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With regard to the original message,
I don't think Derek is arguing specifically that the effectiveness of the elevator depends on the angle of bank, rather that pulling back on the stick with the wings level or in a shallow bank leads to a nose high attitude from which the glider will slow down and stall. In a steeply banked turn, pulling back on the stick tightens the turn more than it raises the nose so you won't slow the glider down very much, any pre-stall buffet is more likely to be the result of stall speed increasing with higher g. Its easier to reach that pre-stall buffet (inadvertently or otherwise) by slowing down than by pulling g, thus it is easier to use the elevator to stall a glider from straight flight or in a gentle turn than in a steep bank. Either way, the recovery is the same, ease the stick forward. If your instructor asks you why its harder to stall a glider in a steep bank and you reply that the extra g makes the glider nose heavy, you are liable to get a few demonstrations as to why that isn't true. The reason why its hard to stall in a 60 degree bank is not because the glider is nose heavy but because you are using virtually all the elevator authority to make it nose heavy. I'm sure its not what Bill meant to suggest, but its important that you understand that just because you're pulling 2g, the glider is not too nose heavy to stall. Ed |
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