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Old 07-03-2017, 09:04 AM is offline
Join Date: Jul 2014
Location: Georgetown, TX
Posts: 20
Default Excessive Tire wear

I've read a little in the archives and seemed to find "some" info on other models but nothing on the 10. Maybe it's the same?

So doing my condition inspection the outside of my right tire was extremely worn. The left wasn't anywhere near as bad. The left I simply twisted it around so the other side will wear, but I had to replace the right tire.

Is there any way to adjust the toe at this point? I did not build this plane, but have spend quite a bit of time fixing things.

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Old 07-03-2017, 09:13 AM
Kyle Boatright Kyle Boatright is offline
Join Date: Aug 2005
Location: Atlanta, GA
Posts: 3,414

It may not be a toe-in issue. Have you measured it? You may be using right brake to keep the airplane straight during the takeoff roll.
Kyle Boatright
Atlanta, GA
2001 RV-6 N46KB
2019(?) RV-10
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Old 07-03-2017, 09:49 AM
Carl Froehlich's Avatar
Carl Froehlich Carl Froehlich is offline
Join Date: Dec 2007
Location: Dogwood Airpark (VA42)
Posts: 1,783
Default Rolled brake O ring?

You may be dragging a brake and not know it. My right brake piston O ring rolled just enough to still work, but not to fully retract. Now i can see that on take off and landings the tire tended to just skid along unless it had full weight or the brake was applied. The tire lost all the outboard tread and the brake pad was almost gone as well. This happened inside the first 100 hours.

New O ring, new pads and new tires and all is well.

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Old 07-03-2017, 10:27 AM
Lenny Iszak's Avatar
Lenny Iszak Lenny Iszak is offline
Join Date: Sep 2008
Location: Palm City, FL
Posts: 261

My right tire is also worn on the outside much more than the left one. Brake pads on the right are a bit more worn too. Down for condition inspection, so I'll be looking into it shortly. Doesn't appear that the brakes are dragging on that side, maybe I just have a heavier right foot.
Lenny Iszak
Palm City, FL
2014 RV-10, N311LZ - 450 hrs
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Old 07-03-2017, 01:34 PM
TimO TimO is offline
Join Date: Feb 2005
Location: Wisconsin
Posts: 439

The outsides of the tires will usually be the heavy wear point. When they get thru all of the grooves and leave you with slick tires, the insides will still look nearly new. So you just try to judge the wear and flip them before they get worn too far. It's the same on my RV-14 as it is on my RV-10, and I think it's due to the way the gear hangs and sags when you take the weight off the plane in flight. As you touch down the gear will have the tires tilted outwards as they hit, until they squat enough once you are planted. I'm sure most of the wear takes place at the instant of touchdown, not once you are rolling out with the full weight on the gear. It's just a fact of life on the RV's that you'll wear the outsides first. If one side wears faster than the other, it could be alignment, could be the way you were braking, could be dragging brakes, could be the above mentioned sticky pistons. It's up to you to verify if they are dragging or not, which is easy if you jack the wheel off the ground and spin it. You can probably also hear it as you push the plane into the hangar.

BTW, I have been liking how the Desser High Performance Retreads wear. They seem to be a beefy tire. Not as beefy as monster retreads would be, but any added thickness just gives more landings.
Tim Olson - CFI
RV-10 N104CD - Flying 2/2006 - 1375+ hours
RV-14 N14YT - Flying 6/2016 - 300+ hours
RV-10/14 Transition Training:
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Old 07-04-2017, 08:35 AM
Bill Boyd's Avatar
Bill Boyd Bill Boyd is offline
Join Date: Sep 2006
Location: Landing field "12VA"
Posts: 1,184
Default Tim

Would you suggest building with the Desser Monster Retreads in mind as "original equipment?"

I'm assuming there is enough difference in tire diameter that the wheel pants should be fitted to the larger tire from the outset, if they are intended for use at any point in the plane's career.

There's no better time than the present for me to make allowances for this, if so.

Bill Boyd

Hop-Along Aerodrome (12VA)
RV-6A - N30YD - flying since '98
RV-10 - N130YD reserved - under construction

donating monthly to the VAF - thanks, Doug
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