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  #1  
Old 10-29-2014, 01:30 PM
Larryskydives Larryskydives is offline
 
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Default 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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Old 10-29-2014, 01:32 PM
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Default Welcome to VAF!

Larry, welcome aboard the good ship VAF
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Old 10-29-2014, 02:04 PM
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rvator51 rvator51 is offline
 
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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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  #4  
Old 10-29-2014, 04:15 PM
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Russ McCutcheon Russ McCutcheon is offline
 
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Thumbs up All metal airplane

there is no wood structure in any RV's and there never has been.
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Old 10-29-2014, 05:03 PM
Larryskydives Larryskydives is offline
 
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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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Old 10-29-2014, 05:05 PM
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LifeofReiley LifeofReiley is offline
 
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Quote:
Originally Posted by Larryskydives View Post
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
Run as fast as you can AWAY!!!
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  #7  
Old 10-29-2014, 05:05 PM
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Neal@F14 Neal@F14 is offline
 
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Quote:
Originally Posted by Russ McCutcheon View Post
there is no wood structure in any RV's and there never has been.
I've seen a wooden instrument panel insert in one
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Old 10-29-2014, 05:09 PM
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Neal@F14 Neal@F14 is offline
 
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Quote:
Originally Posted by Larryskydives View Post
...I am looking at a RV4 and the current owner said it has a wood spar.
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.
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Old 10-29-2014, 05:15 PM
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Mike S Mike S is offline
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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.
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Old 10-29-2014, 05:29 PM
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southtarnation southtarnation is offline
 
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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.
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