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06-06-2012, 09:01 AM
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Join Date: Sep 2007
Location: WA
Posts: 988
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7 attachment is different...
Quote:
Originally Posted by BillC
Thanks for the info Rob,
Since it's an easy place to look I'll be inspecting this weekend. As a reminder, The same vertical stab is also used on the 7's so it would probable be a good idea to post something over there or in the general section just in case they don't see it here.
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The attachment of the vertical stabilizer on the 7 is different (different horizontal stabilizer and spar)
__________________
Stephen
RV7 powered by a lycoming thunderbolt IO-390
turning a whirlwind HRT prop
with more hours flying than building... 2,430 on the hobbs!
ORCA Flight
Race 771
margarita!
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06-06-2012, 09:11 AM
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Join Date: Dec 2010
Location: WASh, DC
Posts: 26
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Thanks Stephen I will remove that post, or state disregard, because I was mistaken.
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06-06-2012, 09:13 AM
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Senior Curmudgeon
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Join Date: Sep 2005
Location: Dayton Airpark, NV A34
Posts: 15,420
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Quote:
Originally Posted by Rob's RV9A
Thanks Stephen I will remove that post, or state disregard, because I was mistaken.
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I deleted it for you.
__________________
Mike Starkey
VAF 909
Rv-10, N210LM.
Flying as of 12/4/2010
Phase 1 done, 2/4/2011 
Sold after 240+ wonderful hours of flight.
"Flying the airplane is more important than radioing your plight to a person on the ground incapable of understanding or doing anything about it."
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06-06-2012, 09:17 AM
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Join Date: Dec 2010
Location: WASh, DC
Posts: 26
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VS Attach Plate Crack
Thanks Mike that was fast, I went back and said where did it go? 
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06-06-2012, 09:41 AM
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Join Date: Jan 2005
Location: 57AZ - NW Tucson area
Posts: 10,011
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Since it's a simple part and the elongated holes are for intial assembly only.
I would make my own replacement part from the same thickness material and just have plain round holes for the bolts.
Is there a possiblity that the bolts were not fully torqued?
__________________
Gil Alexander
EAA Technical Counselor, Airframe Mechanic
Half completed RV-10 QB purchased
RV-6A N61GX - finally flying
Grumman Tiger N12GA - flying
La Cholla Airpark (57AZ) Tucson AZ
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06-06-2012, 10:04 AM
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Join Date: Apr 2011
Location: Cincinnati, OH
Posts: 2,791
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slots?
Slots are not preferred at loads points for this very reason. A better design would be line drilled. OK, now the decision for me, make a replacement part or just add a washer? Vans may consider a Service Bulletin for this finding. Did someone copy Vans?
__________________
Steve Melton
Cincinnati, OH
RV-9A, Tip-up, Superior O-320, roller lifters, 160HP, WW 200RV, dual impulse slick mags, oil pressure = 65 psi, EGT = 1300F, flight hours = 800+ for all
Simplicity is the art in design.
My Artwork is freely given and published and cannot be patented.
www.rvplasticparts.com
Last edited by Steve Melton : 06-06-2012 at 06:03 PM.
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06-06-2012, 10:30 AM
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Join Date: Oct 2007
Location: Sacramento, CA
Posts: 3,351
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Good find and inspection.
Quote:
Originally Posted by BillC
Thanks for the info Rob,
Since it's an easy place to look I'll be inspecting this weekend. As a reminder, The same vertical stab is also used on the 7's so it would probable be a good idea to post something over there or in the general section just in case they don't see it here.
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That may have been in the older kit (RV7) mine which was built in 2009, the attach point was not pre-drailled and was to be drilled by builder.
__________________
Mehrdad
N825SM RV7A - IO360M1B - SOLD
N825MS RV14A - IO390 - Flying
Dues paid
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06-06-2012, 10:44 AM
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Join Date: Dec 2010
Location: WASh, DC
Posts: 26
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Vertical Stab Attach Plate Crack
yes, I called them yesterday, and sent an email this morning.
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06-06-2012, 02:00 PM
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Join Date: Aug 2010
Location: Wichita, KS
Posts: 1,958
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Please let us know what they say. My 9 is just about to have its tail feathers mounted.
__________________
Kurt W.
RV9A
FLYING!!!
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06-06-2012, 05:11 PM
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Join Date: Oct 2005
Location: 08A
Posts: 9,500
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If you make a new part it would be easy to incorporate a rather obvious load path improvement...straighten the left edge:
Is the left edge in the photo rounded and smoothed, or square-edged with an "as delivered" finish?
The most likely cause of overload is ground handling. Folks tend to use the leading edge of the VS as a handle.
__________________
Dan Horton
RV-8 SS
Barrett IO-390
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