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05-23-2017, 08:46 PM
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Join Date: Mar 2013
Location: El Dorado Hills, CA
Posts: 696
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Safe margin of tread wear
Been spending most of my time shooting landings. Have tire wear to show for it.
Not sure how far to run these out before they become subseptible to puncture. Flying off good pavement but there is always the chance of sharp rocks, etc.
Do I wait until cord is showing?  Haven't done that since high school.

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Blain
R-22 sold.
RV-8 AW Cert 02-09-17
N82 Sierra Tango
Avatar courtesy of AircraftStickers.com!
Dues gladly paid thru Nov. 2020(my reminder ).
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05-23-2017, 08:52 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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Dismount and flip over, remount and you are good for lots more landing pracitce.
__________________
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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05-23-2017, 08:53 PM
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Join Date: Dec 2011
Location: Livermore, CA
Posts: 6,797
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Well, I would have flipped them a few hours back, to even out the wear. Now,
I'm not sure. Can't tell how thin the area is with no tread.
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05-23-2017, 09:11 PM
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Join Date: Mar 2013
Location: El Dorado Hills, CA
Posts: 696
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Quote:
Originally Posted by Mike S
Dismount and flip over, remount and you are good for lots more landing pracitce.
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Ah, but how much more?
Quote:
Originally Posted by BobTurner
Well, I would have flipped them a few hours back, to even out the wear. Now,
I'm not sure. Can't tell how thin the area is with no tread.
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That's my concern. No wear indicators.
__________________
Blain
R-22 sold.
RV-8 AW Cert 02-09-17
N82 Sierra Tango
Avatar courtesy of AircraftStickers.com!
Dues gladly paid thru Nov. 2020(my reminder ).
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05-23-2017, 09:16 PM
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Join Date: Sep 2011
Location: WV22
Posts: 849
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If both tires are wearing the same, which from what I can see is on the inside, I'd pull them both and remount to where the less tread side is on the outside. Still plenty of life left in that direction. Otherwise, I'd be ready to order new rubber.
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RV-4 0320\D3G 160, Whirlwind 200GA 70".
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05-23-2017, 11:48 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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Quote:
Originally Posted by Blain
Ah, but how much more?
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Check with Vlad......he would consider these brand new 
__________________
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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05-24-2017, 04:09 AM
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Join Date: Jun 2007
Location: palm coast fl.
Posts: 945
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Tires
Good Year says when the tread grooves are no longer visible . The first set I took off had minimal tread left . I cut the tire on the band saw so I could see and measure how much rubber was left . My observation was Good Years recommendation is a good rule of thumb .
A set of tires cost about the same as a tank of fuel , puts it in perspective . Don't run out of either .
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Rv8
N 666 TA
First Flight 2-3-2015 🚀
2017 donation paid
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05-24-2017, 05:45 AM
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Join Date: May 2005
Location: X35 - Ocala, FL
Posts: 3,679
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Most RV tires wear on the outboard side. I wait until the grooves are just about gone, then flip them and basically have a new set of tread to wear on. When that side is just about through the tread, I change them. The retreads have more rubber after the grooves are gone, so I wait until hey are completely gone on the retreads.
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Jesse Saint
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05-24-2017, 06:27 AM
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Join Date: Aug 2005
Location: Dallas/Ft Worth, TX
Posts: 5,686
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Honestly, stuff like this amazes me that it would even be posted, that you would even consider risking so much for so little is beyond me.
JUST REPLACE THE FREAKIN TIRES!
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Walt Aronow, DFW, TX (52F)
EXP Aircraft Services LLC
Specializing in RV Condition Inspections, Maintenance, Avionics Upgrades
Dynamic Prop Balancing, Pitot-Static Altmeter/Transponder Certification
FAA Certified Repair Station, AP/IA/FCC GROL, EAA Technical Counselor
Authorized Garmin G3X Dealer/Installer
RV7A built 2004, 1700+ hrs, New Titan IO-370, Bendix Mags
Website: ExpAircraft.com, Email: walt@expaircraft.com, Cell: 972-746-5154
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05-24-2017, 06:35 AM
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Join Date: Mar 2005
Location: Dallas area
Posts: 10,768
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I have to mostly agree with Walt on this. Remember that "6-ply rating" does NOT mean the tire has 6 plys. I recommend replacing the tires when the tread is gone.
Rotate the tires when the tread gets low (still visible) on one side. When the tread is low on the second side, replace them.
You REALLY don't want to deal with a blow-out on landing.
__________________
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>
Last edited by Mel : 05-24-2017 at 10:17 AM.
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