View Poll Results: AIRSTREAM *NON-ST* TIRE POLL – Applicable only to Airstreams with NON-ST tires
TYPE OF TIRE INSTALLED – Please select only one response in this category: 12 13.64%
Type of Tire Installed: ST (Special Trailer tire) – ATTENTION: DO NOT PROCEED – THIS POLL IS FOR *NON-ST* TIRES ONLY! 4 4.55%
Type of Tire Installed: P (Passenger car tire) 9 10.23%
Type of Tire Installed: XL (Extra Load passenger car tire) 10 11.36%
Type of Tire Installed: LT (Light Truck tire) 54 61.36%
Type of Tire Installed: Other or unknown 2 2.27%
TIRE MANUFACTURER – Please select only one response in this category: 2 2.27%
Tire Manufacturer: BF Goodrich – Commercial T/A 0 0%
Tire Manufacturer: BF Goodrich – Other tire models 0 0%
Tire Manufacturer: Bridgestone 1 1.14%
Tire Manufacturer: Carlisle 1 1.14%
Tire Manufacturer: Continental 1 1.14%
Tire Manufacturer: Cooper 1 1.14%
Tire Manufacturer: Dick Cepek 0 0%
Tire Manufacturer: Dunlop 1 1.14%
Tire Manufacturer: Firestone 2 2.27%
Tire Manufacturer: Fuzion 0 0%
Tire Manufacturer: General 1 1.14%
Tire Manufacturer: Goodyear 2 2.27%
Tire Manufacturer: Hankook 0 0%
Tire Manufacturer: Kumho 0 0%
Tire Manufacturer: Maxxis 1 1.14%
Tire Manufacturer: Michelin – LTX M/S (older model; NOT the Defender) only 6 6.82%
Tire Manufacturer: Michelin – LTX M/S2 only 53 60.23%
Tire Manufacturer: Michelin – LTX A/T2 only 0 0%
Tire Manufacturer: Michelin – Defender LTX M/S only 6 6.82%
Tire Manufacturer: Michelin – XPS Rib only 6 6.82%
Tire Manufacturer: Michelin – Other tire models 2 2.27%
Tire Manufacturer: Nexen 0 0%
Tire Manufacturer: Nokian 1 1.14%
Tire Manufacturer: Pirelli 0 0%
Tire Manufacturer: Sumitomo 0 0%
Tire Manufacturer: Toyo 0 0%
Tire Manufacturer: Uniroyal 0 0%
Tire Manufacturer: Yokohama 1 1.14%
Tire Manufacturer: Other 1 1.14%
MANUFACTURING COUNTRY – Please select only one response in this category: 1 1.14%
Manufacturing Country: Canada 12 13.64%
Manufacturing Country: China 2 2.27%
Manufacturing Country: Europe 9 10.23%
Manufacturing Country: Mexico 0 0%
Manufacturing Country: Other Far Eastern Countries (e.g., Japan, Taiwan, Korea, Malaysia, etc.) 0 0%
Manufacturing Country: USA 18 20.45%
Manufacturing Country: Other or unknown 20 22.73%
TIRE SIZE – Please select only one response in this category: 1 1.14%
Tire Size: 205 3 3.41%
Tire Size: 215 3 3.41%
Tire Size: 225 51 57.95%
Tire Size: 235 25 28.41%
Tire Size: Other 1 1.14%
TIRE ASPECT RATIO – Please select only one response in this category: 1 1.14%
Tire Aspect Ratio: 70 8 9.09%
Tire Aspect Ratio: 75 68 77.27%
Tire Aspect Ratio: 80 1 1.14%
Tire Aspect Ratio: Other 2 2.27%
WHEEL SIZE – Please select only one response in this category: 1 1.14%
Wheel Size: 14 inch 0 0%
Wheel Size: 15 inch 35 39.77%
Wheel Size: 16 inch 51 57.95%
Wheel Size: Other 0 0%
TIRE LOAD RANGE – Please select only one response in this category: 1 1.14%
Tire Load Range: Standard 4 4.55%
Tire Load Range: C or XL 18 20.45%
Tire Load Range: D 8 9.09%
Tire Load Range: E 42 47.73%
Tire Load Range: F 1 1.14%
Tire Load Range: G 0 0%
NORMAL TIRE PRESSURE (cold) – Please select only one response in this category: 2 2.27%
Normal Tire Pressure: 36-44 psi 8 9.09%
Normal Tire Pressure: 50 psi 21 23.86%
Normal Tire Pressure: 55-60 psi 8 9.09%
Normal Tire Pressure: 65 psi 11 12.50%
Normal Tire Pressure: 72 psi 14 15.91%
Normal Tire Pressure: 80 psi 23 26.14%
Normal Tire Pressure: 80+ psi 1 1.14%
TIRE AGE (in years) – Please select only one response in this category: 4 4.55%
Tire Age (in years): 0-1 year 24 27.27%
Tire Age (in years): 1-2 years 12 13.64%
Tire Age (in years): 2-3 years 19 21.59%
Tire Age (in years): 3-4 years 12 13.64%
Tire Age (in years): 4-5 years 10 11.36%
Tire Age (in years): 5-6 years 3 3.41%
Tire Age (in years): 6-7 years 1 1.14%
Tire Age (in years): 7+ years 3 3.41%
Tire Age (in years): Unknown 1 1.14%
TIRE AGE (in miles) – Please select only one response in this category: 4 4.55%
Tire Age (in miles): 0-1,000 miles 10 11.36%
