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Old 13th August 2008 | 19:39
  #20 (permalink)  
KrisRamJ
 
Joined: Jan 2008
Posts: 67
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From: Gloucestershire, UK
BHenderson,

I was taught that LTE comes in four different flavours:

1. Main Rotor disc interference (wind from 10-11 'o' clock; that happens here as he transitions with the nose cranked over to the right)
2. Tail rotor VRS (wind from 9 'o' clock)
3. Weathervane stability (wind from the 6 'o' clock)
4. LTE at altitude (tail rotor is affected by DA in a big way, another contributing factor to this)

Note that the above is for a US helicopter, for French helos it's wind from 1-2 'o' clock for M/R disc and wind from 3 'o' clock for T/R VRS.

Cheers

Kris
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