REFLECTOR: Reflector Digest, Vol 108, Issue 8
Don Johnston
numa at comcast.net
Tue Mar 4 14:44:54 CST 2014
Thanks for the pictures, Nick!
How did you route the tubing from the filter to the the intake?
On Tue, Mar 4, 2014 at 2:16 PM, Jones Nick <nick.jones at volvo.com> wrote:
> Lancair IV scoop mounted in the lower cowl
>
> with airbox housing
>
>
>
> K&N air filter mounted on airbox.
>
>
>
> Airbox cover made from carbon fiber with outlet flange.
>
>
>
> Airbox cover mounted with clamping latches
>
>
>
> Alternate air door cable mounting bracket. Mounted
>
> To engine backbone.
>
>
>
> Cirrus SR22 alternate air door assembly mounted with actuator cable.
>
>
>
> Nick and Connie Jones
>
> Velocity XL-RG
>
> N10CN
>
>
>
> -----Original Message-----
> From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] On
> Behalf Of reflector-request at tvbf.org
> Sent: Tuesday, March 04, 2014 14:50
> To: reflector at tvbf.org
> Subject: Reflector Digest, Vol 108, Issue 8
>
>
>
> Send Reflector mailing list submissions to
>
> reflector at tvbf.org
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> When replying, please edit your Subject line so it is more specific
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> than "Re: Contents of Reflector digest..."
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>
>
>
>
> Today's Topics:
>
>
>
> 1. Re: Reflector Digest, Vol 108, Issue 5 (Don Johnston)
>
> 2. Re: Air intake (Richard J. Gentil)
>
>
>
>
>
> ----------------------------------------------------------------------
>
>
>
> Message: 1
>
> Date: Tue, 4 Mar 2014 13:37:11 -0600
>
> From: Don Johnston <numa at comcast.net>
>
> To: Velocity Aircraft Owners and Builders list <reflector at tvbf.org>
>
> Subject: Re: REFLECTOR: Reflector Digest, Vol 108, Issue 5
>
> Message-ID:
>
> <CALD29irBF39WqCRh5Un7SqVPA_bBjXCTtGmfJoh4vC5k4SGc0w at mail.gmail.com>
>
> Content-Type: text/plain; charset="iso-8859-1"
>
>
>
> Nick,
>
>
>
> Got any pictures of your duct and alternate air door?
>
>
>
> -Don
>
>
>
>
>
> On Tue, Mar 4, 2014 at 12:07 PM, Jones Nick <nick.jones at volvo.com> wrote:
>
>
>
> > I installed a NACA scoop from a Lancair IV in the bottom cowl with a
> K&N
>
> > air filter from a Dodge Viper with plumbing going up to the intake on the
>
> > engine. I have a Cirrus SR22 alternate air door at the intake if things
> go
>
> > wrong. I can't speak to how successful it is because I have not flown it
>
> > yet, but it is installed in a high pressure area and it works good on the
>
> > Lancair.
>
> >
>
> > Nick and Connie Jones
>
> > Velocity XL-RG
>
> > N10CN
>
> > -----Original Message-----
>
> > From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org<reflector-bounces at tvbf.org>]
> On
>
> > Behalf Of reflector-request at tvbf.org
>
> > Sent: Monday, March 03, 2014 19:58
>
> > To: reflector at tvbf.org
>
> > Subject: Reflector Digest, Vol 108, Issue 5
>
> >
>
> > Send Reflector mailing list submissions to
>
> > reflector at tvbf.org
>
> >
>
> > To subscribe or unsubscribe via the World Wide Web, visit
>
> > http://www.tvbf.org/mailman/listinfo/reflector
>
> > or, via email, send a message with subject or body 'help' to
>
> > reflector-request at tvbf.org
>
> >
>
> > You can reach the person managing the list at
>
> > reflector-owner at tvbf.org
>
> >
>
> > When replying, please edit your Subject line so it is more specific
>
> > than "Re: Contents of Reflector digest..."
>
> >
>
> >
>
> > Today's Topics:
>
> >
>
> > 1. Re: Air intake (Don Johnston)
>
> > 2. Re: Air intake (Brett Ferrell)
>
> > 3. Re: Air intake (Mike Dawson)
>
> >
>
> >
>
> > ----------------------------------------------------------------------
>
> >
>
> > Message: 1
>
> > Date: Mon, 3 Mar 2014 12:36:07 -0600
>
> > From: Don Johnston <numa at comcast.net>
>
> > To: Velocity Aircraft Owners and Builders list <reflector at tvbf.org>
>
> > Subject: Re: REFLECTOR: Air intake
>
> > Message-ID:
>
> > <CALD29ipyRcCd7LpQfi6L_Q3mXTw-DT=
>
> > X9vQd646zL+152tTY_Q at mail.gmail.com>
>
> > Content-Type: text/plain; charset="iso-8859-1"
>
> >
>
> > I can't speak to the benefits of a scoop, but Malcolm told me once not to
>
> > center it under the cowling. He said that debris from the nose wheel will
>
> > get flung up into it.
