Has anyone sorted out the question of the need for air venting arrangements
to increase the through flow of air? There is clearly a way out through
throttle and gear lever slots but the reports of doors tending to bulge
outwards in flight suggest these may not be enough (unless of course the
doors are also included in the low pressure zone that stops overhead NACA
vents working in the right direction). I wondered whether it might be
worthwhile to have a hole through the rear bulkhead to allow flow through
into the rear fus. and out then through the flap and trim slots.David Joyce
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