Tire Age (in miles): 1,000-5,000 miles 13 14.77%
Tire Age (in miles): 5,000-10,000 miles 18 20.45%
Tire Age (in miles): 10,000-15,000 miles 12 13.64%
Tire Age (in miles): 15,000-25,000 miles 16 18.18%
Tire Age (in miles): 25,000-50,000 miles 9 10.23%
Tire Age (in miles): 50,000-75,000 miles 2 2.27%
Tire Age (in miles): 75,000-100,000 miles 0 0%
Tire Age (in miles): 100,000+ miles 0 0%
Tire Age (in miles): Unknown 2 2.27%
ARE TIRES BALANCED – Please select only one response in this category: 7 7.95%
Are Tires Balanced: Static (bubble) balance 8 9.09%
Are Tires Balanced: Spin balance (tire spun on balancing machine or Airstream) 69 78.41%
Are Tires Balanced: No or unknown 5 5.68%
ARE DYNAMIC BALANCING DEVICES USED – Please select all responses that apply in this category: 4 4.55%
Dynamic Balancing Devices Used: Centramatics (or similar) 27 30.68%
Dynamic Balancing Devices Used: DynaBeads (or similar) 1 1.14%
Dynamic Balancing Devices Used: Other less common devices or methods 1 1.14%
Dynamic Balancing Devices Used: None or unknown 25 28.41%
NUMBER OF AXLES ON YOUR AIRSTREAM – Please select only one response in this category: 3 3.41%
Number of Axles on Your Airstream: 1 5 5.68%
Number of Axles on Your Airstream: 2 71 80.68%
Number of Axles on Your Airstream: 3 5 5.68%
WEIGHT OF AIRSTREAM (fully loaded, including tongue weight) – Please select only one response in this category: 4 4.55%
Weight of Airstream: 1,000-2,000 pounds 0 0%
Weight of Airstream: 2,000-3,000 pounds 1 1.14%
Weight of Airstream: 3,000-4,000 pounds 2 2.27%
Weight of Airstream: 4,000-5,000 pounds 8 9.09%
Weight of Airstream: 5,000-6,000 pounds 15 17.05%
Weight of Airstream: 6,000-7,000 pounds 15 17.05%
Weight of Airstream: 7,000-8,000 pounds 14 15.91%
Weight of Airstream: 8,000-9,000 pounds 20 22.73%
Weight of Airstream: 9,000-10,000 pounds 8 9.09%
Weight of Airstream: 10,000-11,000 pounds 3 3.41%
Weight of Airstream: 11,000-12,000 pounds 0 0%
Weight of Airstream: 12,000+ pounds 0 0%
PARKING SURFACE – Please select only one parking surface for tires during extended storage (longer than 30 days): 3 3.41%
Parking Surface: Dirt, rock, gravel, sand (or similar) 22 25.00%
Parking Surface: Asphalt 10 11.36%
Parking Surface: Concrete 33 37.50%
Parking Surface: Wood, cardboard, paper, etc. 6 6.82%
Parking Surface: Synthetic material (rubber, plastic, floor tiles, carpeting, etc.) 4 4.55%
Parking Surface: Off floor (Airstream on jacks) 5 5.68%
Parking Surface: Tires removed and stored off Airstream 0 0%
Parking Surface: Other 6 6.82%
AIRSTREAM TOWING CONDITIONS – Please select all responses that apply in this category: 4 4.55%
My Airstream is towed on: Interstate and multilane highways 72 81.82%
My Airstream is towed on: State and other improved two-lane highways, with shoulders 68 77.27%
My Airstream is towed on: Mostly paved and well-maintained lesser-used "backroads" 51 57.95%
My Airstream is towed on: Poorly/minimally maintained "backroads" and off-road 17 19.32%
====================================== 0 0%
HAS A *NON-ST* TIRE FAILED ON YOUR AIRSTREAM – If YES is selected, please continue with this poll. However, if your answer is NO; please stop, and do not proceed further. The questions that follow pertain only to NON-ST tire failures. 4 4.55%
Has a NON-ST tire failed on your Airstream in the past 10 years? – Yes (Please continue.) 8 9.09%
Has a NON-ST tire failed on your Airstream in the past 10 years? – No (Please stop here.) 48 54.55%
====================================== 0 0%
TIRE PRESSURE AT FAILURE – Please select only one response in this category: 0 0%
Tire Pressure at Failure: Tire was inflated to “normal tire pressure” (previously entered) 8 9.09%
Tire Pressure at Failure: Tire was inflated to a lower pressure 0 0%
Tire Pressure at Failure: Tire was inflated to a higher pressure 0 0%
Tire Pressure at Failure: Tire pressure was unknown at time of failure 0 0%
