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Doug.Norman(at)sportaviat
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 Posted: Sat Nov 21, 2009 3:32 pm Post subject: Any changes in flight characteristics with the LAA changes? |
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To all our UK brethren:
For those who have made the modifications and gotten back in the air, have
you found any changes in the flight characteristics? For example, do the
mass-balanced ailerons seem less-stiff, more stiff, or the same?
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Pete54
Joined: 27 Aug 2009
Posts: 19
Location: Scotland
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| Posted: Mon Nov 23, 2009 1:14 am Post subject: Re: Any changes in flight characteristics with the LAA chang |
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After all the messing about - no the ailerons feel just the same! They do neatly return to neutral on the ground but I could detect no difference in the air.
The other mods - which you'll be spared I think, have more effect. All the UK XLs have an enlarged trim tab, with most also having a spring connect between the flaps and elevators. This now has to be removed (and the trimmer horn reversed).
The result is that the longitudinal stability in cruising flight is much improved. Previously you could get a 20 kt increase in speed just by lightly pushing the stick - that now needs much more force. Indeed the dive to Vne takes some push. The downside is that you run out of trim a little before half flap has run down. The LAA may introduce a further modifications to deal with that!!
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Pete Morris |
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