REFLECTOR: Reflector Digest, Vol 111, Issue 31

Velocity Aircraft Owners and Builders list reflector at tvbf.org
Tue Jun 24 15:21:42 CDT 2014


Larry,

Can you sent me or post a picture of your armpit? I could eliminate couple
more degrees on long climbouts.

Wim Huisman

On Tuesday, June 24, 2014, <reflector-request at tvbf.org> wrote:

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> Today's Topics:
>
>    1. Re:  Cooling (Velocity Aircraft Owners and Builders list)
>    2. Re:  Cooling (Velocity Aircraft Owners and Builders list)
>    3.  LLC (Velocity Aircraft Owners and Builders list)
>    4. Re:  LLC (Velocity Aircraft Owners and Builders list)
>    5. Re:  Cooling (Velocity Aircraft Owners and Builders list)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Tue, 24 Jun 2014 16:08:08 +0000
> From: Velocity Aircraft Owners and Builders list <reflector at tvbf.org
> <javascript:;>>
> To: "=?utf-8?Q?reflector at tvbf.org?=" <reflector at tvbf.org <javascript:;>>
> Subject: Re: REFLECTOR: Cooling
> Message-ID: <mailman.618.1403585362.2596.reflector at tvbf.org <javascript:;>
> >
> Content-Type: text/plain; charset="utf-8"
>
> Interesting. I’m sure I will try the VGs when I get back up and running
> this summer.
>
>
> I’ve also wondered/considered ducting the heated air out through the
> bottom of the cowling with an adjustable door arrangement similar to the
> exhaust side of the P-51 ducting. I would imagine it would be more
> efficient than simply dumping the air into the enclosed cowling.
>
>
> First step: get back in the air.
>
>
> Tom Mann
>
> N951TM
>
>
>
>
>
>
> Sent from Windows Mail
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> ------------------------------
>
> Message: 2
> Date: Tue, 24 Jun 2014 11:21:23 -0500
> From: Velocity Aircraft Owners and Builders list <reflector at tvbf.org
> <javascript:;>>
> To: reflector at tvbf.org <javascript:;>
> Subject: Re: REFLECTOR: Cooling
> Message-ID: <mailman.619.1403585850.2596.reflector at tvbf.org <javascript:;>
> >
> Content-Type: text/plain; charset="utf-8"
>
> Hi Jeff,
>
> Yes, I had armpits on my STD-RG for many years.  I've got a few pictures
> of an oil study I did along the way that I can send if interested (the
> reflector doesn't like pictures).  In net, the issue I saw was that
> because there isn't any expansion area aft of the armpit scoop to slow the
> air down, it tends to back up and flow mostly around the scoop.
>
> My advice - bite the bullet and install the roof mounted NACAs.  Do a good
> job on the NACA inlet.  You will be extremely satisfied with the results.
>
> Send me your email address if you'd like some oily pictures.  I'm trying
> to figure out how to upload them to a photo album on the VOBA website...
>
> Dave
>
> Dave T. Nelson
> T/L 553-4327, Voice 507-253-4327, Fax 507-253-3648
> Program Director, ISC ECAT NPI & Test Engineering
>
> - To:
> "reflector at tvbf.org <javascript:;>" <reflector at tvbf.org <javascript:;>>
> -
> -Subject:
> Re: REFLECTOR: Cooling
> - Anyone have experience with VGs on a 173RG with the older armpit scoops?
> If so please send a pic and explanation.
> - Appreciate it, Jeff
>
> - Thank you, Jeff
> - TEAM JEFF Real Estate
>
> - Jeff Findarle - Realtor, GRI
>  - PRES.-Wasatch Co Association of Realtors
> - Darin Heckel - Realtor
> - AllStar Realty
> - 575 N main St.
> - Heber City, UT. 84032
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> ------------------------------
>
> Message: 3
> Date: Tue, 24 Jun 2014 11:26:33 -0500
> From: Velocity Aircraft Owners and Builders list <reflector at tvbf.org
> <javascript:;>>
> To: Velocity Aircraft Owners and Builders list <reflector at tvbf.org
> <javascript:;>>
> Subject: REFLECTOR: LLC
> Message-ID: <mailman.620.1403586162.2596.reflector at tvbf.org <javascript:;>
> >
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> I know there are a couple of lawyers on the reflector so I thought I
> would ask.
> Since getting insurance is nearly impossible I was told to put my plane
> in a LLC
> to help to remove me from to much liability . There is a small expense
> in setting it up and maintaining
> it but is it worth it.
>
> Ron
>
>
> ------------------------------
>
> Message: 4
> Date: Tue, 24 Jun 2014 11:33:00 -0500
> From: Velocity Aircraft Owners and Builders list <reflector at tvbf.org
> <javascript:;>>
> To: "reflector at tvbf.org <javascript:;>" <reflector at tvbf.org <javascript:;>
> >
> Subject: Re: REFLECTOR: LLC
> Message-ID: <mailman.623.1403586533.2596.reflector at tvbf.org <javascript:;>
> >
> Content-Type: text/plain; charset="utf-8"
>
> I'm not a lawyer (but I did stay in a Holiday Inn Express) but I've been
> told by lawyers that the LLC (and Delaware incorporation) approach is a
> minor speedbump to a competent lawyer.  But if it doesn't cost much to do
> it, why not? That speedbump could be enough.
>
> Once again, not a lawyer, just passing on what I was told.
>
>
> On Tue, Jun 24, 2014 at 11:26 AM, Velocity Aircraft Owners and Builders
> list <reflector at tvbf.org <javascript:;>> wrote:
>
> > I know there are a couple of lawyers on the reflector so I thought I
> would
> > ask.
> > Since getting insurance is nearly impossible I was told to put my plane
> in
> > a LLC