AMBIENT/OUTDOOR TEMPERATURE when tire failure occurred or was noticed – Please select only one response in this category: 1 1.14%
Ambient/Outdoor Temperature at Failure: Subfreezing to freezing temperatures 0 0%
Ambient/Outdoor Temperature at Failure: Freezing to 70-degrees Fahrenheit 2 2.27%
Ambient/Outdoor Temperature at Failure: 70 to 90-degrees Fahrenheit 6 6.82%
Ambient/Outdoor Temperature at Failure: 90 to 110-degrees Fahrenheit 0 0%
Ambient/Outdoor Temperature at Failure: 110+ degrees Fahrenheit 0 0%
TIRE FAILURE DESCRIPTION – Please select all responses that apply in this category: 0 0%
Tire Failure Description: Valve stem leak/failure 1 1.14%
Tire Failure Description: Bubble in sidewall 0 0%
Tire Failure Description: Bubble in tread area 0 0%
Tire Failure Description: Belt/tread slipped, but still relatively intact 1 1.14%
Tire Failure Description: Tread separated, but still partially attached to tire body 0 0%
Tire Failure Description: Tread completely separated, but tire body still inflated 0 0%
Tire Failure Description: Blowout, sidewall 0 0%
Tire Failure Description: Blowout, with tread separation 2 2.27%
Tire Failure Description: Other, not described above 4 4.55%
TIRE FAILURE TIME – Please select only one response in this category: 2 2.27%
Tire Failure Time: Before driving 2 2.27%
Tire Failure Time: While driving 4 4.55%
Tire Failure Time: After driving 1 1.14%
POSITION OF TIRE THAT FAILED – Please select all responses that apply in this category: 1 1.14%
Position of Tire that Failed: Axle #1 (front or single axle), left side 6 6.82%
Position of Tire that Failed: Axle #1 (front or single axle), right side 1 1.14%
Position of Tire that Failed: Axle #2, left side 1 1.14%
Position of Tire that Failed: Axle #2, right side 2 2.27%
Position of Tire that Failed: Axle #3, left side 1 1.14%
Position of Tire that Failed: Axle #3, right side 1 1.14%
CAUSES & CONTRIBUTING FACTORS: 0 0%
Did a road hazard, hitch failure or vehicle accident cause or contribute to the tire failure: Yes 3 3.41%
Did a road hazard, hitch failure or vehicle accident cause or contribute to the tire failure: No 3 3.41%
Did the tire failure cause or contribute to a vehicle accident: Yes 0 0%
Did the tire failure cause or contribute to a vehicle accident: No 7 7.95%
NUMBER OF TIRES THAT FAILED IN ORIGINAL INCIDENT – Please select only one response in this category: 1 1.14%
Number of Tires that Failed in Original Incident: 1 7 7.95%
Number of Tires that Failed in Original Incident: 2 0 0%
Number of Tires that Failed in Original Incident: 3 0 0%
Number of Tires that Failed in Original Incident: 4 0 0%
Number of Tires that Failed in Original Incident: 5 0 0%
Number of Tires that Failed in Original Incident: 6 0 0%
NUMBER OF ADDITIONAL TIRES THAT FAILED WITHIN 30 DAYS OR 1,000 MILES OF ORIGINAL INCIDENT – Please select only one response in this category: 1 1.14%
Number of Additional Tires that Failed within 30 Days or 1,000 Miles: 1 0 0%
Number of Additional Tires that Failed within 30 Days or 1,000 Miles: 2 0 0%
Number of Additional Tires that Failed within 30 Days or 1,000 Miles: 3 0 0%
Number of Additional Tires that Failed within 30 Days or 1,000 Miles: 4 0 0%
Number of Additional Tires that Failed within 30 Days or 1,000 Miles: 5 1 1.14%
Number of Additional Tires that Failed within 30 Days or 1,000 Miles: 6 0 0%
NUMBER OF ADDITIONAL TIRES THAT FAILED WITHIN 12 MONTHS OR 12,000 MILES OF ORIGINAL INCIDENT – Please select only one response in this category: 1 1.14%
Number of Additional Tires that Failed within 12 Months or 12,000 Miles: 1 0 0%
Number of Additional Tires that Failed within 12 Months or 12,000 Miles: 2 0 0%
Number of Additional Tires that Failed within 12 Months or 12,000 Miles: 3 0 0%
Number of Additional Tires that Failed within 12 Months or 12,000 Miles: 4 0 0%
Number of Additional Tires that Failed within 12 Months or 12,000 Miles: 5 0 0%
Number of Additional Tires that Failed within 12 Months or 12,000 Miles: 6 0 0%
