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02-27-2013, 07:59 PM
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Join Date: Oct 2006
Location: arvada, co
Posts: 445
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Thanks Joe
Are there any arm calculations to make?
I get it now. The black wire tubing blocked the view of the box end. 
__________________
Patrick Claar
Arvada, CO BJC
RV12, #401, Flying 2013, N612PC
RV6, 1996-2010 sold
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02-27-2013, 08:07 PM
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Join Date: Apr 2008
Location: Riley TWP MI
Posts: 3,070
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Quote:
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Are there any arm calculations to make?
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Not if the torque wrench is perpendicular to the stubby wrench such that the distance from point of applied force on the handle to the center line of the bolt is the same as if no adapters were used. Perhaps someone else can explain it better.
Joe Gores
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02-27-2013, 10:24 PM
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Join Date: Apr 2010
Location: Grosse Pointe Woods, MI
Posts: 13
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A great explanation of torque wrench computations can be found at http://www.algeo.com/~joe/KIAT/kiat_3.htm.
Scroll down to Figure 10c, Proper use of Torque Wrench with Extension. It illustrates Joe's example with a 90 degree extension on the Torque Wrench.
__________________
John Kean
RV-12 - Built and Flying
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03-01-2013, 03:17 PM
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Join Date: Jun 2007
Location: Perth, Scotland
Posts: 494
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No brazing needed
I got a 1/2 inch socket (0.25 square drive) and gound down both ends. I also ground down the square end of an extension. I can now fit the socket on the nut, and insert the extension without the need to braze the two pieces together.
So thanks for the original idea...
Cheers...Keith
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03-01-2013, 03:52 PM
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Join Date: Oct 2010
Location: La Feria Texas
Posts: 3,822
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I am having trouble visualizing your solution. Any chance of a photo?
Quote:
Originally Posted by gblwy
I got a 1/2 inch socket (0.25 square drive) and gound down both ends. I also ground down the square end of an extension. I can now fit the socket on the nut, and insert the extension without the need to braze the two pieces together.
So thanks for the original idea...
Cheers...Keith
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03-02-2013, 08:59 AM
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Join Date: Dec 2012
Location: Pentwater, MI
Posts: 17
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O.K., I haven't built a -12 (yet), but it seems to me that the obvious solution to this (based on the photographs) would be to enlarge the cut-out that gives access to the bolt. Is there any reason this cannot be done?
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03-02-2013, 10:19 AM
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Join Date: Oct 2010
Location: Phoenix, AZ
Posts: 2,820
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It's the landing gear attachment point. I would not want to weaken this area by removing material.
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03-02-2013, 11:07 AM
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Join Date: May 2010
Location: Spring Hill Fl
Posts: 734
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Do not enlarge
I agree
This is what started this problem in the first place
Quote:
Originally Posted by RFSchaller
It's the landing gear attachment point. I would not want to weaken this area by removing material.
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03-02-2013, 03:54 PM
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Join Date: Feb 2010
Location: Perth, Western Australia
Posts: 1,647
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As Joe and Rich said. That is not a good area to start removing material.
__________________
rgmwa
RV-12LR 912ULS
120346
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03-22-2013, 05:40 AM
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Join Date: Jan 2005
Location: Kentucky Lakes area in KY
Posts: 947
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I've Got A Gap
The mod went well up to re-installing the gear legs. Not sure why, but I'm having trouble getting the U1202 outside bottom gear leg bracket to seat. I see no obstructions, but after snugging it up, I still have a gap at the top of the bolt legs. The gear leg seems to be seated against the wear plate though, but I can still get a fingernail in the gap at the bolt legs.
Anyone else, and/or ideas?
I've just tried the Rt side. Maybe I'll give the Lft side a try today.
Oh, and according to the instructions, we are to install 916-5L washers under the heads of the dash 5 bolts, to aid in torquing from the bold end, only there is none in the kit, nor on the parts packing list. I had some, but what did everyone else do here?
Tom
__________________
2013- RV12, Kit #119. N123M First flight Nov21. It's a keeper!
1998- RV-9 tail kit, built and sold
1989- RV-6 tail kit, built and sold
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