Vail Sport tires with pictures. Low miles must b standard?

[ron]

[div]I think I have about answered my question:  Is low mileage standard for the stock Vail Sport ST tires.  The answer seems to be yes.  So, feedback on other questions below would be appreciated.

So here are some pictures and questions related to my situation.  2014 Camplite 14DBS, 2600 empty weight, about 12,000 miles on the tires and one is totally gone, all other four are soon gone.  I rotated my spare out last season.  As this was my first RV, I have probably been running the brakes too tight, and have just adjusted this. Driving is very gentle, anticipating redlights, etc.  I do have a sharp turn to my parking place at home on the concrete drive-see picture.   Twin axles, and the rear tires seem to wear more.   Dang, this is low mileage to me being a first time RV owner, and somewhat expensive.  I did just see a recall on some of these tires. 

So, my questions:
1.  Even in their very worm state, the center looks to me much more worn than the outside. Conventional tire wisdom says this is from too high pressure.  I run the prescribed 50 psi cold pressure.  Can/should I decrease pressure to 45 psi if this center wear continues on my soon to be purchased new tires.
2. What mileage would one hope for with high quality tires, or more accurately, what would be the mileage range?  Looks to be less than 40,000-60,000+ I get on good Michelins I got on my Accord
3. Does this steep turn into my parking space at home greatly impact tire wear?  [Camplite has 60 to 70 trips of 3-6 nights, so this turn has been made 60 to 90 times for coming & going, testing, etc.]
4. Tire suggestions welcome, but I will this weekend try to read thru the forum and see what is there.


Pictures: first-sharp turn to parking spot. Second picture of rear tire tread, drivers side. Third picture, front tire, drivers side.


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[daplumbr]

1.  Get radials and run the full 50 psi. The cheap Vail bias tires do not have a flat tread profile so don't go by conventional wisdom on the wear pattern. I have my OEM Vail bias and a new Maxxis radial sitting in my garage ready to be switched on the rim and installed as the spare. The difference in the flatness of tire tread profile is amazing. 

2. Don't know. No discernible wear on my Maxxis tires at about 6000 miles. I ran the Vail only about 1000 miles before dumping them. 

3. I have a challenging S turn in my driveway that obviously stresses the tires. When I'm done backing I pull forward a bit to make sure the sidewalls and tread don't remain distorted. 

4. Maxxis ST8008 radials. 

Although you didn't ask this one, your issue of one tire wearing faster is most likely brake adjustment. That one is tighter than the others and does more of the braking. It's a challenge to get all 4 drum brakes adjusted the same. About as much art as science in that and the factory tech is likely in a hurry and "close" is not always close enough. 

[djsamuel]

I purchased the Carlisle Radial Trail RH tires and have been very happy with them.