COST OF ROADSIDE ASSISTANCE, TOWING, ETC. (including expenses reimbursed by insurance; however, do not include cost of new tires, wheels, etc.) – Please select only one response in this category: 1 1.14%
Cost of Roadside Assistance, Towing, etc.: $0 3 3.41%
Cost of Roadside Assistance, Towing, etc.: $1-100 0 0%
Cost of Roadside Assistance, Towing, etc.: $100-250 0 0%
Cost of Roadside Assistance, Towing, etc.: $250-500 0 0%
Cost of Roadside Assistance, Towing, etc.: $500-1,000 0 0%
Cost of Roadside Assistance, Towing, etc.: $1,000-2,500 0 0%
Cost of Roadside Assistance, Towing, etc.: $2,500-5,000 0 0%
Cost of Roadside Assistance, Towing, etc.: $5,000-10,000 0 0%
Cost of Roadside Assistance, Towing, etc.: $10,000+ 0 0%
COST OF TIRE REPAIR OR REPLACEMENT (including new tire and/or wheel, shipping, extended warranty, mounting & balancing and similar charges, even if reimbursed by insurance) – Please select only one response in this category: 1 1.14%
Cost of Tire Repair or Replacement: $0 0 0%
Cost of Tire Repair or Replacement: $1-100 3 3.41%
Cost of Tire Repair or Replacement: $100-250 2 2.27%
Cost of Tire Repair or Replacement: $250-500 2 2.27%
Cost of Tire Repair or Replacement: $500-1,000 0 0%
Cost of Tire Repair or Replacement: $1,000-1,500 0 0%
Cost of Tire Repair or Replacement: $1,500-2,000 0 0%
Cost of Tire Repair or Replacement: $2,000-2,500 0 0%
Cost of Tire Repair or Replacement: $2,500+ 0 0%
ADDITIONAL DAMAGE TO AIRSTREAM – Please select all responses that apply in this category: 1 1.14%
Additional Damage to Airstream: None 6 6.82%
Additional Damage to Airstream: Minor cosmetic damage (even if not repaired) 1 1.14%
Additional Damage to Airstream: Functional damage to other tires, wheels, suspension parts, etc. 0 0%
Additional Damage to Airstream: Functional damage affecting safety, including brake lines/parts, electrical wiring, propane lines, etc. 0 0%
Additional Damage to Airstream: Major damage to exterior or interior of Airstream, including body panels, windows, rock guards, water heater, refrigerator, etc. 0 0%
Additional Damage: Tow vehicle or other vehicles 0 0%
Additional Damage: Personal injury, property or other damage associated with tire failure 0 0%
COST OF ADDITIONAL DAMAGE TO AIRSTREAM (estimate, if not repaired) – Please select only one response in this category: 1 1.14%
Cost of Additional Damage to Airstream: $0 4 4.55%
Cost of Additional Damage to Airstream: $1-100 0 0%
Cost of Additional Damage to Airstream: $100-500 0 0%
Cost of Additional Damage to Airstream: $500-1,000 1 1.14%
Cost of Additional Damage to Airstream: $1,000-2,500 0 0%
Cost of Additional Damage to Airstream: $2,500-5,000 0 0%
Cost of Additional Damage to Airstream: $5,000-7,500 0 0%
Cost of Additional Damage to Airstream: $7,500-10,000 0 0%
Cost of Additional Damage to Airstream: $10,000-15,000 0 0%
Cost of Additional Damage to Airstream: $15,000-25,000 0 0%
Cost of Additional Damage to Airstream: $25,000+ 0 0%
Cost of Additional Damage to Airstream: Total loss (scrap/salvage) 0 0%
COST OF OTHER DAMAGE (including personal injury, property, tow vehicle or other damage associated with tire failure) – Please select only one response in this category: 1 1.14%
Cost of Other Damage: $0 5 5.68%
Cost of Other Damage: $1-100 0 0%
Cost of Other Damage: $100-500 0 0%
Cost of Other Damage: $500-1,000 0 0%
Cost of Other Damage: $1,000-2,500 0 0%
Cost of Other Damage: $2,500-5,000 0 0%
Cost of Other Damage: $5,000-10,000 0 0%
Cost of Other Damage: $10,000-25,000+ 0 0%
Cost of Other Damage: $25,000-50,000 0 0%
Cost of Other Damage: $50,000+ 0 0%
Cost of Other Damage: Total loss (tow vehicle, other vehicles and/or property) 0 0%
TOW VEHICLE TIRE DAMAGE – Please select only one response in this category: 1 1.14%
Tow Vehicle Tire Damage – Were tires also damaged on your tow vehicle: Yes 0 0%
Tow Vehicle Tire Damage – Were tires also damaged on your tow vehicle: No 4 4.55%
Multiple Choice Poll. Voters: 88. You may not vote on this poll

