David, what you suggest is precisely what other builders have done. I
know of several builders who have used two holes located on either side
of the "D" bulkhead with each hole approximately 3" in dia. Screen was
laid over the hole from the back side and painted black. Adds a nice
effect.
Erich Trombley
A028
writes:
> 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
> 402
>
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