Today's Message Index:
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1. 03:10 AM - Re: Re: Vents (D McFadyean)
2. 04:28 AM - Re: Vents (Griffo)
3. 07:50 AM - woodcomp 3000 controller required (graeme bird)
4. 10:24 AM - Re: Is this forum still working? (GTH)
5. 10:36 AM - Re: Re: Vents (GTH)
Message 1
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All of which are compliant:
Duct proportioned as per NACA coordinates, positioned where all the other Europas
have positioned theirs, and the fuselage 'sucks'.
So some other explanation is needed.
However,
I'd be interested to learn about the size effects; can you elaborate.
Duncan McF.
> On 26 March 2021 at 21:27 Griffo <scangriffin@bigpond.com.au> wrote:
>
>
>
> Hi Duncan,
>
> First rule of effective venting is: Location, location, location --------
>
> Then comes design, as in shape & proportions NACA vents must be correctly proportioned
to work effectively, not just look the part (as in may auto types)
>
> Then comes size.
>
> Lastly, exit air rout & size
>
> --------
> 46
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>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=501109#501109
>
>
>
>
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>
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>
Message 2
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I am looking for a flying Europa to purchase, so have little Europa specific information
to give you however my current aircraft, an ATEC Zephyr, has NACA vents,
on each side of the cockpit, just aft of the firewall - they perform very
well. I will have to measure them to be sure but at a guess they are approximately
100 mm wide x 120 mm long. This suggests to me that your problem is not
the vent (assuming correct design) but their location and/or possible alignment
in relation to airflow I think you have probably worked this out already.
Soooo perhaps tufting of possible locations to show air flow/direction but as you
wont be able to see how they move, a camera mounted on the wing might just
get the information you need for best placement/alignment.
As for size check out http://www.ansoneng.com/
--------
46
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=501112#501112
Message 3
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| Subject: | woodcomp 3000 controller required |
Does anyone have controller for sale such as a CSC-1/G for a Woodcomp SR3000? i
have the CSC-1/P but its not suitable sadly.
--------
Graeme Bird
Kit 3 in build (Gregory) mono Classic 914 xs fwfwd Woodcomp
Kit 2 G-PATS - (kesterton) Mono Classic 912 warpdrive
Kit 1 G-UMPY - Mono Classic/XS FFW 912S, Woodcomp SR3000/3W CS, G(@)gdbmk.co.uk
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=501113#501113
Message 4
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| Subject: | Re: Is this forum still working? |
Le 24/03/2021 21:14, Pete Zut a crit:
> /fwiw, I am noticing the majority of the responses are landing in my
> spam folder with google's "suspicious" warning label attached in
> line. Not sure why./
Hello all,
Just for the record, the "unreceived" posts I was talking about just
arrived two days after my last response.
Maybe something to do with my Internet provider or the 'List server,
don't know, but they are not labelled as spam.
--
Best regards,
Gilles
http://contrails.free.fr
http://lapierre.skunkworks.free.fr
Message 5
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Le 26/03/2021 22:27, Griffo a crit:
>
> Hi Duncan,
>
> First rule of effective venting is: Location, location, location --------
>
> Then comes design, as in shape & proportions NACA vents must be correctly proportioned
to work effectively, not just look the part (as in may auto types)
>
> Then comes size.
>
> Lastly, exit air rout & size
Hi all,
This is what we did as a "defog" system :
http://contrails.free.fr/cellule_defog_en.php
Also I happened to perform a small study on NACA vents some time ago.
To support Ducan message, location, location !
The "NACA sumerged inlet" works only if the streamlines at its location
are fairly parallel (ie no acceleration or especially no deceleration)
and not too disturbed.
A clean inlet ramp, really square edges and a proper "lip" are required.
Should craft a web page one of these days.
FWIW
--
Best regards,
Gilles
http://contrails.free.fr
http://lapierre.skunkworks.free.fr
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