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Old 05-11-2005, 06:41 PM   #1
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Disc brakes.

Safety is the order of the day for disc brakes.

Safety "SHOULD ALWAYS" be at the top of everyones list whether at home or away and as well at work or play.

Never have heard of "TOO MUCH SAFETY".

Andy
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Old 05-11-2005, 07:18 PM   #2
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Never have heard of "TOO MUCH SAFETY".

Andy
I agree with you on the brakes, but you've obviously never been in the military. LOL!

Jim
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Old 05-11-2005, 07:24 PM   #3
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I worked on nuke subs, talk about safety redundancy, but we (Norfolk) never lost one because of a mechanical problem. When my life and that of my family is on the line I want to be as safe as I know how to be or can afford to be.
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Old 05-11-2005, 07:34 PM   #4
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I worked on nuke subs, talk about safety redundancy, but we (Norfolk) never lost one because of a mechanical problem. When my life and that of my family is on the line I want to be as safe as I know how to be or can afford to be.
Couldn't agree more. I have great respect for the military, especially those serving today. I'm talking about the silliness of simple things like cutting the grass wearing: strap on steel toes for you boots, shin guards, gender specific groin area protection, breathing mask, log sleeves, ballistic sun glasses and a crash helmet. That's overkill, kinda like OSHA and the EPA run amok.

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Old 05-11-2005, 07:43 PM   #5
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Jim and Susan.

I was in the Air Force when the jets first came on the scene.

I did electronic research in the field of Audiology as well as other fields.

Agreed, most military equipment is designed and built by the "low bidder." Safety is not as much of a concern or issue as much as performance.

This is especially true, if that equipement failed and harmed just a few people, as we all know that the military considers a persons life as "expendable."

But, when that harm could happen to hundreds of thousands, it becomes a different story.

On a Nuke sub, you live, eat and breathe safety, or "ELSE".

But, most of my work was in a laboratory, other than riding jump seat in many different aircraft to take sound level measurements, both in jets and reciprocation engine type aircraft, as well as on the ground.

Greatest thing we taught was the danger of loud noises or sounds, and how to protect your ears from it.

Our younger generation today, will certainly be buyng many hearing aids, when they reach 40 years old, if that long.

Andy
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Old 06-07-2005, 02:02 PM   #6
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Silvertwinkie posted this picture on his web site. He took this while at Jackson Center while visiting the factory. I'm just curious about the postion of the brake line. Don't you think that this is subject to damage when a tire blows? I figure that's all you need a blown tire and a ruptured brake line.

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Old 06-07-2005, 03:33 PM   #7
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Jack.

We strive to place as much of the hydraulic lines that we can on the back side of the axle mounting plate, minimizing the exposure should a tire blow, as well as from rocks.

We agree that the Airstream installation (pictured here) exposes itself to damage from a blow out and rocks. But, they may feel that is very unlikely to happen.

Again the issue becomes what degree of safety is acceptable. The higher degree of assurance in this case, is definitely more expensive, as there is more work involved hiding as much of the steel lines as possible.

Andy
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Old 06-07-2005, 04:01 PM   #8
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..Again the issue becomes what degree of safety is acceptable. The higher degree of assurance in this case, is definitely more expensive, as there is more work ...
I'm honestly a little surprised to see you attach a price tag to safety, Andy. Not that I don't agree, but every car/truck that I own/have owned has never been designed with hydraulic lines exposed like Jack's example.

At face value, it appears Airstream did not design the routing, but merely incorporated a kit.

No attack intended. Someone please delete this post if it appears that way.

Tom
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Old 06-07-2005, 04:40 PM   #9
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TomW

We are saying the same thing.

I merely suggested that with a little more effort, and expense, the lines pictured could have been installed in a manner that could better minimize the risk of damage.

I have not attached a price tag to that design. Airstream has, for whatever reason or reasons that they may have.

We choose the more expensive way. In fact, for one of our customers, we encased all the steel lines in copper tubing, per his request.

We do feel however, that the steel lines can take a fair amount of punishment, and still survive. But a blowout could, possibly, fracture a line.

Andy
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Old 06-07-2005, 04:51 PM   #10
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...We do feel however, that the steel lines can take a fair amount of punishment, and still survive. But a blowout could, possibly, fracture a line...Airstream has {established a price tag}, for whatever reason or reasons that they may have...
Fair enough.

But did I notice a not-so-hearty flexline near the aft tire in the line-of-fire?

BTW, I know you have no control on what they design.

Tom
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Old 06-07-2005, 04:52 PM   #11
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I guess I have heard enough stories about the damage that occurs when a steel belted tire starts falling apart under speed. Damaged wheel wells, damage sewer outlets seem to be a common thread. I would guarantee you that if that was my trailer, I would be doing a little extra work to fashion up some protection for those lines. That routing as shown in the picture really isn't acceptable in my eyes.

Jack
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Old 06-07-2005, 05:04 PM   #12
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...In fact, for one of our customers, we encased all the steel lines in copper tubing, per his request.
Copper is much milder than steel.
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Old 06-07-2005, 05:48 PM   #13
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. . . . In fact, for one of our customers, we encased all the steel lines in copper tubing, per his request.
They won't last very long if they get wet. Can you say "galvanic corrosion".
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Old 06-08-2005, 08:03 AM   #14
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But did I notice a not-so-hearty flexline near the aft tire in the line-of-fire?
There needs to be a flex line because of the motion of the axle end.

Airstream probably assumes in the case of a tire failure it will take the flex line out way before the steel tube so the position is not that important. And there is no way to get away from a flex line with the way the axles are built.

John
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