REFLECTOR: barn door speed brake

Richard J. Gentil richard at naples-air-center.com
Sun Oct 8 13:54:28 CDT 2006


Scott,

Has anyone done a speed brake system in the Velo wings?

Richard

Scott Baker wrote:
> Plan on installing a speed-brake in all FG models, especially when 
> operating with a fixed pitch propeller.
> SB
>
>     ----- Original Message -----
>     *From:* Richard J. Gentil <mailto:richard at naples-air-center.com>
>     *To:* Velocity Aircraft Owners and Builders list
>     <mailto:reflector at tvbf.org>
>     *Sent:* Sunday, October 08, 2006 2:23 PM
>     *Subject:* Re: REFLECTOR: barn door speed brake
>
>     David,
>
>     I am building the SE RG. I went without since, my gear will be my
>     speed brake. Are an RG or FG?
>
>     Richard
>
>
>
>     David Ullman wrote:
>>     I am building an Se and flew in one the other day that did not have a speed
>>     brake.  The owner said the Duane Swing had told him no to bother.  The plane
>>     landed fine.  Do those of you who have one use it?  It is worth the effort
>>     to install?
>>
>>     Dr. David G. Ullman
>>     Robust Decisions Inc
>>     1655 NW Hillcrest Drive
>>     Corvallis, Oregon, 97330 USA
>>     Phone 541-758-5088
>>     Direct Phone: 541-754-3609
>>     FAX 866-898-1007
>>     ullman at robustdecisions.com
>>
>>     -----Original Message-----
>>     From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] On
>>     Behalf Of reflector-request at tvbf.org
>>     Sent: Sunday, October 08, 2006 10:00 AM
>>     To: reflector at tvbf.org
>>     Subject: Reflector Digest, Vol 29, Issue 12
>>
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>>     When replying, please edit your Subject line so it is more specific
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>>
>>     Today's Topics:
>>
>>        1. Re:  Winglet trimming (Andrew Ellzey)
>>        2. Re:  painting fuselage (Dave Black)
>>        3. Re:  Winglet trimming (Jack Prock)
>>        4. Re:  Canard incidence (Al Gietzen)
>>
>>
>>     ----------------------------------------------------------------------
>>
>>     Message: 1
>>     Date: Sat, 7 Oct 2006 21:46:48 -0500
>>     From: "Andrew Ellzey" <ajlz72756 at yahoo.com>
>>     Subject: Re: REFLECTOR: Winglet trimming
>>     To: "Velocity Aircraft Owners and Builders list" <reflector at tvbf.org>
>>     Message-ID: <007b01c6ea84$0123bda0$8302a8c0 at DASINC>
>>     Content-Type: text/plain; format=flowed; charset="iso-8859-1";
>>     	reply-type=original
>>
>>     Steve,
>>
>>     You should call the factory to let them know that there is a problem with 
>>     their winglet template and get an conformation to what I did for mine. I am 
>>     also building my wings and winglets. I had the same issue as you are talking
>>
>>     about. Put your winglet back in the billet half that matches the inboard 
>>     side of the winglet. Mark the lines on the billet half, the 28" mark will 
>>     fall on the billet half and the 12" will fall on your winglet. Now mark the 
>>     1" foam trim line on your winglet per the manual. This line will fall 
>>     entirely on your winglet. Sand your billet half to match the contour of the 
>>     trailing edge where the line comes off the foam of the winglet. Line you 
>>     billet half with plastic to make a mold half for your lay-up. Do your 
>>     inboard lay-up per the manual leaving enough cloth for the entire size per 
>>     the manual. When you put your winglet in your billet half it will form your 
>>     trailing edge for the correct 28". After it cures you will trim the foam 
>>     back the 1" on your winglet per manual, and this line will fall on the foam.
>>
>>     The manual also doesn't tell you what to do with the top of the winglet, 
>>     leave it squared off like it came out of the billet or round it off. I 
>>     rounded mine off to a nice aerodynamic shape. There are now three of us on 
>>     the Reflector that has found the same issue, there probably will be more.
>>
>>     Andy Ellzey
>>
>>
>>     ----- Original Message ----- 
>>     From: "Steve Goldman" <steve at fatcatair.com>
>>     To: <reflector at tvbf.org>
>>     Sent: Saturday, October 07, 2006 6:58 PM
>>     Subject: REFLECTOR: Winglet trimming
>>
>>
>>
>>       
>>>     Well this might be a factory question for monday but we'll see.
>>>
>>>     I got the winglets out of their billets today in hopes of starting on 
>>>     them.
>>>     I got stymied almost immediately. The manual calls for marking a spot 28" 
