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08-24-2019, 07:14 PM
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Join Date: Oct 2006
Location: Southeast
Posts: 569
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RV-7 and RV-8 common parts
My understanding of the development of RVs is that when the 7,8 & 9 were introduced, the 8 came first, followed by the 9 and then the 7, which was a combination of the 9 fuselage and the 8 wings and empennage. Of course, each plane has its unique parts, but if my developmental timeline is correct, what are the wing and empennage parts common to both the 7 and 8?
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08-24-2019, 08:38 PM
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Join Date: Mar 2005
Location: SE Florida
Posts: 1,499
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The original prepunched RV8/8A wing uses a different spar. Around 2001, Vans redesigned the main spar for use on the new RV7. They also started putting it on the new, matched hole kit RV8s. This was done to increase parts commonality. From that point on, the wings are virtually identical. Vans originally put RV8 rudders on the 7, but later switched to the bigger RV9 rudder.
Charlie
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08-24-2019, 08:48 PM
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Join Date: Mar 2009
Location: Plano, TX
Posts: 2,089
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Quote:
Originally Posted by alcladrv
My understanding of the development of RVs is that when the 7,8 & 9 were introduced, the 8 came first, followed by the 9 and then the 7, which was a combination of the 9 fuselage and the 8 wings and empennage. Of course, each plane has its unique parts, but if my developmental timeline is correct, what are the wing and empennage parts common to both the 7 and 8?
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The 7 came out before the 9. The 9 wings are unique, not common to the other models. Different airfoil. Later on, they started using the larger 9 tail on the 7.
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Colin P.
RV-6A #20603
Complete 5/10/19
PP SEL / A&P
I donate every year on my B-Day (in Dec), but donated early in Sep'19.
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08-24-2019, 08:58 PM
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Join Date: Nov 2015
Location: neustadt ontario
Posts: 118
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I do believe that the rv 9a flew almost 2 years before the 7. Not in numerical order
Jackz
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08-24-2019, 09:06 PM
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Join Date: Mar 2005
Location: SE Florida
Posts: 1,499
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Quote:
Originally Posted by WingsOnWheels
The 7 came out before the 9. The 9 wings are unique, not common to the other models. Different airfoil. Later on, they started using the larger 9 tail on the 7.
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The prototype 9A first flew at the end of 1997. Kit production started the next year. The 7 didn't arrive till 2001
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08-24-2019, 09:13 PM
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Join Date: Jan 2005
Location: SC
Posts: 12,887
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Quote:
Originally Posted by WingsOnWheels
The 7 came out before the 9. The 9 wings are unique, not common to the other models. Different airfoil. Later on, they started using the larger 9 tail on the 7.
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Is that correct?
Wikipieda lists the -9 as being flown first on June 15, 2000.
And the RV-7 replacing the RV-6 in 2001.
it is my understanding that the first -9A was a modified -6A.
However, I would imagine that the -7 was developed and then modified into the -9 but not made public until Van's drew down the -6/A inventory.
The sequence has never really been clear to me.
__________________
Bill R.
RV-9 (Yes, it's a dragon tail)
O-360 w/ dual P-mags
Build the plane you want, not the plane others want you to build!
SC86 - Easley, SC
www.repucci.com/bill/baf.html
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08-25-2019, 06:50 AM
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Join Date: Jan 2005
Location: Hicks Airfield, Fort Worth,Texas
Posts: 1,728
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H/S
The RV7 has a wider fuselage than the RV8. The Horizontal stab has a wider space for the RV7. Those H/S parts are different.
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Jay Pratt VAF #2
RV Central - Builder Assistance
Paul Revere, Borrowed Horse, & Shooter
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08-25-2019, 07:53 AM
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Join Date: Feb 2013
Location: Kincardine Ont,Can
Posts: 169
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Tips?
Can anyone comment on which wing tips are interchangeable?
Mainly looking at the seven and eight wingtips since I have the bat wingtips and I am looking to get the bigger landing /strobe light lens from a buddy who went with Zip tips . His are standard 2012 vintage
__________________
RV 6. GARV
1946 C85 J3
RV 7 A project
Grounds keeper @ CKS9, 2020 dues gladly pd
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08-25-2019, 08:03 AM
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Join Date: Mar 2005
Location: Dallas area
Posts: 10,768
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Quote:
Originally Posted by elev666
Can anyone comment on which wing tips are interchangeable?
Mainly looking at the seven and eight wingtips since I have the bat wingtips and I am looking to get the bigger landing /strobe light lens from a buddy who went with Zip tips . His are standard 2012 vintage
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RV-4, -6, -7, and -8 have interchangeable wingtips.
__________________
Mel Asberry, DAR since the last century.
EAA Flight Advisor/Tech Counselor, Friend of the RV-1
Recipient of Tony Bingelis Award and Wright Brothers Master Pilot Award
USAF Vet, High School E-LSA Project Mentor.
RV-6 Flying since 1993 (sold)
<rvmel(at)icloud.com>
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08-25-2019, 08:31 AM
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Join Date: Feb 2013
Location: Kincardine Ont,Can
Posts: 169
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Tips
Thanks for your insight Mel !
__________________
RV 6. GARV
1946 C85 J3
RV 7 A project
Grounds keeper @ CKS9, 2020 dues gladly pd
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