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Old 10-05-2016, 01:37 AM   #29
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Re: A Little Background on the Use of Non-ST Tires on Airstreams

AirForums Website visitors and newer members may wonder about the controversy and frequent debate over the use of ST (Special Trailer) tires versus other tire types on Airstream travel trailers, and why the topic of tire failures keeps arising. The tire polls on this site are an attempt to quantify and add scope to this problem, which is often discussed, but whose exact magnitude has remained elusive.

Although this poll is only a few days old (and we hope AirForums members continue to share their experiences with non-ST tires), preliminary data indicates a positive trend towards higher tire reliability of P (Passenger), XL (eXtra Load) and LT (Light Truck) tires over their ST counterparts.

Part of data gathering was to research old tire discussion threads and identify 134 members who had switched from ST to non-ST tires, and then to notify them of this poll's release and ask them to participate. In doing that, some interesting numbers appeared:

While there were numerous tire discussions over the last 11 years, there were 6-8 core threads with over 2,000 posts where this tire upgrade evolved, was tested by early adopters, and grew to what it is today. Of particular interest is the first mention of using LT (Light Truck) tires to replace ST tires on Airstreams. That credit goes to Bob Thompson, in the discussion thread he initiated on 05/09/05, entitled "Tires...Tires...Tires...".

The early adopters in these threads spent their own time and money searching for a better tire to replace the failure-prone ST; and now, we may have some measure of proof that the non-ST solution is it. Preliminary results indicate a less than 10% failure rate for non-ST tires (with a significant number of failures due to road hazards); versus 50% for ST's (with nearly all failures NOT caused by road hazards).

Note: ST data is from the Airstream Tire Failure Poll.

