RV9-List Digest Archive

Sat 12/01/07


Total Messages Posted: 8



Today's Message Index:
----------------------
 
     1. 03:35 AM - Re: Looking for advice on Wing and Fuse Kit: QB or Standard  (Carlos Trigo)
     2. 08:52 AM - Re: Looking for advice on Wing and Fuse Kit: QB or Standard ()
     3. 11:47 AM - WTB: RV-9A Wings / Fuselage (jedwards)
     4. 12:02 PM - Re: Looking for advice on Wing and Fuse Kit: QB or Standard (RScott)
     5. 04:03 PM - Re: Looking for advice on Wing and Fuse Kit: QB or Standard (bobperk90658@bellsouth.net)
     6. 06:38 PM - Shipping & Duty (D & D)
     7. 09:23 PM - Re: Looking for advice on Wing and Fuse Kit: QB or Standard (Charlie England)
     8. 10:02 PM - Re: Looking for advice on Wing and Fuse Kit: QB or Standard (Ralph Cloud)
 
 
 


Message 1


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    Time: 03:35:31 AM PST US
    From: "Carlos Trigo" <trigo@mail.telepac.pt>
    Subject: Looking for advice on Wing and Fuse Kit: QB or Standard
    Guys You are referring to the Hotel Whisky extra tanks, but I want to call your attention to the fact that they don't have them for the -9. I don't know why, but every time I ask them (and I've done it in the last 3 years or so), they keep answering that they still don't have the tanks for the -9. Maybe you could ask them now... Let me add that I also think that it should be easy to adapt the tanks which they sell for the -7 to be used on the -9, but before ordering them I would like to have the kit in my hands and I am in the other side of the big pond Carlos Trigo RV-9A Portugal > -----Original Message----- > From: owner-rv9-list-server@matronics.com [mailto:owner-rv9-list- > server@matronics.com] On Behalf Of Ralph Cloud > Sent: sbado, 1 de Dezembro de 2007 2:23 > To: rv9-list@matronics.com > Subject: RE: RV9-List: Looking for advice on Wing and Fuse Kit: QB or Standard > > > If it's more fuel that is your decision hinge point, look at the Hotel > Whisky (marketed by SafeAir1 extended tanks. The put a tubular tank in > the lightening holes of the leading edge ribs from the existing tank to > the tip with a filler in the tip, gets about 1 to 2 hours extended > range. It can easily be retrofitted or you can put the fuel bungs on > your existing tank either in construction or after it is built. > > The website is: http://www.safeair1.com/index.htm > > Ralph -- wings > Livermore, CA > Do not archive > >


