REFLECTOR: old box spar question

Kevin Baker flykb at verizon.net
Thu Jun 12 21:59:29 CDT 2008


Hi Doug,
I believe you are correct. From what I remember the velocity airflow 
thru the cabin is in thru the vents in the front then thru the cabin 
down the spar and out those openings/holes. I'm remembering this from 
what the Velocity folks said years ago.

Thanks,
Kevin Baker

At 11:43 PM 6/11/2008, Dave Philipsen wrote:
>I have an older Velo (clamshell door) that has little somewhat
>hemispherical vent covers over the bolt access holes on the bottom.  The
>vents are pointed rearward so I assume they are intended to suck air out
>of the cabin.  Since I am not the builder I cannot tell you for sure
>that's what they are for but it seems reasonable.  In fact, I can't find
>any other place where air of any quantity could exit the cabin to allow
>for proper ventilation.
>
>
>
>MMurp16900 at aol.com wrote:
> >  hi Doug
> > That is the first time I herd that the holes were for Venting.
> > Is it in the plans?
> > Mack
> >
> > In a message dated 6/11/2008 10:23:46 A.M. Pacific Daylight Time,
> > doug.holub at tx.rr.com writes:
> >
> >     I have a question for anybody out there with an old box spar:
> >     There are bulkheads inside the spar just outboard of the inboard
> >     wing attach bolts. As I understand it, the bolt access holes at
> >     the bottom ends of the main spar are used to suck air out of the
> >     cabin. Am I supposed to cut a hole in the spar bulkheads to let
> >     the cabin air escape?
> >
> >     Doug Holub
> >     _
> >
>
>--
>Dave Philipsen
>Velocity STD-FG
>N83DP
>
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