>
> >
>
> >
>
> > On Mon, Mar 3, 2014 at 11:11 AM, Jack Prock <jackprock at wavecable.com>
>
> > wrote:
>
> >
>
> > > Hi,
>
> > >
>
> > >
>
> > >
>
> > > I would like to know if anyone has any thoughts on air intakes. I am
>
> > > getting down to the last
>
> > >
>
> > > few items on my list before flight and one thing I was thinking about
> was
>
> > > to put in an air intake
>
> > >
>
> > > scoop under the engine cowling. Something along these lines:
>
> > >
>
> > >
>
> > >
>
> > > [image: NHRA Pro Stock Composite Hood Scoop 100-8506]
>
> > >
>
> > >
>
> > >
>
> > > Now my question, is for the people that have put an external air intake
>
> > on
>
> > > the plane.
>
> > >
>
> > > Do you get a boost at higher altitude because of the ram air effect?
> Does
>
> > > the drag of
>
> > >
>
> > > the scoop outweigh any positive effect from the boost?
>
> > >
>
> > >
>
> > >
>
> > > I have already started designing the scoop, but now have second
> thoughts
>
> > > and wanted
>
> > >
>
> > > to see if I was going down the wrong path.
>
> > >
>
> > >
>
> > >
>
> > > Any thoughts?
>
> > >
>
> > >
>
> > >
>
> > > Jack Prock
>
> > >
>
> > > _______________________________________________
>
> > > 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
>
> > >
>
> > -------------- next part --------------
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> >
>
> > ------------------------------
>
> >
>
> > Message: 2
>
> > Date: Mon, 03 Mar 2014 14:25:13 -0500
>
> > From: Brett Ferrell <reflector at velocityxl.com>
>
> > To: reflector at tvbf.org
>
> > Subject: Re: REFLECTOR: Air intake
>
> > Message-ID:
>
> > <1393874713.11315.90070521.7186B86E at webmail.messagingengine.com>
>
> > Content-Type: text/plain; charset="us-ascii"
>
> >
>
> > Thanks for the shout-out... we do have a narrow deck Lycoming, but it
>
> > dynoed at just over 300 HP, with high compression pistons...
>
> >
>
> >
>
> >
>
> > --
>
> > Brett Ferrell
>
> > reflector at velocityxl.com
>
> >
>
> >
>
> >
>
> >
>
> >
>
> > On Mon, Mar 3, 2014, at 12:49 PM, Mike Dawson wrote:
>
> >
>
> > N44FV, a XLFG with a 260hp Lycoming, has been said to do about 180.
>
> > This by Scott Swing who flew it as seen in a you tube video. Whether
>
> > this was MPH or KTS really doesn't matter, Here is why. I own a XLFG
>
> > with a 350hp Chevy V8. Other than downhill I have only seen 174KTS flat
>
> > out!
>
> > Now granted it is still in rough primer but I don't believe paint will
>
> > make up for the airscoop I have hanging below the belly for the
>
> > radiator.
>
> >
>
> > Our sleek airframes don't like stuff hanging off of them.
>
> >
>
> > N427VA a SERG 427 V8 useing NACA scoops to cool however, hauls ass.
>
> > Bill and Brett did it right IMHO!
>
> >
>
> > Mike
>
> > N104DD
>
> >
>
> > *
>
> > -------------- next part --------------
>
> > An HTML attachment was scrubbed...
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> > >
>
> >
>
> > ------------------------------
>
> >
>
> > Message: 3
>
> > Date: Mon, 3 Mar 2014 16:57:30 -0800
>
> > From: Mike Dawson <medawson250 at yahoo.com>
>
> > To: Velocity Aircraft Owners and Builders list <reflector at tvbf.org>
>
> > Subject: Re: REFLECTOR: Air intake
>
> > Message-ID: <0A6EE711-E0D6-46E4-B9B4-73F14DD0FB3E at yahoo.com>
>
> > Content-Type: text/plain; charset="us-ascii"
>
> >
>
> > Well that makes me feel a little better.
>
> > I do have to say mine climbs well but that is usually what excess
>
> > horsepower does anyway.
>
> > My apologies.
>
> >
>
> >
>
> >
>
> > Michael E Dawson
>
> > ATCI CFII
>
> >
>
> >
>
> > > On Mar 3, 2014, at 11:25 AM, Brett Ferrell <reflector at velocityxl.com>
>
> > wrote:
>
> > >
>
> > > Thanks for the shout-out... we do have a narrow deck Lycoming, but it
>
> > dynoed at just over 300 HP, with high compression pistons...
>
> > >
>
> > > --
>
> > > Brett Ferrell
>
> > > reflector at velocityxl.com
>
> > >
>
> > >
>
> > >> On Mon, Mar 3, 2014, at 12:49 PM, Mike Dawson wrote:
>
> > >> N44FV, a XLFG with a 260hp Lycoming, has been said to do about 180.
>
> > This by Scott Swing who flew it as seen in a you tube video. Whether this
>
> > was MPH or KTS really doesn't matter, Here is why. I own a XLFG with a
>
> > 350hp Chevy V8. Other than downhill I have only seen 174KTS flat out!
