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Old 5th December 2006 | 02:41
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Mad (Flt) Scientist
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Joined: Sep 2002
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From: La Belle Province
Originally Posted by Founder
Break Release Point
- Vmcg
- V1
- Vmu (minimum unstick)
- Vr
- Vmca
- V2 take off safety speed
- V2 min
- V3
- V max endurance & min power
- V max range & min fuel-flow
- V long range
- V maximum & max drag
1. It's 'brake' not 'break' - 'break' is not a word you want to see associated with an aircraft.

2. The various take-off related speeds don't have a single fixed relationship. For example:
- either of Vmca or Vmcg may be smaller
- V2min must by definition be not more than V2 (you have V2min>V2)
- V1 and Vr may be equal
- Vrmin may be set by 1.05Vmca for some cases (hence Vr>Vmca)
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