Many of us who switched from ST tires to more reliable alternatives owe our thanks to these "tire pioneers".

Again, my personal thanks to the members who took the time to participate in these tire polls.
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Old 10-05-2016, 02:19 AM   #30
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Voted, and thanks to Phoenix for putting this poll together. I've been running 16" E-Rated LT Michelin tires since 2011. I run 5 tires and wheels with a 5-tire rotation.

I voted for Michelin M/S2, but I actually received five new ones for free when the previous three year old M/S tires purchased from Jackson Center were replaced under recall. I keep pretty meticulous records of trips and tire mileage. In almost 22,500 miles, I've never had an issue. I love these tires and would probably only replace them with the XPS Ribs, but that's a pretty hefty outlay increase that I'm not sure is worth it.

Michelin M/S mileage: 14,207
Michelin M/S2 mileage: 8,215
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Old 10-05-2016, 06:59 AM   #31
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Thank you Phoenix for the incredible amount of your time putting this poll together. I have switched to 16" LT Michelins. I did not vote because of only having put about 1200 miles since switching. Plan on putting another 700 miles on them this coming weekend.
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Old 10-05-2016, 08:52 AM   #32
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Thank you Phoenix for taking the time and effort to put this pole up. Very informative. I see that my Continental Vanco 2 tires are the oldest ( 7+ yrs. ) ones so far! I do not know if being a commercial tire has any bearing on it, but these tires still look good with no cracks. We are on a cross country trip right now. Shame not produced any more.
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Old 10-05-2016, 02:07 PM   #33
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Quote:
Originally Posted by RLS View Post
Thank you Phoenix for taking the time and effort to put this pole up. Very informative. I see that my Continental Vanco 2 tires are the oldest ( 7+ yrs. ) ones so far! I do not know if being a commercial tire has any bearing on it, but these tires still look good with no cracks. We are on a cross country trip right now. Shame not produced any more.
Those are great tires. I had a set on my flatbed trailer for many years.
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Old 10-06-2016, 09:19 AM   #34
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Quote:
Originally Posted by RLS View Post
Thank you Phoenix for taking the time and effort to put this pole up. Very informative. I see that my Continental Vanco 2 tires are the oldest ( 7+ yrs. ) ones so far! I do not know if being a commercial tire has any bearing on it, but these tires still look good with no cracks. We are on a cross country trip right now. Shame not produced any more.

Thank you from me as well.
I certainly had my share of controversy over this issue.
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Old 10-06-2016, 02:26 PM   #35
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Thanks for the poll Phoenix.

The only member I can recall with a tire problem with LT tires is Steve H.

I put over 25,000 trouble free miles in five years on the first set of Michelin LTX M/S2 P235/75/15 XL tires. I replaced them with Michelin Defender LTX 235/75/15 XL this summer.

http://www.airforums.com/forums/f438...-xl-75437.html
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Old 10-06-2016, 03:17 PM   #36
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Thanks for doing this. It may yield some interesting information.

I do have a couple of questions:

Why are the boxes at the beginning of a category active? Unless I made a mistake, it also appears that the percentages of tire manufacturers (and several other categories) don't add to 100 as it would seem that they should. Maybe people are checking the first box and not filling in the proper following box. Are improperly filled out poll responses rejected from the data set?

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Old 10-06-2016, 04:00 PM   #37
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Al,

The underlying BBS software that creates the poll and does the calculations, sees every line of text as a poll question and adds a "voting box" at the beginning of the line. Also, as you can probably tell, even though directions like "Please select only one response in this category" were added, the poll allows a participant to check any box in the poll. Similarly, one can just skip questions, which also throws the total count off. Between these two "poll errors", the answers to most questions will not total 100%. There's nothing that can be done to improve on this peculiarity, so one just has to weigh the responses and "fill in the blanks". In most cases, it's pretty easy to figure out what the totals should be, even though the percentages don't add up.

Regarding the percentages displayed, those numbers appear to be calculated by dividing the number of responses on a specific line by the total number of "voters" who have completed the poll (see the line of text in the blue bar at the bottom of the poll; e.g., "Multiple Choice Poll. Voters: 74. You have already voted on this poll."). So, the percentage shown is the percentage of total voters that selected the box for this specific question.

