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08-09-2013, 11:50 AM
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#1
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Senior Member
Trailer: No Trailer Yet
Posts: 5,112
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Why You Should Never Weld a Rim with a Tire Mounted
Interesting video, if you have not seen it, this is about how a tire can thermally run away with a small initial heat source like a weld arc.
Wheels of Fire Training Video - YouTube
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08-09-2013, 12:09 PM
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#2
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Senior Member
Name: GP
Trailer: Looking
British Columbia
Posts: 163
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Wow..that is very interesting Thomas. The point about the danger of using a torch to remove lug nuts is particularly interesting - I've seen that done so many times.
Thanks!
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08-09-2013, 12:23 PM
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#3
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Senior Member
Trailer: Scamp
Posts: 7,056
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Thanks for sharing that Tom.
__________________
Byron & Anne enjoying the everyday Saturday thing.
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08-09-2013, 12:44 PM
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#4
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Senior Member
Trailer: No Trailer Yet
Posts: 5,112
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The amazing thing to me is how little it took to initiate the process (just a fraction of a second of arc welding).
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08-09-2013, 01:27 PM
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#5
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Senior Member
Name: Carl
Trailer: 2013 Lil Snoozy #161 (SOLD)/2010 Tacoma
NE Oklahoma
Posts: 2,358
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That was incredible.
I was going to stop when it exploded, but the whole thing needs to be seen.
Hope this doesn't make me paranoid.........LOL
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08-09-2013, 01:28 PM
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#6
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Senior Member
Name: Jack
Trailer: '98 BURRO 17WB
Delaware
Posts: 2,548
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The dragging brake shoes/chemical pyrolysis connection got me thinking about all those cheap Chinese "bombs" alleged to go bang on the road. Would a hot drum be more likely to cause a blowup when stopped? Would the blowout usually occur in sidewall or bead or as tread separation? Could blowouts be attributable to factors other than overloading, under-inflation, sidewall flex, UV deterioration of tire compounds? Is there a smoking gun here that hasn't received adequate attention?
jack
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08-09-2013, 01:32 PM
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#7
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Senior Member
Name: Carl
Trailer: 2013 Lil Snoozy #161 (SOLD)/2010 Tacoma
NE Oklahoma
Posts: 2,358
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It definitely got my walnut brain to thinking also Jack.
That's why that information was "incredible" to me.
And the comments underneath the vid was something.
One guy says he deflates his tires, does not use a welder,
BUT heat with a gas torch................Guess he missed the
second half of the video?
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08-09-2013, 01:46 PM
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#8
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Senior Member
Name: Cyndi
Trailer: 2010 Scamp 5th Wheel/2019 Toyota Tundra
Iowa
Posts: 1,105
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I sent this to my husband who is a Safety Manager in Montana in the Oil Patch.
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08-09-2013, 02:17 PM
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#9
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Senior Member
Trailer: Scamp
Posts: 7,056
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Quote:
Originally Posted by rabbit
The dragging brake shoes/chemical pyrolysis connection got me thinking about all those cheap Chinese "bombs" alleged to go bang on the road. Would a hot drum be more likely to cause a blowup when stopped? Would the blowout usually occur in sidewall or bead or as tread separation? Could blowouts be attributable to factors other than overloading, under-inflation, sidewall flex, UV deterioration of tire compounds? Is there a smoking gun here that hasn't received adequate attention?
jack
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Jack,
I suspect that the answer to a lot of your questions is yes. Overloading, under-inflation, sidewall flex all create a heat build up. UV deterioration I believe would lower the temperature that failure is likely to happen.
I was following a flat bed truck a couple months ago when the right rear tire blew up. I don't think the driver ever knew it, the front of my truck got hit by a large piece of the tire. It was a glancing blow and no damage done. Tire explosions I think happen more than we know about. Just look at the amount of tire pieces along any freeway.
__________________
Byron & Anne enjoying the everyday Saturday thing.
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08-09-2013, 03:08 PM
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#10
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Senior Member
Name: bob
Trailer: 1996 Casita 17 Spirit Deluxe; 1946 Modernistic teardrop
New York
Posts: 5,413
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Most of those tire pieces on the roads (road alligators) are the tread from recap truck tires. Many trucking companies will run recaps on the drive axles and on trailers. They usually come apart when overheated from being run flat. I have heard of truck tires catching fire from overheating, usually from a brake problem.
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08-09-2013, 04:53 PM
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#11
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Senior Member
Name: Cyndi
Trailer: 2010 Scamp 5th Wheel/2019 Toyota Tundra
Iowa
Posts: 1,105
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My husband says he will be using this in a safety meeting.
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08-09-2013, 06:51 PM
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#12
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Senior Member
Name: Carl
Trailer: 2013 Lil Snoozy #161 (SOLD)/2010 Tacoma
NE Oklahoma
Posts: 2,358
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Quote:
Originally Posted by Cyndi B.
My husband says he will be using this in a safety meeting.
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Good for him Cyndi............Everyone should at least have a taste
of this food for thought.
On the semi-trucks, some of the companies ran recaps on the drivers
and trailers but thankfully they would only run New tires on the steering.
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08-09-2013, 08:46 PM
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#13
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Senior Member
Name: bob
Trailer: 1996 Casita 17 Spirit Deluxe; 1946 Modernistic teardrop
New York
Posts: 5,413
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I'm not sure that it's even legal to run recaps on the steer axle. I know company policy was to not do it, and we would only cap a tire a limited number of times and then scrap it.
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08-10-2013, 07:07 AM
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#14
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Senior Member
Name: Carl
Trailer: 2013 Lil Snoozy #161 (SOLD)/2010 Tacoma
NE Oklahoma
Posts: 2,358
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Quote:
Originally Posted by mary and bob
I'm not sure that it's even legal to run recaps on the steer axle. I know company policy was to not do it, and we would only cap a tire a limited number of times and then scrap it.
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That was probably the case.
"Sometimes" the employee is not that much of a factor.
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