Hybrid Laminar Flow Control (HLFC)
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Hybrid Laminar Flow Control (HLFC)
When I worked at Boeing they were getting ready to deliver 787-9 aircraft with the HLFC system. This system promised fuel savings due to greatly reduced drag on the empennage by using millions of tiny holes in the leading edge that sucked air in to control the boundary layer and delay its transition from laminar to turbulent. Is anyone flying this aircraft able to tell us if it is working as advertised?
Join Date: Jul 2012
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Boeing has decided to drop the hybrid laminar flow control (HLFC) drag reduction system from the 777X and may even review its future use on the stretched 787 derivatives. The company, which developed the system initially for the 787-9, says the drag benefits do not justify its inclusion on the 777X which is due to achieve firm configuration later this summer. The system has been under consideration for the 777X since the start of the program and at one stage was considered such a certainty ...