I think all polls have errors like these; and normally, before final reports are issued, questionable entries are investigated and corrected in the final numbers. However, because this poll is "locked up" on this Website, there is no way to correct or compensate for erroneous entries.

While there are limitations in the BBS software, there are workarounds that help improve data accuracy; and each poll gets a little bit better than the previous one. However, by the time a new poll is created, some of the pitfalls in the previous one have been forgotten.

I acknowledge that these polls are too small a sample size, and the questions inadequate, to be used for failure analysis by our tire experts; but I think there's enough information for AirForums members to see data trends, and to feel more confident in their new tire purchases.

Thanks!

Phoenix
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Old 10-07-2016, 02:33 PM   #38
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Defender LTX M/S description from Michelin rep.

I spoke with Michelin (just now) about my new Defender LTX M/S 235 75 15 109T tires and was told they were manufactured in Arkansas, they are a European tire, rated for Extra Load; they told me even though there is no rating on the tire, they are a light truck tire. I am sure one or some of you out there will take exception to this and point out the ST recommendations (again, and again??) But as I mentioned earlier, I like these, (as do others on this post) I have always been a Michelin man. Earlier in life, when I "have" listened to the trailer manufacturers in the past, I got burned using ST tires on at least 2 occasions with blowouts. So, I am happy for now and feel safe towing this AS with this tire. As someone pointed out, all tires can fail at some point... I am not convinced I need a 6-10 ply ST tire for my use model on my AS.
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Old 10-08-2016, 04:44 AM   #39
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2005 19' Safari
Phoenix , Arizona
Join Date: Aug 2004
Posts: 2,366
Re: Preliminary Comparison of ST to NON-ST Tire Failure Data - As of 10/07/16

Airstream Tire Failure Poll - Initiated 05/01/11, with 284 "voters" as of 10/07/16. Originally, designed to collect data on all tire failures, it primarily contains ST (Special Trailer) tire failures; because that was the most common tire in use at that time.
  • 50% of voters reported that one or more of their ST tires had failed.

  • 14% of voters reported that their Airstreams were damaged by tire failures. See damage costs, below:

    Additional Damage: $1-100_________2.82%____8 voters

    Additional Damage: $100-500_______3.17%____9 voters

    Additional Damage: $500-1,000_____2.46%____7 voters

    Additional Damage: $1,000-5000____4.58%___13 voters

    Additional Damage: $5000-10,000___0.70%____2 voters

    Additional Damage: $10,000+_______0.35%____1 voter

Airstream NON-ST Tire Poll (this poll) - Initiated 10/01/16, with 77 voters as of 10/07/16. Designed to collect data on P (Passenger), XL (eXtra Load) and LT (Light Truck) tires, which are increasingly being used by AirForums members to replace ST tires.
  • As of 10/07/16, 10% of voters reported that a non-ST (i.e., P, XL or LT) tire had failed.

  • As of 10/07/16, NO voters have reported that their Airstreams were damaged by tire failures.
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Old 10-08-2016, 04:58 AM   #40
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2005 19' Safari
Phoenix , Arizona
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Re: Michelin XPS Ribs

I see that four other AirForums members are running Michelin XPS Ribs.

Could those people please share the status on their tires?

Ours XPS Ribs are installed on a 19' Bambi (4,500 pounds); they're inflated to 80 psi; they're 5.5 years old with 45,000 miles on them; and I have had absolutely no problems.

Thanks!
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Old 10-08-2016, 08:32 AM   #41
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2010 27' FB Classic
N/A , Texas
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Hello Phoenix,
I've had my xps ribs on my 27' Classic for a couple of years and have about 18,000 on them with no problems to this point. I have driven at high speeds for hours, and they do not seem to heat up like other tires (less squirm because of steel sidewalls). I use them on my TV also and have for years (20 + yrs). Smooth ride on my TV so I figure the trailer is getting a smooth ride too. They seem to last forever. The best tire I ever used and to me worth the $$$.
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Old 10-09-2016, 02:29 PM   #42
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Oswego , Illinois
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Well, I already completed the poll, but had a Michelin ltx failure Fri night. Not the tire's fault. HUGE, full lane pothole at a truck stop entrance where big rigs have eaten up the pavement bed. Just happened to notice it while putting my tpms sensors back on.
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