft programs:
Moller M400 Skycar


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