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
>>
>> Send Reflector mailing list submissions to
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>> When replying, please edit your Subject line so it is more specific
>> than "Re: Contents of Reflector digest..."
>>
>>
>> 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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>>
>>
>>
>
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