    Message 2


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    Time: 08:52:54 AM PST US
    From: <dthomas773@sbcglobal.net>
    Subject: Re: Looking for advice on Wing and Fuse Kit: QB or Standard
    Bob, Did you talk to Van's or have available to you engineering support for this change? I would think 84 pounds that far outboard on the wing would seriously degrade load factor safety margins. Just curious. Dennis Thomas --- bobperk90658@bellsouth.net wrote: > Charlie the retro fit on my RV9 wing tanks was > fairly straight forward. Sealed up the last 3 > outboard bays of the wing added all the necessary > hard ware, Level indicators, low point sump, and > fuel pick up, and a new filler ring at the wing tip > and it came up with 14 gal extra space in each > wing. Not that I want to travel around the world > but I do want to get back from those long cross > countries that terminate at someones back yard > field with no way to fuel up unless I stop on the > way home, I would have to leave earlier. And miss > the fun. > > Bob Perkinson > RV-9 > do not archive > > -------------- Original message from Charlie England > <ceengland@bellsouth.net>: -------------- > > > > > > Easy: tankering. If you can buy wholesale or have > an auto-fuel capable > > engine, you can do many mid-range trips both ways > without refueling. > > > > An extra 10 gal might not help a lot, but another > 20 would certainly be > > beneficial. > > > > I bought slow build wings for my -7 kit because I > wanted to add fuel > > capacity, but in retrospect it wouldn't be that > hard to add fuel after > > the fact. There's a guy in FL doing 'hired gun' > work on Mustang replica > > kits. He starts with QB kits, cuts access holes on > the bottom of the > > leading edge 'D' cells, 'caulks' the joints & shop > heads of the rivets & > > seals up the holes. > > > > On the -9, it might be even easier. Where are the > lightening holes in > > the spar, outside the existing tanks? You might be > able to reach in > > through those holes to seal the joints/rivet > heads, then close the > > lightening holes with sealed plates. Fuel pickup > can go through the > > spar, or if you skip a bay, you can put the pickup > in the rib just like > > the stock tank. > > > > Having added 'wet wing' aux tanks to the -7 wing > leading edges, I'm > > confident that the technique described above on a > QB wing would be a lot > > easier and faster than what I did on the slow > build wings. > > > > If the -9 QB wing is like the -7 QB, with one of > the bottom skins left > > for the builder, then any of the other mods should > be a non-event. > > > > I don't really want to talk about how many hours > I've got in the wings... > > > > Charlie > > > > Streiker, Stephen D. wrote: > Stephen D." > > > > > > You said: 'I might want to extend the fuel tank > 4 or 5 gals on each > > > side' > > > > > > Why? Is there some big mission deviation that > you are planning? > > > > > > > > > Stephen (Steve) Streiker > > > > > > > > > -----Original Message----- > > > From: owner-rv9-list-server@matronics.com > > > [mailto:owner-rv9-list-server@matronics.com] On > Behalf Of Ralph Finch > > > Sent: Friday, November 30, 2007 2:48 PM > > > To: rv-list@matronics.com; > rv9-list@matronics.com > > > Subject: RV9-List: Looking for advice on Wing > and Fuse Kit: QB or > > > Standard > > > > > > > > > On Monday December 3 a buddy and I will each > order the kits for the -9A, > > > and > > > of course we must choose between the Quick Build > and Standard. > > > > > > We understand the principle of trading dollars > for time, and both of us > > > lean > > > towards saving time. But we wonder what > additional items or things might > > > we > > > want to do to the fuselage or wing, that would > be difficult to do if > > > starting from the QB? For instance, I might want > to extend the fuel tank > > > 4 > > > or 5 gals on each side, and that would be almost > impossible to do with > > > the > > > QB wing. > > > > > > Or again, I am interested in using a combined > pitot > > > tube/angle-of-attack. Is > > > this much harder to install with a QB wing? > > > > > > Also, how long have you taken building the > Standard wing? > > > > > > If this has been asked before just point me to > the thread.... > > > > > > [Also posted in the VAF ] > > > > > > Ralph Finch > > > Davis, California > > > > > > > > > > > > > >


    Message 3


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    Time: 11:47:51 AM PST US
    From: "jedwards" <jedwards@digital.net>
    Subject: WTB: RV-9A Wings / Fuselage
    Does anyone have a wing and/or fuselage kit (QB or at any stage) they are willing to sell. I'm in Florida, so the closer the better, but I'm willing to pick up from just about anywhere. Thanks, John Edwards RV-9A - Slider - Empennage


    Message 4


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    Time: 12:02:01 PM PST US
    From: RScott <rscott@cascadeaccess.com>
    Subject: Re: Looking for advice on Wing and Fuse Kit: QB or Standard
    Ralph, Here are some complications you will encounter if you try this: The fuel tank skins are thicker than the leading edge skins. The LE skin feels pretty flimsy by comparison. If you simply seal in the leading edge for one or 2 rib bays, that little tank won't be as strong as the regular tank. I don't know if this is a problem. If you want to use fuel tank skins just for the width of your additional tank area, you will need to install an extra rib at the outboard end of your tank with a splice strip; at least that's how the factory joined the tank skin with the LE skin. And how are you going to cut a prebent skin to get a nice straight edge so the joint will look good? Maybe Van's, if you ask nicely, will provide you with a LE skin the thickness of the tank skin, but I doubt it. There is no provision in the spar for an additional rib at the joint between your tank and the LE and I don't know if you could modify it. You can't just use tank skins full width because the tank skins are an inch or two shorter than the LE skins. Then you also have to route fuel and vent lines. My suggestion? Forget it. The closer you stick to the original design, the faster the plane will go together, the sooner you will be flying. Use a fuel injected engine, lean out, throttle back to get range. After you are flying, then consider maybe a baggage compartment aux tank like a friend of mine is building. Removable, & he only intends to use it when flying solo. Estimates 5 gallons. Much simpler concept, no structural questions. Has to keep it in mid for W&B, however, so he will mount it up next to the seat back. Richard Scott RV-9A Fuselage Ralph Finch wrote: > > On Monday December 3 a buddy and I will each order the kits for the -9A, and > of course we must choose between the Quick Build and Standard. > > We understand the principle of trading dollars for time, and both of us lean > towards saving time. But we wonder what additional items or things might we > want to do to the fuselage or wing, that would be difficult to do if > starting from the QB? For instance, I might want to extend the fuel tank 4 > or 5 gals on each side, and that would be almost impossible to do with the > QB wing. > > Or again, I am interested in using a combined pitot tube/angle-of-attack. Is > this much harder to install with a QB wing? > > Also, how long have you taken building the Standard wing? > > If this has been asked before just point me to the thread.... > > [Also posted in the VAF ] > > Ralph Finch > Davis, California > > >


