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10-29-2014, 01:30 PM
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Join Date: Oct 2014
Location: Gautier, MS
Posts: 55
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RV-4 Spar Information Needed
Looking at buying a RV4 Have not been able to get any good information on spars. Are the spars all aluminum, or were some early on laminated wood? Looking for experiences with te woods spars versus aluminum?
Thanks
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10-29-2014, 01:32 PM
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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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Welcome to VAF!
Larry, welcome aboard the good ship VAF 
__________________
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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10-29-2014, 02:04 PM
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Join Date: Jan 2005
Location: Peoria, AZ
Posts: 1,053
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I have never heard of a wood spar for a RV-4. I doubt there ever was.
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Regards,
Thomas Velvick
Goodyear, AZ (KGYR)
2020 Donation sent.
N53KT RV-6a finished 2018, Flying
N7053L RV-4 Wife's RV
N56KT RV-4 Finishing
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10-29-2014, 04:15 PM
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Join Date: Oct 2005
Location: Vancouver, WA USA
Posts: 908
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All metal airplane
there is no wood structure in any RV's and there never has been.
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10-29-2014, 05:03 PM
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Join Date: Oct 2014
Location: Gautier, MS
Posts: 55
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Thanks for the info. I didn't think there was but I am looking at a RV4 and the current owner said it has a wood spar. Going to look into it further. Let you know what he says. Thanks
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10-29-2014, 05:05 PM
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Join Date: Jan 2005
Location: Round Rock, TX
Posts: 3,778
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Quote:
Originally Posted by Larryskydives
Thanks for the info. I didn't think there was but I am looking at a RV4 and the current owner said it has a wood spar. Going to look into it further. Let you know what he says. Thanks
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Run as fast as you can AWAY!!! 
__________________
Reiley
Retired N622DR - Serial #V7A1467
VAF# 671
Repeat Offender / Race 007
Friend of the RV-1
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10-29-2014, 05:05 PM
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Join Date: Aug 2007
Location: Wichita Falls, TX
Posts: 2,182
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Quote:
Originally Posted by Russ McCutcheon
there is no wood structure in any RV's and there never has been.
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I've seen a wooden instrument panel insert in one 
__________________
Neal Howard
Airplaneless once again...
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10-29-2014, 05:09 PM
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Join Date: Aug 2007
Location: Wichita Falls, TX
Posts: 2,182
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Quote:
Originally Posted by Larryskydives
...I am looking at a RV4 and the current owner said it has a wood spar.
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If somebody did build one with wood spars inside the wings, then it is no longer an RV-4 but something quite different, and with very unknown +/- G strength.
__________________
Neal Howard
Airplaneless once again...
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10-29-2014, 05:15 PM
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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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Only wood spar connection I know of---------and I am stretching it a lot----------is the RV 1. It had wood wing, but that was before it became the RV 1.
Pretty sure it it is an RV 4, the wing is all metal.
__________________
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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10-29-2014, 05:29 PM
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Join Date: Oct 2008
Location: Punta Gorda, Fl
Posts: 325
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The most likely explanation is that the seller "thinks" its wood...
And it is probably just like every other rv-4 spar, Not wood.
If someone (a laymen) looked at it from the top where it meets (or would meet) in the cabin it might look like wood due to it looking similar to several thin(er) pieces of wood that have been laminated into a single "spar".
Again though, it very likely just like every other Rv-4 spar.
scratch it and see.
__________________
Jesse
'89 RV-4, N2626C - purchased flying
Converted to Fastback - Sliding Canopy - Tall Gear
Dynon Skyview w/ acc. & VP-x Sport
Catto 3-Blade (gen. 1)
Based: KPGD
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