Tire Speed Rating Questions
Apr 18, 2009 | 09:50 PM
#11
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Joined: Mar 2004
Posts: 1,817
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From: 30 Miles North of Atlanta
Here is one such example of the vagueness. Until the required speed has been met? I would think "until the tire fails" or something to that effect.
Speed ratings are based on laboratory tests where the tire is pressed against a large diameter metal drum to reflect its appropriate load, and run at ever increasing speeds (in 6.2 mph steps in 10 minute increments) until the tire's required speed has been met.
Speed ratings are based on laboratory tests where the tire is pressed against a large diameter metal drum to reflect its appropriate load, and run at ever increasing speeds (in 6.2 mph steps in 10 minute increments) until the tire's required speed has been met.
Apr 18, 2009 | 10:00 PM
#12
Thread Starter
Joined: Mar 2004
Posts: 1,817
Likes: 58
From: 30 Miles North of Atlanta
OK, I found this link
It makes sense from what I suspected. The tires are tested at their load ratings so an empty truck would afford some head room. Click the experts name link to see his credentials.
Not that I'm going to go out and run @ 125 for more than a minute mind you.
It's just the same way we want to know all we can about Air/Fuel ratios and "How lean can we go", I wanted to know whats up with tires and speed and the scenarios.
It makes sense from what I suspected. The tires are tested at their load ratings so an empty truck would afford some head room. Click the experts name link to see his credentials.
Not that I'm going to go out and run @ 125 for more than a minute mind you.
It's just the same way we want to know all we can about Air/Fuel ratios and "How lean can we go", I wanted to know whats up with tires and speed and the scenarios.
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