    Message 5


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    Time: 04:03:27 PM PST US
    From: bobperk90658@bellsouth.net
    Subject: Re: Looking for advice on Wing and Fuse Kit: QB or Standard
    Dennis, I have not personally run the numbers, but I am not the only one that has put a little extra weight out on the wings. Check out this RV-9A http://www3.telus.net/haywire/RV-9/C-FSTB.htm When I wrote to Van's they only told me that there had not been any engineering studies preformed on this modification. I have the option to go without. Bob Perkinson Do Not Archive -------------- Original message from <dthomas773@sbcglobal.net>: -------------- > > Bob, > Did you talk to Van's or have available to you > engineering support for this change? I would think 84 > pounds that far outboard on the wing would seriously > degrade load factor safety margins. > Just curious. > > Dennis Thomas <html> <!-- BEGIN WEBMAIL STATIONERY --> <head></head> <body> <!-- WEBMAIL STATIONERY noneset --> <DIV></DIV> <P>Dennis,<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></P> <P>I have not personally run the numbers, but I am not the only&nbsp;one that has put a little extra weight out on the wings.&nbsp; Check out this RV-9A<o:p></o:p></P> <P><A href="http://www3.telus.net/haywire/RV-9/C-FSTB.htm"><FONT color=#800080>http://www3.telus.net/haywire/RV-9/C-FSTB.htm</FONT></A><o:p></o:p></P> <P>&nbsp;<o:p></o:p></P> <P>When I wrote to Van's they only told me that there had not been any engineering studies preformed on this modification. <o:p></o:p></P> <P>&nbsp;<o:p></o:p></P> <P>I have the option to go without.<o:p></o:p></P> <P>&nbsp;<o:p></o:p></P> <P>Bob Perkinson</P> <P>&nbsp;</P> <P>Do Not Archive<o:p></o:p></P> <P class=MsoNormal style="MARGIN: 0in 0in 0pt"><o:p>&nbsp;</o:p></P> <P>&nbsp;</P> <BLOCKQUOTE style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #1010ff 2px solid">-------------- Original message from &lt;dthomas773@sbcglobal.net&gt;: -------------- <BR><BR><BR>&gt; --&gt; RV9-List message posted by: <DTHOMAS773@SBCGLOBAL.NET><BR>&gt; <BR>&gt; Bob, <BR>&gt; Did you talk to Van's or have available to you <BR>&gt; engineering support for this change? I would think 84 <BR>&gt; pounds that far outboard on the wing would seriously <BR>&gt; degrade load factor safety margins. <BR>&gt; Just curious. <BR>&gt; <BR>&gt; Dennis Thomas <BR></BLOCKQUOTE> <!-- END WEBMAIL STATIONERY --> <pre><b><font size=2 color="#000000" face="courier new,courier"> </b></font></pre></body></html>


    Message 6


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    Time: 06:38:24 PM PST US
    From: "D & D" <dnimigon@telusplanet.net>
    Subject: Shipping & Duty
    Hi All I'm just about ready to order the RV-9 standard kit and was wondering if anyone could tell me what I can expect for duty costs and what is the best carrier to have the kit shipped from the USA. I live just west of Edmonton. Dave


