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Old 02-28-2002, 07:58 PM
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haupt
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Default F/A-18 MAC, etc.

Ted,

If you are going to an all-moving tail surface, make sure you not only PIVOT about it's own MAC, but also BALANCE about that point. A nice way to do that is to replace a portion of the leading edge near the root with lead needed for balance and glass over the lead, overlapping onto the rest of the surface. I first saw this mentioned on the plan for a sport-scale ducted fan F-15 from Ziroli.

BTW, anybody have one of the old RK-740 fan units?

Regards,

Mark