A lot of wooden aircraft I'me looking at during this dry spell have drastically loose control cables.
I am tempted to describe them as washing lines. Some types are prone to flutter and a harmonic wing twisting that can cause catastrophic failure, so best, if you haven't already, do the checks.
Bear in mind that it has been extra dry and hot. When the WX returns to normal! don't let you control system be overstressed as you airframe expands,.
Slack control cables
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