>>>     from
>>>     the leading edge at the bottom and 12" at the top and trim to the line 
>>>     connecting
>>>     those marks. Well I have more than 12" of foam at the top but I only have 
>>>     27.5"
>>>     at the bottom. So I'm not sure what to do. The manual does say the 
>>>     important
>>>     thing is for them to be as identical as you can do them and since both are
>>>         
>>
>>       
>>>     27.5"
>>>     I could make them match up.
>>>
>>>     I took out the wing trimming template to see what the winglet foam looked 
>>>     like
>>>     next to it and they look short there too. (The curve on the inboard side 
>>>     looks
>>>     remarkably different too but the geometry when it lays on the wing could 
>>>     be
>>>     part of it.)
>>>
>>>     -- 
>>>     Steve Goldman
>>>     '77 Tiger N28531
>>>     Velocity XL5-RG (T-3465hrs 1%)
>>>     Pittsboro, NC (9NC8)
>>>     _______________________________________________
>>>     To change your email address, visit 
>>>     http://www.tvbf.org/mailman/listinfo/reflector
>>>
>>>     Visit the gallery!  www.tvbf.org/gallery
>>>     user:pw >>>     Check new archives: www.tvbf.org/pipermail
>>>     Check old archives: http://www.tvbf.org/archives/velocity/maillist.html
>>>
>>>         
>>
>>
>>
>>     ------------------------------
>>
>>     Message: 2
>>     Date: Sat, 07 Oct 2006 23:54:21 -0400
>>     From: Dave Black <dvblack at comcast.net>
>>     Subject: Re: REFLECTOR: painting fuselage
>>     To: Velocity Aircraft Owners and Builders list <reflector at tvbf.org>
>>     Message-ID: <4528766D.7060203 at comcast.net>
>>     Content-Type: text/plain; charset=us-ascii; format=flowed
>>
>>     Brian,
>>
>>       
>>>>     I hired a professional auto painter to do my Velocity. He showed me many 
>>>>     tricks with the sanding. And he stressed the importance of lots of 
>>>>     airflow to prevent paint dust from settling back on the plane.
>>>>      
>>>>           
>>>     Why is it important to keep the dust off the plane?
>>>         
>>
>>     We're talking about during painting. The airborne paint 'dust' would 
>>     fall onto the still wet paint surface and dull the finish. Nothing you 
>>     couldn't sand out, but still a lot of work. Having lots of cross-flow 
>>     ventilation prevents that.
>>
>>
>>     Dave
>>
>>
>>     ------------------------------
>>
>>     Message: 3
>>     Date: Sat, 7 Oct 2006 22:59:32 -0700
>>     From: "Jack Prock" <jackprock at comcast.net>
>>     Subject: Re: REFLECTOR: Winglet trimming
>>     To: "Velocity Aircraft Owners and Builders list" <reflector at tvbf.org>
>>     Message-ID: <094601c6ea9e$ecd56c20$c801a8c0 at jaxwindows>
>>     Content-Type: text/plain;	charset="iso-8859-1"
>>
>>     Steve,
>>
>>     Andy Ellzey and I both had the same issue. I would think the factory would
>>     update the manual, but they seem slow to
>>     do that even when several people have the same problem over and over.
>>
>>     I asked the EXACT SAME question on the reflector on 7/30... if you go back,
>>     you will see the chat. I will give you
>>     the response that Andy sent me when I asked the question. His is a much
>>     better explanation than I can do:
>>
>>
>>       
>>>>     I had the same issue as you are talking about. Put your winglet
>>>>     back in the billet half that matches the inboard side of the winglet. Mark
>>>>           
>>     the lines on the billet half, the 28" mark
>>       
>>>>     will fall on the billet half and the 12" will fall on your winglet. Now
>>>>           
>>     mark the 1" foam trim line on your winglet
>>       
>>>>     per the manual. This line will fall entirely on your winglet. Sand your
>>>>           
>>     billet half to match the contour of the trailing
>>       
>>>>     edge where the line comes off the foam of the winglet. Line you billet
>>>>           
>>     half with plastic to make a mold half for your
>>       
>>>>     lay-up. Do your inboard lay-up per the manual leaving enough cloth for the
>>>>           
>>     entire size per the manual. When you put
>>       
>>>>     your winglet in your billet half it will form your trailing edge for the
>>>>           
>>     correct 28". After it cures you will trim the foam
>>       
>>>>     back the 1" on your winglet per manual, and this line will fall on the
>>>>           
>>     foam. The manual also doesn't tell you what
>>       
>>>>     to do with the top of the winglet, leave it squared off like it came out