> > to help to remove me from to much liability . There is a small expense in
> > setting it up and maintaining
> > it but is it worth it.
> >
> > Ron
> > _______________________________________________
> > To change your email address, visit http://www.tvbf.org/mailman/
> > listinfo/reflector
> >
> > Visit the gallery!  www.tvbf.org/gallery
> > user:pw = tvbf:jamaicangoose
> > Check new archives: www.tvbf.org/pipermail
> > Check old archives: http://www.tvbf.org/archives/velocity/maillist.html
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>
> ------------------------------
>
> Message: 5
> Date: Tue, 24 Jun 2014 15:05:47 -0500
> From: Velocity Aircraft Owners and Builders list <reflector at tvbf.org
> <javascript:;>>
> To: <reflector at tvbf.org <javascript:;>>
> Subject: Re: REFLECTOR: Cooling
> Message-ID: <mailman.625.1403599298.2596.reflector at tvbf.org <javascript:;>
> >
> Content-Type: text/plain; charset="iso-8859-1"
>
> I use modified armpit scoops.  They are mounted 3/4" out from the fuselage
> and have an internal venturi for improved pressure recovery.  I have
> included a clip from a Flying Magazine article that explains the popularity
> of misapplication of NACA inlets.
>
> Larry Coen
>
> N136LC
>
>
>
> North American's bad experience-and those of others, such as Long-EZ
> builders who tried to use them for engine cooling air-did not put paid to
> the NACA scoop. Today we see them everywhere, and they are widely used in
> precisely the applications-engine induction and cooling air inlets, oil
> radiator inlets, fuel tank vents, cabin ventilators, all sorts of
> mysterious apertures on Firebirds and Lamborghinis-for which the original
> researchers deemed them unsuitable.
>
> Why? Different designers probably have different motives. Many
> applications require peak performance at only a narrow range of flow rates
> anyway, and so efficiency losses at off-design points can be tolerated.
> Even though they are not really drag-free, submerged inlets certainly
> produce less drag than protruding ones do. They have practical advantages;
> one is that they're easy to fabricate-much easier than a pitot-style scoop
> with a boundary-layer channel. NACA scoops are popular with amateur
> builders, some of whom are probably in the dark about the mechanism of
> their operation, but assume that if they're used on some airplanes, they
> must be good for all.
>
> Other reasons are more frivolous. NACA scoops look nice. They don't appear
> to clutter up the surface of the airplane the way protruding inlets would.
> They at least seem as if they produce no drag. And that double-ogive with
> its gently sinking floor is an elegant shape that just feels aerodynamic in
> an undefined sort of way. Looks matter. When reason fails, follow your
> heart.
>
>
> Read more at http://www.flyingmag.com/scoop-naca-scoop#2DDXHD907wXdp5Bi.99
>
>
> From: Velocity Aircraft Owners and Builders list
> Sent: Tuesday, June 24, 2014 11:21 AM
> To: reflector at tvbf.org <javascript:;>
> Subject: Re: REFLECTOR: Cooling
>
>
> Hi Jeff,
>
> Yes, I had armpits on my STD-RG for many years.  I've got a few pictures
> of an oil study I did along the way that I can send if interested (the
> reflector doesn't like pictures).  In net, the issue I saw was that because
> there isn't any expansion area aft of the armpit scoop to slow the air
> down, it tends to back up and flow mostly around the scoop.
>
> My advice - bite the bullet and install the roof mounted NACAs.  Do a good
> job on the NACA inlet.  You will be extremely satisfied with the results.
>
> Send me your email address if you'd like some oily pictures.  I'm trying
> to figure out how to upload them to a photo album on the VOBA website...
>
> Dave
>
> Dave T. Nelson
> T/L 553-4327, Voice 507-253-4327, Fax 507-253-3648
> Program Director, ISC ECAT NPI & Test Engineering
>       - To: "reflector at tvbf.org <javascript:;>" <reflector at tvbf.org
> <javascript:;>>
>       -
>       -Subject: Re: REFLECTOR: Cooling
>
> - Anyone have experience with VGs on a 173RG with the older armpit scoops?
> If so please send a pic and explanation.
> - Appreciate it, Jeff
>
> - Thank you, Jeff
> - TEAM JEFF Real Estate
>
> - Jeff Findarle - Realtor, GRI
> - PRES.-Wasatch Co Association of Realtors
> - Darin Heckel - Realtor
> - AllStar Realty
> - 575 N main St.
> - Heber City, UT. 84032
>
>
>
>
> --------------------------------------------------------------------------------
>
>
> _______________________________________________
> To change your email address, visit
> http://www.tvbf.org/mailman/listinfo/reflector
>
> Visit the gallery!  www.tvbf.org/gallery
> user:pw = tvbf:jamaicangoose
> Check new archives: www.tvbf.org/pipermail
> Check old archives: http://www.tvbf.org/archives/velocity/maillist.html
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>
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>
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> ------------------------------
>
> End of Reflector Digest, Vol 111, Issue 31
> ******************************************
>


-- 

"People will forget what you said; People will forget what you did.
But people will never forget how you made them feel."
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