---------------------------------------------------------- RV7-List Digest Archive --- Total Messages Posted Tue 02/16/10: 1 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 01:01 PM - Re: RV7-List Digest: 3 Msgs - 02/15/10 (John Russo) ________________________________ Message 1 _____________________________________ Time: 01:01:48 PM PST US Subject: RV7-List: Re: RV7-List Digest: 3 Msgs - 02/15/10 From: John Russo Regarding the W-818 Pushrod Assembly, there was a thread whether or not this could be weleded on Vansairforce a while back. Lots of good info in here, some people are pro, some are con. http://www.vansairforce.com/community/showthread.php?t=25581&highlight=welded+pushrods On Mon, Feb 15, 2010 at 11:58 PM, RV7-List Digest Server < rv7-list@matronics.com> wrote: > * > > ================================================= > Online Versions of Today's List Digest Archive > ================================================= > > Today's complete RV7-List Digest can also be found in either of the > two Web Links listed below. The .html file includes the Digest formatted > in HTML for viewing with a web browser and features Hyperlinked Indexes > and Message Navigation. The .txt file includes the plain ASCII version > of the RV7-List Digest and can be viewed with a generic text editor > such as Notepad or with a web browser. > > HTML Version: > > > http://www.matronics.com/digest/digestview.php?Style=82701&View=html&Chapter 10-02-15&Archive=RV7 > > Text Version: > > > http://www.matronics.com/digest/digestview.php?Style=82701&View=txt&Chapter 10-02-15&Archive=RV7 > > > =============================================== > EMail Version of Today's List Digest Archive > =============================================== > > > ---------------------------------------------------------- > RV7-List Digest Archive > --- > Total Messages Posted Mon 02/15/10: 3 > ---------------------------------------------------------- > > > Today's Message Index: > ---------------------- > > 1. 07:56 AM - Subject: W-818 Pushrod Assembly (David Stuebner) > 2. 10:04 AM - RV-7 F-7114 L and R fit (David Stuebner) > 3. 09:52 PM - Re: RV-7 F-7114 L and R fit (Joseph F. Giallo, II) > > > ________________________________ Message 1 > _____________________________________ > > > Time: 07:56:29 AM PST US > From: "David Stuebner" > Subject: Subject: RV7-List: W-818 Pushrod Assembly > > > Tom, > I wouldn't be a conservative as the others. The plans call out the option > for welding, so it is an acceptable method of joining he pieces. I would > expect that if you told a competent welder what the materials are he/she > would pick an appropriate filler material and weld prep procedure. The > bead > doesn't have to be flush, so he/she may not even bevel the egdes. As for > the existing holes, I definitly wouldn't worry about the hole in the end > fitting. It's designed to have holes in it. And I wouldn't worry about two > 1/8" holes in the tubing, except one of the goals is to seal the tube up as > best as possible. So, I would rotate the fitting 90degrees and have the > welder fill in the tubing holes. The one drawback to welding is it burns > the primer off the inside. Trade-offs. > And yes, a quick call or email to Van's to confirm won't hurt. > Dave > > > ________________________________ Message 2 > _____________________________________ > > > Time: 10:04:18 AM PST US > From: "David Stuebner" > Subject: RV7-List: RV-7 F-7114 L and R fit > > > Anyone building a -7 have problems with the spar bolt hole locations in the > F-7114 gussets? I am having trouble getting bolts to go through the > center > section and then through the gusset holes. I know the bolts are close > tolerance, but.... I can rationalize that the close tolerance is needed for > the heavy spar end and the heavy components of the center section. Do you > think I can open up the holes in the gussets a bit? > Dave > > > ________________________________ Message 3 > _____________________________________ > > > Time: 09:52:06 PM PST US > From: "Joseph F. Giallo, II" > Subject: Re: RV7-List: RV-7 F-7114 L and R fit > > > Dave, > > This is a known problem - fortunately solvable. Van's will tell you that > the affected components are match drilled, unfortunately the assembly is > what counts and mis-alignments creep in to their assembly processes. I > had special endmills made that fit inside the holes (both sizes) and > would only cut on the end rather than the sides - thus clearing the > interference without damaging the precision holes. If your misalignment > is slight it may be possible to clear using a machinists scraper in a > careful way. If you can't make this work send me your address off-list > and I'll send you the endmills. Make sure to check both sides of the > fuse spar as well as the wing inserts - I found issues in both (yes it > is a quickbuild). The most difficult part of the repair was aligning the > spar holes once the interference was cleared - I had some expert help > from Van's east coast representative to unrivet the forward portion of > the spar within the fuse, the wings were then plugged in and > pseudo-precision pins (also available if you need them) inserted to > align the parts. The spar was then re-riveted to hold the (now correct) > alignment. Hope this last step isn't necessary in your case but I > mention it as it does happen (mine is not the only case.....) > > Regards, > > Joe > N813MJ 80hrs > > David Stuebner wrote: > > > > > > > Anyone building a -7 have problems with the spar bolt hole locations > > in the F-7114 gussets? I am having trouble getting bolts to go > > through the center section and then through the gusset holes. I know > > the bolts are close tolerance, but.... I can rationalize that the > > close tolerance is needed for the heavy spar end and the heavy > > components of the center section. Do you think I can open up the holes > > in the gussets a bit? > > Dave > > > > > > ------------------------------------------------------------------------------------- Other Matronics Email List Services ------------------------------------------------------------------------------------- Post A New Message rv7-list@matronics.com UN/SUBSCRIBE http://www.matronics.com/subscription List FAQ http://www.matronics.com/FAQ/RV7-List.htm Web Forum Interface To Lists http://forums.matronics.com Matronics List Wiki http://wiki.matronics.com Full Archive Search Engine http://www.matronics.com/search 7-Day List Browse http://www.matronics.com/browse/rv7-list Browse Digests http://www.matronics.com/digest/rv7-list Browse Other Lists http://www.matronics.com/browse Live Online Chat! http://www.matronics.com/chat Archive Downloading http://www.matronics.com/archives Photo Share http://www.matronics.com/photoshare Other Email Lists http://www.matronics.com/emaillists Contributions http://www.matronics.com/contribution ------------------------------------------------------------------------------------- These Email List Services are sponsored solely by Matronics and through the generous Contributions of its members.