REFLECTOR: barn door speed brake
Richard J. Gentil
richard at naples-air-center.com
Sun Oct 8 13:23:58 CDT 2006
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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