    Message 7


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    Time: 09:23:39 PM PST US
    From: Charlie England <ceengland@bellsouth.net>
    Subject: Re: Looking for advice on Wing and Fuse Kit: QB or Standard
    I'm not an engineer, but people who are tell me that it actually *improves* load safety margins. (It also degrades spin characteristics, but that's not what you asked about :-) ) Charlie dthomas773@sbcglobal.net wrote: > > Bob, > Did you talk to Van's or have available to you > engineering support for this change? I would think 84 > pounds that far outboard on the wing would seriously > degrade load factor safety margins. > Just curious. > > Dennis Thomas > --- bobperk90658@bellsouth.net wrote: > >> Charlie the retro fit on my RV9 wing tanks was >> fairly straight forward. Sealed up the last 3 >> outboard bays of the wing added all the necessary >> hard ware, Level indicators, low point sump, and >> fuel pick up, and a new filler ring at the wing tip >> and it came up with 14 gal extra space in each >> wing. Not that I want to travel around the world >> but I do want to get back from those long cross >> countries that terminate at someones back yard >> field with no way to fuel up unless I stop on the >> way home, I would have to leave earlier. And miss >> the fun. >> >> Bob Perkinson >> RV-9 >> do not archive >> >> -------------- Original message from Charlie England >> <ceengland@bellsouth.net>: -------------- >> >> >>> >>> Easy: tankering. If you can buy wholesale or have >> an auto-fuel capable >>> engine, you can do many mid-range trips both ways >> without refueling. >>> An extra 10 gal might not help a lot, but another >> 20 would certainly be >>> beneficial. >>> >>> I bought slow build wings for my -7 kit because I >> wanted to add fuel >>> capacity, but in retrospect it wouldn't be that >> hard to add fuel after >>> the fact. There's a guy in FL doing 'hired gun' >> work on Mustang replica >>> kits. He starts with QB kits, cuts access holes on >> the bottom of the >>> leading edge 'D' cells, 'caulks' the joints & shop >> heads of the rivets & >>> seals up the holes. >>> >>> On the -9, it might be even easier. Where are the >> lightening holes in >>> the spar, outside the existing tanks? You might be >> able to reach in >>> through those holes to seal the joints/rivet >> heads, then close the >>> lightening holes with sealed plates. Fuel pickup >> can go through the >>> spar, or if you skip a bay, you can put the pickup >> in the rib just like >>> the stock tank. >>> >>> Having added 'wet wing' aux tanks to the -7 wing >> leading edges, I'm >>> confident that the technique described above on a >> QB wing would be a lot >>> easier and faster than what I did on the slow >> build wings. >>> If the -9 QB wing is like the -7 QB, with one of >> the bottom skins left >>> for the builder, then any of the other mods should >> be a non-event. >>> I don't really want to talk about how many hours >> I've got in the wings... >>> Charlie >>> >>> Streiker, Stephen D. wrote: >> Stephen D." >>>> You said: 'I might want to extend the fuel tank >> 4 or 5 gals on each >>>> side' >>>> >>>> Why? Is there some big mission deviation that >> you are planning? >>>> >>>> Stephen (Steve) Streiker >>>> >>>> >>>> -----Original Message----- >>>> From: owner-rv9-list-server@matronics.com >>>> [mailto:owner-rv9-list-server@matronics.com] On >> Behalf Of Ralph Finch >>>> Sent: Friday, November 30, 2007 2:48 PM >>>> To: rv-list@matronics.com; >> rv9-list@matronics.com >>>> Subject: RV9-List: Looking for advice on Wing >> and Fuse Kit: QB or >>>> Standard >>>> >>>> >>>> On Monday December 3 a buddy and I will each >> order the kits for the -9A, >>>> and >>>> of course we must choose between the Quick Build >> and Standard. >>>> We understand the principle of trading dollars >> for time, and both of us >>>> lean >>>> towards saving time. But we wonder what >> additional items or things might >>>> we >>>> want to do to the fuselage or wing, that would >> be difficult to do if >>>> starting from the QB? For instance, I might want >> to extend the fuel tank >>>> 4 >>>> or 5 gals on each side, and that would be almost >> impossible to do with >>>> the >>>> QB wing. >>>> >>>> Or again, I am interested in using a combined >> pitot >>>> tube/angle-of-attack. Is >>>> this much harder to install with a QB wing? >>>> >>>> Also, how long have you taken building the >> Standard wing? >>>> If this has been asked before just point me to >> the thread.... >>>> [Also posted in the VAF ] >>>> >>>> Ralph Finch >>>> Davis, California >>>>


    Message 8


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    Time: 10:02:03 PM PST US
    From: "Ralph Cloud" <rv9ralph@tailsrwaggin.biz>
    Subject: Looking for advice on Wing and Fuse Kit: QB or Standard
    Vans' addressed the issues surrounding adding aux fuel tanks in an RVAter article sometime in the last 18 months. Ralph Wings Livermore Do not archive




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