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11-30-2015, 03:44 AM
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Join Date: Sep 2015
Location: Park Ridge, NJ
Posts: 639
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Quote:
Originally Posted by RV7A Flyer
So now a somewhat more serious question...how are you missing these steps? This sounds like something of a *process* problem which you may need to address, lest you get further into the build and miss other steps which are harder to correct.
Granted this is a -10, and I built a -7, so I don't know how the instructions are laid out for yours, but just a suggestion to figure out *why* you missed these...
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Yep, you are exactly right. It's a problem. It's an interpretation of the instructions problem. I was looking at the illustrations and the illustrations could be interpreted wrong, which I did. I'm not saying it's Vans fault because I didn't fully understand it, but it could be clearer. Moving forward I need to cross reference the text and images.
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11-30-2015, 06:11 AM
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Join Date: Nov 2015
Location: Lillian AL
Posts: 8
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Do overs
We've all made mistakes requiring do overs. Your rivets look good. How's your rivet removing skills? If it were mine, I would start drilling/snapping out the skin to spar rivets, remove spar and put in the missing 470-4-5 rivets. When reinstalling the skin to spar 426 rivets, give them a slight squeeze before putting them in holes to fit oversized holes. It will take less time than you think to fix this and you will learn a new skill in the process. Fixing our mistakes is gratifying in itself knowing you did it right. Bucking bars have been sealed inside stabs! Makes for good builder stories.
__________________
Regards,
Bob
RV8 N426NC
J3 NC33242
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11-30-2015, 06:26 AM
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Join Date: Sep 2015
Location: Park Ridge, NJ
Posts: 639
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Quote:
Originally Posted by bobbyhargrave
We've all made mistakes requiring do overs. Your rivets look good. How's your rivet removing skills? If it were mine, I would start drilling/snapping out the skin to spar rivets, remove spar and put in the missing 470-4-5 rivets. When reinstalling the skin to spar 426 rivets, give them a slight squeeze before putting them in holes to fit oversized holes. It will take less time than you think to fix this and you will learn a new skill in the process. Fixing our mistakes is gratifying in itself knowing you did it right. Bucking bars have been sealed inside stabs! Makes for good builder stories.
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Thanks Bob... that is probably what I will wind up doing. Its all a learning process and this site is what makes it great - so many folks willing to share their experiences. I can't believe how much I've learned already. This is a new skill for me. I've never built anything like this before.
I'm waiting to hear back from Van's - but I have a feeling that I will do what you're suggesting. I think I can do it by just removing the rivets along the edges, which I squeezed. I'm waiting for a few "rivet removal" tools to arrive, then I will tackle this.
Some of the take-aways from this...
1. Read everything twice, then read it again
2. Make sure that the illustrations and text match - if not, ask
3. Prior to closing parts up, go through all the previous steps again to make sure nothing was forgotten.
4. If there are open holes where it looks like rivets should go, go back through and make sure you didn't miss a step.
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11-30-2015, 06:36 AM
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Join Date: Jun 2006
Location: Boca Raton, Florida
Posts: 436
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I hate to say it, and I am sure Vans will agree, with all of those missing, you need to do it all over. Too important of a part to leave that doubler as is.
Better safe than sorry!
Take your time with the rest of the build:-)
Nordo
__________________
Al "Nordo" Grajek
repeat offender
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RV8
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Now RV7A!!
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11-30-2015, 08:15 AM
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Join Date: Feb 2015
Location: Oklahoma City
Posts: 913
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Quote:
Originally Posted by cderk
Some of the take-aways from this...
1. Read everything twice, then read it again
2. Make sure that the illustrations and text match - if not, ask
3. Prior to closing parts up, go through all the previous steps again to make sure nothing was forgotten.
4. If there are open holes where it looks like rivets should go, go back through and make sure you didn't miss a step.
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I've only been building for about 3 months or so. I used to beat myself up on the mistakes and some of them really made me sick. However it really just comes down to time and money - time to redo the parts and money to buy the new parts or materials. In the end taking the time to correct your mistakes and do it right is the best way because you won't have to worry about it again.
Just really double check the HS Spars and what you're doing. I made about 3 mistakes before I noticed it and had to scrap the part... getting things shipped by freight wasn't the cheapest.
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11-30-2015, 08:50 AM
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Join Date: Nov 2009
Location: Yardley, PA
Posts: 1,334
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Ooops rivets
Also remember oops rivets are your friend when you are concerned you've enlarged the hole after drilling out a rivet. I had to drill out 20 rivets on my elevator when I realized I'd forgotten to dimple the stiffener ribs... Go slow, take your time, you'll be amazed how quickly and easily you can fix this. This is NO BIG DEAL - we all do this stupid stuff.
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11-30-2015, 03:01 PM
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Join Date: Sep 2015
Location: Park Ridge, NJ
Posts: 639
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I got a response back from Van's. Those guys are great. The recommendation action was to follow SB-06-2-3 for the Vertical Stabilizer. Back in 2006, they introduced the SB because of cracking in the web of the rear spar. They added a hinge doubler.
The instructions are straight forward and it doesn't look terribly painful - maybe 20 rivets to remove.
Thanks for all the feedback.
Charlie
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11-30-2015, 04:37 PM
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Join Date: Jul 2013
Location: US
Posts: 2,251
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Quote:
Originally Posted by cderk
I got a response back from Van's. Those guys are great. The recommendation action was to follow SB-06-2-3 for the Vertical Stabilizer. Back in 2006, they introduced the SB because of cracking in the web of the rear spar. They added a hinge doubler.
The instructions are straight forward and it doesn't look terribly painful - maybe 20 rivets to remove.
Thanks for all the feedback.
Charlie
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Hmmmm...so *that's* what those other 4 open holes were for, eh?
Again, I don't know about the -10, but if you bought the empennage kit after 2006, shouldn't it have included the doubler (and shown it on the instructions/plans)?
And if it didn't...then did you not check the SBs ahead of time? If you had, then you should have seen this SB and the purpose of those "extra" holes would have been clear.
It's early in the game to be missing things like this...
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11-30-2015, 05:21 PM
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Join Date: Sep 2015
Location: Park Ridge, NJ
Posts: 639
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They sent me the SB because it provides good illustration on how to disassemble to get to that area, NOT because I need to perform the SB. So, while I appreciate your concern, no, I'm not missing anything else. I already have the hinge doubler installed.
Thanks
Last edited by cderk : 11-30-2015 at 05:24 PM.
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11-30-2015, 05:32 PM
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Join Date: Jul 2013
Location: US
Posts: 2,251
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Quote:
Originally Posted by cderk
They sent me the SB because it provides good illustration on how to disassemble to get to that area, NOT because I need to perform the SB. So, while I appreciate your concern, no, I'm not missing anything else. I already have the hinge doubler installed.
Thanks
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Ah, good. Not trying to be harsh, just trying to "cast a critical eye" and help out.
In any case, looks like an easy fix just by removing that small upper rib.
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