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04-14-2007, 05:25 PM
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Join Date: Nov 2006
Location: Boise, ID
Posts: 1,095
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RV-7A flap pushrods
I have a QB kit from 2003. I'm getting ready to build the flap pushrods, but I can't find the tube in my parts to make them. I do have about 12 inches of hex tubing that's threaded for a 1/4" bolt on each end...is this the flap pushrod? The plans say that the hex is for the -9 and the round tubing is for the -7.
Maybe the piece of hex I have is for something else and I'm missing the tubing. Anyone have any suggestions? Thanks!
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Sonny W
Boise, Idaho
RV-7A Flying!
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04-14-2007, 05:48 PM
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Moderator/Tech Counselor
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Join Date: Jan 2005
Location: East Troy, WI
Posts: 1,983
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The Hex rod might be your aileron tie rod. If you have another hex bar that you have already identified as the aileron tie rod, then I guess you have the RV9 flap pushrods. The 7 flap pushrods are heavy wall AL tube that is cut to length and threaded for the ball rod ends. I find them to be fine, but a lot of builders have used the RV9 hex rods.
Roberta
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Roberta Hegy
Built/Flew an RV-7A
Air Troy Estates, East Troy, WI
Ford Expedition and TRICE "Q"
Built Glen L "ZIP" Classic Outboard Runabout and Super Spartan Hydroplane
Glen L Torpedo
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04-14-2007, 06:10 PM
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Join Date: Jan 2005
Location: St. Paul, MN.
Posts: 4,792
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I had a hard time finding mine, too. Turns out I had put it with all the fuel and brake line tubing. Here's an article I wrote that shows you what you're looking for. They came in short sections. Straight. |
04-14-2007, 06:17 PM
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Join Date: Oct 2005
Location: Highland Village, TX
Posts: 1,519
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The only hex rod in my QB ...
was for the Stick Assembly - it is about 17". The -7 plans specify making the flap pushrods from AL tubing and tapping it for threads yourself. After I made mine, I decided to toss them and buy the Hex rods that are used on the -9.
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Rick Aronow,
A&P
Flying 7A Slider;
RV-12 SOLD
Highland Village,TX
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04-14-2007, 06:57 PM
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Join Date: Feb 2005
Location: Bakersfield ,Calyfornia
Posts: 922
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I remember I had to buy more; lost it, couldn't find it either. round tube
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04-14-2007, 07:09 PM
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Join Date: Mar 2005
Location: Dallas area
Posts: 10,762
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The hex material wasn't available when we built. I wasn't comfortable with the aluminum tubing. Made mine out of 4130 tubing. Had plenty laying around.
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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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04-15-2007, 06:08 PM
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Join Date: Nov 2006
Location: Perham, MN
Posts: 350
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Flap Push-Rods
The flap push-rods are made from AT6-058X5/16 aluminum tubing (that came as an 18" long piece in my fuse kit) and are cut to length and threaded per DWG 33. I had to do the same search, but finally found it.
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Paul Winkels
RV7 Standard Build - First flight 4/16/2016 - Now Flying!
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04-15-2007, 10:35 PM
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Join Date: Nov 2006
Location: Boise, ID
Posts: 1,095
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Doh!
OK, mine was gone...or used up as spacers for control surfaces, etc. Either way, I didn't have any left. I got some from a friend who is going with the hex pushrods. I built them up and they seem very sturdy. I'm happy with it. Thanks to those that replied! 
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Sonny W
Boise, Idaho
RV-7A Flying!
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04-16-2007, 08:20 AM
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Join Date: Feb 2005
Location: Austin, TX
Posts: 225
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9 pushrod hex
so is the 9 stuff the
F-665 1/2 HEX X 17.125" $18.75
if not, what is the part number? (for those of us building 7's that
want to use the 9 stuff).
thanks,
john
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john prickett (VAF 449)
manchaca, tx (suburb of austin)
rv-7a finish kit
N337JP (reserved)
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04-16-2007, 09:25 AM
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Join Date: Oct 2005
Location: Highland Village, TX
Posts: 1,519
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That's not it ...
It is VA-256 for $12 ea and you need 2.
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Rick Aronow,
A&P
Flying 7A Slider;
RV-12 SOLD
Highland Village,TX
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