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02-04-2014, 02:22 PM
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Join Date: Mar 2007
Location: Gold Coast - Australia
Posts: 137
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Thanks for ur services Scott
Quote:
Originally Posted by Mike S
You have just made a lot of folks who had been holding their breath, breathe again
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Hear hear!
Otherwise no data from me as I am still in build stage (about 90% complete) but will be doing the SB
__________________
Peter Vernon
Eagle Heights, Queensland, Australia
RV8, QB Wings, Standard Build Fuse (85% @ April 12)
email: pve95448@bigpond.net.au
Paid dues ... pleased to support DR
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02-04-2014, 02:31 PM
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Join Date: Sep 2007
Location: Central IL
Posts: 5,516
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Quote:
Originally Posted by boomer
I just noticed that you can't tell which data fields are blank in my previous post. Here is a second try with "?" in the blank fields.
Msg # Type A? Kit Date Date Completed Total Time Acro? Grass Strip Cracks? Notches?
37 7 A ? ? 1400 Y ? Y N
50 6 ? 2000 1200 ? ? Y ?
58 7 A ? ? 955 Y ? Y Y
74 6 ? ? 1200 Y ? Y Y
98 7 ? ? 850 Y Y Y Y
125 6 ? ? 560 N N Y Y
144 8 ? 2000 1345 Y ? Y ?
162 8 ? ? 1900 Y Y Y N
164 7 A ? ? 635 Y ? Y ?
229 6 A ? ? 1900 Y Y Y ?
257 7 ? ? 1350 Y Y Y Y
297 7 ? ? 600 Y Y Y ?
-John
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I have been maintaining a spreadsheet as well, we can collaborate later. Print the sheet as a PDF and then post via picasa. Kind of a pain. My intention is a stastitical analysis of failures only. Bascially a weibull plot. The 8 seems to be off set to higher hours, but that is not significant as there are failures.
__________________
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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02-04-2014, 02:35 PM
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Join Date: Jan 2005
Posts: 112
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RV6A SN24431 First flew 1999.
O360 C/S 1060 Hours
No Aeros, Mainly flying off paved runways.
No Cracks. (praise the Lord)
Barry
RV6A F-PRVM
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02-04-2014, 02:50 PM
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VAF Moderator
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Join Date: Jan 2005
Location: Pine Junction, CO
Posts: 655
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No Cracks
RV-6A SN22993
First Flight 2.8.2000
O-360-A1A
Hartzell C/S
1700 hours
Limited Aero, Paved Runways, Some Grass, Some Gravel
No Notches
No Cracks
__________________
Gary "Seismo" Zilik
Pine Junction, Colorado
RV-6A N99PZ S/N 22993 SOLD
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02-04-2014, 03:01 PM
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Join Date: Sep 2009
Location: Carefree, AZ
Posts: 50
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Crack
RV-7A. 340hrs 0-360 C/S mild acro no grass notches and a crack! 
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02-04-2014, 03:02 PM
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Join Date: Nov 2008
Location: Groveland, Ca.
Posts: 3
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SB 14-01-31
Just checked my -7 and did not find any cracks. I even brought in another A&P, IA to really confirm my findings, all clear. My parts were notched. Aircraft info: S/N 71520, 220 hours T.T., O-360 engine and C.S. prop. Acro, loops and rolls only.
mlgpilot
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02-04-2014, 03:22 PM
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Join Date: Mar 2005
Location: Houston, TX
Posts: 438
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SB 14-01-31
RV-7A
2004 vintage tail kit
Flying since August 2012
132 hours
185 hp IO-360-B1AD2
Hartzell cs prop
99% pavement
No cracks... yet

__________________
Daryl Tolliver
VAF 1086
Yes: I paid my =VAF= membership dues for 2020
RV-7A - N754RV: Status - Pink Slip is In! First Flight 8/23/12 - My First Flight 9/24/12!
Home from GloCustom for Paint! 3/16/13
957 hours and climbing
7th Condition Inspection complete 10/31/2019
Superior XP IO360 (180 HP), Hartzell Blended Airfoil, AF-5400 EFIS panel, Garmin Aera 660, TruTrak Vizion 385 AutoPilot, Dual Pmags
Houston, TX
Track: SPOT
Weiser Airpark (EYQ)
http://www.rv7a-factory.com
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02-04-2014, 03:28 PM
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Join Date: Aug 2007
Location: Wichita Falls, TX
Posts: 2,182
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Quote:
Originally Posted by pmshep
RV-7A. 340hrs 0-360 C/S mild acro no grass notches and a crack! 
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Metal CS prop (e.g. Hartzell BA) or composite CS prop (e.g. Whirlwind, Hoffman, MT, etc)?
__________________
Neal Howard
Airplaneless once again...
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02-04-2014, 03:31 PM
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Join Date: May 2006
Location: Newcastle NSW Australia
Posts: 89
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NO CRACKS YET
For the record:
RV-7, tip-up, #72450, Tail kit purchased Aug 2005, completed Dec 2005.
Aerosport IO-360M1, ECI comp, E/Pmag combo, 8.5:1.
Hartzell BA, balanced.
Basic weight 1085lb complete & painted, CofG 78.24 inches empty.
Plans built including notches, no mods except for Screaming Eagle tail wheel.
Total flight time 112 hours, including 2 hours of mild aeros (<0 to <+4G), 6 hours formation display (<0 to <+4G), and initial check to -3 and +6G, no inverted fuel or oil, first flight Aug 2011.
50/50 sealed/grass.
99 flights, 260 landings.
No cracks detected yet on either the forward or aft HS spars.
I intend to inspect regularly, wait for the factory options to evolve, monitor developments.
Thanks for the reasoned contributions, particularly from Scott. Thanks too to the people developing the record.
Regards
__________________
Bob Redman
Newcastle NSW Australia
RV-7
Financial until 2029
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02-04-2014, 03:46 PM
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Join Date: Jan 2013
Location: Durango, CO
Posts: 27
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[/quote]Nothing for nothing - I'm sure we have some Bo owners/previous owners - I believe Bonanzas had a similar recurring inspection on the tail?[/quote]
As a former Bo owner, I can weigh in on this a bit. Beechcrafts were hit with several AD's, one being inspection of the spar carrythrough structure for the wing. Some high time, hard use airplanes were developing cracks in that area. The fix was horrendously expensive, the number of affected airplanes was very small. It pretty much became a non issue, with inspection required at the annual. Always sweated it a bit, but never had a problem. It never did seem to effect the resale values.
The V-tail had it's own issues, the fix for the leading edge of the ruddervators was simple and effective. But they did definitely take a hit on resale that they haven't recovered from to this day. Straight tail Bo's just command a premium.
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