>
> > >> Now granted it is still in rough primer but I don't believe paint will
>
> > make up for the airscoop I have hanging below the belly for the radiator.
>
> > >>
>
> > >> Our sleek airframes don't like stuff hanging off of them.
>
> > >>
>
> > >> N427VA a SERG 427 V8 useing NACA scoops to cool however, hauls ass.
>
> > Bill and Brett did it right IMHO!
>
> > >>
>
> > >> Mike
>
> > >> N104DD
>
> > > _______________________________________________
>
> > > 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
>
> > -------------- next part --------------
>
> > An HTML attachment was scrubbed...
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>
> >
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>
> > >
>
> >
>
> > ------------------------------
>
> >
>
> > _______________________________________________
>
> > Visit the gallery! tvbf:jamaicangoose
>
> >
>
> > End of Reflector Digest, Vol 108, Issue 5
>
> > *****************************************
>
> >
>
> > _______________________________________________
>
> > 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
>
> >
>
> -------------- next part --------------
>
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>
>
> ------------------------------
>
>
>
> Message: 2
>
> Date: Tue, 4 Mar 2014 14:50:11 -0500
>
> From: "Richard J. Gentil" <richard at naples-air-center.com>
>
> To: Velocity Aircraft Owners and Builders list <reflector at tvbf.org>
>
> Subject: Re: REFLECTOR: Air intake
>
> Message-ID:
>
> <6F7CA695-B110-4A0B-BDE7-6A007E1C0DD5 at naples-air-center.com>
>
> Content-Type: text/plain; charset="us-ascii"
>
>
>
> My IO-390 had the intake facing the prop so I had to come up with a
> solution to getting air to it. I took the two armpit scoops, but them to
> make a single scoop which I mounted to the rear of the cowling. I also have
> to push out the bottom of the cowl because the intake on the engine hung
> down just slightly too low.
>
>
>
> I used a Cessna C-172 bracket filter which you can see in the pictures.
>
>
>
> Here are some of my old construction photos:
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
> Richard
>
>
>
> Sent from my iPhone 5 Classic
>
>
>
> > On Mar 4, 2014, at 2:03 PM, Mel Bina <pusherpilot1 at gmail.com> wrote:
>
> >
>
> > Air intake.<a005_5 (Med).jpg>
>
> >
>
> >
>
> >> On Tue, Mar 4, 2014 at 12:01 PM, Mel Bina <pusherpilot1 at gmail.com>
> wrote:
>
> >> Attached is a photo of my intake. It was a Velocity part that I
> modified. The intake fed directly into a filter box (photo attached) and
> into the fuel servo.
>
> >>
>
> >> Mel Bina<a004_4 (Med).jpg>
>
> >>
>
> >>
>
> >>> On Mon, Mar 3, 2014 at 5:57 PM, Mike Dawson <medawson250 at yahoo.com>
> wrote:
>
> >>> Well that makes me feel a little better.
>
> >>> I do have to say mine climbs well but that is usually what excess
> horsepower does anyway.
>
> >>> My apologies.
>
> >>>
>
> >>>
>
> >>>
>
> >>> Michael E Dawson
>
> >>> ATCI CFII
>
> >>>
>
> >>>
>
> >>>> On Mar 3, 2014, at 11:25 AM, Brett Ferrell <reflector at velocityxl.com>
> wrote:
>
> >>>>
>
> >>>> Thanks for the shout-out... we do have a narrow deck Lycoming, but it
> dynoed at just over 300 HP, with high compression pistons...
>
> >>>>
>
> >>>> --
>
> >>>> Brett Ferrell
>
> >>>> reflector at velocityxl.com
>
> >>>>
>
> >>>>
>
> >>>>> On Mon, Mar 3, 2014, at 12:49 PM, Mike Dawson wrote:
>
> >>>>> N44FV, a XLFG with a 260hp Lycoming, has been said to do about 180.
> This by Scott Swing who flew it as seen in a you tube video. Whether this
> was MPH or KTS really doesn't matter, Here is why. I own a XLFG with a
> 350hp Chevy V8. Other than downhill I have only seen 174KTS flat out!
>
> >>>>> Now granted it is still in rough primer but I don't believe paint
> will make up for the airscoop I have hanging below the belly for the
> radiator.
>
> >>>>>
>
> >>>>> Our sleek airframes don't like stuff hanging off of them.
>
> >>>>>
>
> >>>>> N427VA a SERG 427 V8 useing NACA scoops to cool however, hauls ass.
> Bill and Brett did it right IMHO!
>
> >>>>>
>
> >>>>> Mike
>
> >>>>> N104DD
>
> >>>
>
> >>>> _______________________________________________
>
> >>>> 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
>
> >>>
>
> >>> _______________________________________________
>
> >>> 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
>
> >
>
> > _______________________________________________
>
> > 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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>
> ------------------------------
>
>
>
> _______________________________________________
>
> Visit the gallery! tvbf:jamaicangoose
>
>
>
> End of Reflector Digest, Vol 108, Issue 8
>
> *****************************************
>
> _______________________________________________
> 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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