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04-22-2018, 04:16 AM
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Join Date: Jun 2017
Location: Fullerton, CA
Posts: 130
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Disaster! I?m seriously depressed.
All that was left on my rudder was the riveting of the trailing edge and rolling the leading edge. I used Proseal on the wedge instead of tape, so after it cured I was clearing the holes of excess Proseal and discovered that almost all of the TE holes were double drilled (binocular).
Thinking back I know exactly where this happened. I used a rectangular steel tube to cleco the TE against. I match drilled holes using the TE as a guide. It served its purpose well. I had a perfectly straight TE. I just didn?t use enough care in the match drilling the tube.
The holes look to be about 15 to 20 percent oblong. I think I?m going to buy new parts and rebuild the rudder. I?m not comfortable with such a defect. The cost is about $320 plus shipping. This is a hard lesson to learn. It?s not the cost that bothers me as much as the 40 or so hours I have to spend rebuilding the rudder.
__________________
Art Jackson
RV-14A Kit#140433, N393AJ Reserved
Completed: Vertical Stab/Horizontal Stab 
Scrapped: Rudder 
Working on: Empennage (Elevator)
Construction log - mykitlog.com/ajackson
Dues paid on 10 October 2018
Member of EAA Chapter 92 (KCNO)
Pet peeve: "Lose" (rhymes with "booze") is the opposite of "find". "Loose" (rhymes with "juice") means "not tight".
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04-22-2018, 04:24 AM
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Join Date: Oct 2012
Location: Clearwater, FL KCLW
Posts: 1,281
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I rebuilt what in hindsight would have been a totally airworthy horizontal stabilizer, due to some newbie cosmetic mistakes. I know it stings, but in the long run the extra time and effort will be a rounding error compared to your total build.
One suggestion to feel better is to hold off on building a new one until later. Just move to the next project until you feel better or actually need to mount the rudder.
Chris
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Chris Johnson
RV-9A - Done(ish) 4/5/16! Flying 4/7/16
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04-22-2018, 05:46 AM
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Join Date: Oct 2005
Location: 08A
Posts: 9,500
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Quote:
Originally Posted by StressedOut
I think I’m going to buy new parts and rebuild the rudder. I’m not comfortable with such a defect. The cost is about $320 plus shipping. This is a hard lesson to learn. It’s not the cost that bothers me as much as the 40 or so hours I have to spend rebuilding the rudder.
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It's not a disaster. It is education and recreation. Shrug it off. And bravo to you for not accepting defects. The best time to adopt that habit is right where you are now, building the tail.
News flash... .the best builders throw away a lot of parts.
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Dan Horton
RV-8 SS
Barrett IO-390
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04-22-2018, 06:00 AM
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Join Date: Dec 2012
Location: Greenback, TN
Posts: 534
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Bad part
Your experience is normal! I spent about a month making custom wheel pants, they were beautiful, but I missed centering the hole for the tire and it just looked bad, bad, bad.
I kept them under my work bench for a year as a reminder that sometimes you just start over and end up with a better plane.
I find Makers Mark is an appropriate builders tool. 😊
__________________
Marvin McGraw, 5TN4
RV-14. #140039 Complete
Flight hours: 500+
2020 Dues Paid
The Dues Paid note is a reminder for me
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04-22-2018, 07:13 AM
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Join Date: Mar 2017
Location: Birmingham, Alabama
Posts: 1,643
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Many of us experienced the rudder twice! I feel your pain ... I was down to the last few rivets and made an aweful cosmetic mistake ... the second one will go a lot faster and will be better quality ... the first one was just practice 
__________________
RV-14A #140376
N196 (Flying)
2019 Bronze Lindy
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04-22-2018, 07:18 AM
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Join Date: Sep 2007
Location: Central IL
Posts: 5,516
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Quote:
Originally Posted by bkervaski
Many of us experienced the rudder twice! I feel your pain ... I was down to the last few rivets and made an aweful cosmetic mistake ... the second one will go a lot faster and will be better quality ... the first one was just practice 
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Yep - Like Dan sez - - educational.
Besides, it would have cost you 3 kts too. 
__________________
Bill
RV-7
Lord Kelvin:
“I often say that when you can measure what you are speaking about,
and express it in numbers, you know something about it; but when you
cannot measure it, when you cannot express it in numbers, your knowledge
is of a meager and unsatisfactory kind.”
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04-22-2018, 07:46 AM
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Join Date: Apr 2015
Location: Ponte Vedra, FL
Posts: 1,474
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I built 3 elevators - 2 left and one right. Did re-use the trim tab!
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04-22-2018, 07:47 AM
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Join Date: Mar 2017
Location: Birmingham, Alabama
Posts: 1,643
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I built 5 trim tabs. Vans thought I was a crazy person, my girlfriend and co-builder (now fiance, somehow) thought the same.
The re-do's seemed to calm down towards the end of the empennage.
__________________
RV-14A #140376
N196 (Flying)
2019 Bronze Lindy
Last edited by bkervaski : 04-22-2018 at 07:49 AM.
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04-22-2018, 07:57 AM
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Join Date: Jan 2005
Location: Peshtigo, Wisconsin
Posts: 768
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You now have some wall art for your man cave.
Press on.
__________________
Jeff Orear
RV6A N782P
Peshtigo, WI
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04-22-2018, 07:58 AM
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Join Date: Jul 2011
Location: Cypress, TX
Posts: 414
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Quote:
Originally Posted by YellowJacket RV9
I rebuilt what in hindsight would have been a totally airworthy horizontal stabilizer, due to some newbie cosmetic mistakes. I know it stings, but in the long run the extra time and effort will be a rounding error compared to your total build
Chris
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+1. And I thought I was the only one. I built my second one almost two years later because the mistake was visible and bugged me the entire time. Adding insult to injury, the replacement spar was misdrilled so I needed a third at $125 shipping alone! Now it?s perfect and I get satisfaction every time I look at it. Just part of the building process.
__________________
RV14A #140083
Flying! 8/12/19
2019 Donation
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