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Old 03-15-2019, 01:11 PM   #15
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We were popping rivets at 80 Lbs. Dropped to 65 Lbs and the rivet problem seems to have gone away.
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Old 03-15-2019, 01:43 PM   #16
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Still Experimenting

This topic has been on this Forum a couple of times already and it has been helpful. Seems like it comes down to using what the tire charts recommend based on weight vs. ride quality preference. Also, doesn’t seem like anybody is happy with the rough ride at 80 PSI.

We started with 80 PSI which is what Discount Tire recommended. It was clear that wouldn’t work for our 27FB Classic based on the mess inside of our trailer after only an hour’s drive down the road. We’ve been running at 75 PSI for the last year and that has been only marginally better. Based on the experiences of others on this Forum, it sounds like 70 PSI might be worth a try to improve ride quality and overall wear and tear on the trailer. Hopefully, doing so doesn’t compromise safety. I’m thinking that since we limit ourselves to a 60 mph maximum speed, there will be much less risk in experimenting with 70 PSI in an effort to duplicate the smooth ride we used to have with the Goodyear Marathons at 65 PSI.
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Old 03-15-2019, 02:10 PM   #17
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As mentioned, this topic has been covered in several previous posts on the Endurance. We also had 70PSI from Discount Tire; popped rivets and hinge issues on cabinets. Adjusted to 45-50lbs per our AS weight and Goodyear tire chart. Important to get your AS weighed. We took combined AS weight off scale ticket and divided by 4; then adjusted tire pressure per the Goodyear chart attached. For me, that is 45PSI. I run between 45-50 per the chart.
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Old 03-15-2019, 02:17 PM   #18
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One of many gye threads with great psi/tire load comments by tireman9 and capri racer.

http://www.airforums.com/forums/f438...-157249-9.html
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Old 03-15-2019, 02:34 PM   #19
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Sams Club has a $80.00 rebate on Goodyear Endurance tires till December 31. Sams sells the tire $1.00 less than Tire rack before rebate. For those of us that need tires.
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Old 03-15-2019, 02:36 PM   #20
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Does anyone ever rotate the tires on their Airstream?
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Old 03-15-2019, 05:38 PM   #21
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Quote:
Originally Posted by alphamale49 View Post
Does anyone ever rotate the tires on their Airstream?
Yes...every Spring.
It's a habit I acquired as a result of tire removal for Winter storage. It helps the tires and the underrated AS axles.👍

Bob
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Old 03-15-2019, 09:44 PM   #22
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We have GYE`s on our 28`. Ran 1st season at 80 psi because dealer swore it had to be. Brutal for trailer and us. Based on forum input and Goodyear chart, I picked a happy medium of 55psi cold. Pulled 625 miles in last two days, much better and may go a little lower yet.
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Old 03-16-2019, 03:33 AM   #23
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Quote:
Originally Posted by alphamale49 View Post
Does anyone ever rotate the tires on their Airstream?
Yes.
Rotate front-to-back only, to minimize the possibility of belt separation from reversing rotation.
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Old 03-16-2019, 08:34 AM   #24
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Tire pressure

I installed the Goodyear Endurance tires a few thousand miles ago. We have a 28’ Flying Cloud and the prior Marathons were run at 65 psi. I run the Endurance’s at the same 65 psi. I have tire monitors and the temps and pressure increases are the same as the Marathons. The tire wear is even on all 4.
I didn’t increase the tire pressures as I was concerned with the ride harshness.
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Old 03-16-2019, 10:12 AM   #25
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I seem to recall an expert admonition..."lowering IPS to improve ride is not always the best option"🤔

Bob
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Old 03-16-2019, 12:12 PM   #26
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Quote:
Originally Posted by delrossa View Post
I installed the Goodyear Endurance tires a few thousand miles ago. We have a 28’ Flying Cloud and the prior Marathons were run at 65 psi. I run the Endurance’s at the same 65 psi. I have tire monitors and the temps and pressure increases are the same as the Marathons. The tire wear is even on all 4.
I didn’t increase the tire pressures as I was concerned with the ride harshness.
Suggest you weigh your AS and adjust tires to recommended GY Endurance chart mentioned here...my 28' weight according to the GY Endurance chart says 45psi... I run between 45 and 50 and monitor with the TPMS. No more issues with cabinet door hinges or popped rivets...which I experienced when the tires were installed new last summer and dealer had them filled at 70PSI...the chart PSI for the given weight for these tires seems to be the best reference.; I would guess your 28 is no different after you get to the scales....45-50 PSI should be right.
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Old 03-17-2019, 02:09 AM   #27
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I extpected for Airstreams the tires also been yust enaugh for the GVWR .
But remarks about bumping here, made me think they have a comfortable reserve.

So I searched back pictures I made ,when camping in Austria in Petneu, from a tandem-axle Airstream, and calculated pressure with my made extra safe calculator.

GVWR 7300 lbs, and even overrated axles of 3800lbs GAWR
Tires ST225/75R15 prescribed 65 psi.
Maxload acording to given list here 2540lbs wich is loadindex 113.
Gave with GVWR and 10% on pin , 46 psi .
Lowered the loadindex by 6 to give max pressure without bumping and gave 55 psi.

So the Airstreams are exeption to the rule in TT world, and are given tires with a comfortable reserve. The 65 psi advice then must give bumping, if not overloaded.
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Old 03-17-2019, 07:17 AM   #28
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Quote:
Originally Posted by jadatis View Post
I extpected for Airstreams the tires also been yust enaugh for the GVWR .
But remarks about bumping here, made me think they have a comfortable reserve.

So I searched back pictures I made ,when camping in Austria in Petneu, from a tandem-axle Airstream, and calculated pressure with my made extra safe calculator.

GVWR 7300 lbs, and even overrated axles of 3800lbs GAWR
Tires ST225/75R15 prescribed 65 psi.
Maxload acording to given list here 2540lbs wich is loadindex 113.
Gave with GVWR and 10% on pin , 46 psi .
Lowered the loadindex by 6 to give max pressure without bumping and gave 55 psi.

So the Airstreams are exeption to the rule in TT world, and are given tires with a comfortable reserve. The 65 psi advice then must give bumping, if not overloaded.
I'm happy for you, AS has improved payload and axle ratings over the years...it has not always been so.👎

My food and adult beverages can consume half of my CCC, and I refuse to leave the Wife & Dog behind.

I will run my psi accordingly.

Bob
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