>>>>           
>>     of the billet or round it off. I rounded mine
>>       
>>>>     off to a nice aerodynamic shape. If you have room to attach your wings to
>>>>           
>>     the spar when you are ready to attach
>>       
>>>>     your winglets, as the manual suggests, this is the best way to make sure
>>>>           
>>     your winglets and wings are completely
>>       
>>>>     matched. Make all of the cross check measurements the manual calls for. I
>>>>           
>>     used a water level at the wing tips to
>>       
>>>>     level both wings attached to the spar. I spent 2 full days getting
>>>>           
>>     everything just right, I'm hoping this will payoff in
>>       
>>>>     how my aircraft flies.
>>>>           
>>
>>     I followed this and my winglets came out great. Hope this helped.
>>
>>     Jack Prock
>>
>>
>>     ----- Original Message ----- 
>>     From: "Steve Goldman" <steve at fatcatair.com>
>>     To: <reflector at tvbf.org>
>>     Sent: Saturday, October 07, 2006 4:58 PM
>>     Subject: REFLECTOR: Winglet trimming
>>
>>
>>       
>>>     Well this might be a factory question for monday but we'll see.
>>>
>>>     I got the winglets out of their billets today in hopes of starting on
>>>         
>>     them.
>>       
>>>     I got stymied almost immediately. The manual calls for marking a spot 28"
>>>         
>>     from
>>       
>>>     the leading edge at the bottom and 12" at the top and trim to the line
>>>         
>>     connecting
>>       
>>>     those marks. Well I have more than 12" of foam at the top but I only have
>>>         
>>     27.5"
>>       
>>>     at the bottom. So I'm not sure what to do. The manual does say the
>>>         
>>     important
>>       
>>>     thing is for them to be as identical as you can do them and since both are
>>>         
>>     27.5"
>>       
>>>     I could make them match up.
>>>
>>>     I took out the wing trimming template to see what the winglet foam looked
>>>         
>>     like
>>       
>>>     next to it and they look short there too. (The curve on the inboard side
>>>         
>>     looks
>>       
>>>     remarkably different too but the geometry when it lays on the wing could
>>>         
>>     be
>>       
>>>     part of it.)
>>>
>>>     -- 
>>>     Steve Goldman
>>>     '77 Tiger N28531
>>>     Velocity XL5-RG (T-3465hrs 1%)
>>>     Pittsboro, NC (9NC8)
>>>
>>>
>>>         
>>
>>
>>
>>     ------------------------------
>>
>>     Message: 4
>>     Date: Sun, 8 Oct 2006 07:38:55 -0700
>>     From: "Al Gietzen" <ALVentures at cox.net>
>>     Subject: Re: REFLECTOR: Canard incidence
>>     To: "'Velocity Aircraft Owners and Builders list'"
>>     	<reflector at tvbf.org>
>>     Message-ID: <000501c6eae7$7b940140$6400a8c0 at BigAl>
>>     Content-Type: text/plain; charset="us-ascii"
>>
>>     Subject: Re: REFLECTOR: Canard incidence
>>
>>      
>>
>>     HI AL
>>
>>     The factory advised us to use two mixing sticks under the wingco canard gage
>>     on our XL.
>>
>>     Mack  
>>
>>     Hi, Mack;
>>
>>      
>>
>>     Can you tell me more specifically where/how you placed the sticks.  It will
>>     give me a better idea of how much of a change may be necessary. Two sticks
>>     is about 1/8".  And where did you place the gauge?  With the varying camber
>>     from center to tip, there is only one place where the gauge fits the
>>     coutour.  On mine it was about 2' in from the outboard end.
>>
>>      
>>
>>     When I was installing the canard some years ago, I spoke with both Alan and
>>     Mark Machado at Velocity, and neither suggested anything different about the
>>     use of the incidence gauge.
>>
>>      
>>
>>     Thanks,
>>
>>      
>>
>>     Al
>>
>>      
>>
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>>     ------------------------------
>>
>>     _______________________________________________
>>     Visit the gallery!  tvbf:jamaicangoose
>>
>>     End of Reflector Digest, Vol 29, Issue 12
>>     *****************************************
>>
>>     _______________________________________________
>>     To change your email address, visit http://www.tvbf.org/mailman/listinfo/reflector
>>
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>>     user:pw >>     Check new archives: www.tvbf.org/pipermail
>>     Check old archives: http://www.tvbf.org/archives/velocity/maillist.html
>>
>>
>>       
>
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