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Old 14th Jul 2017, 06:36   #7 (permalink)
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Join Date: Apr 2000
Location: EGDC
Posts: 6,297
Note that it is OGE hover so some distance below the disc - not the same as standing directly under it in a low hover.

It is useful in assessing proximity to VRS since, if you know your downwash speed you know where the likely critical RoD is.

If you know a better way then post it.
crab@SAAvn.co.uk is offline   Reply With Quote