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  #25  
Old 01-06-2011, 07:07 PM
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Re: Close call in my garage

Happened to a neighbor last spring, took out his rear window on his Cadillac. The newer ones with the safety cable is much better.
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Old 01-07-2011, 12:17 PM
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Re: Close call in my garage

Cperez: Thanks for the enlightening post and all the information. And thanks to MSCA and others for their input. This was an eye opener. Im planning on moving into a new (to me) home in a few months and the first thing I was going to do was purchase a new Jeep. Now, the first thing may be to check the garage doors system for the safety of my family (and the new Jeep). I wish the administrators of this site could somehow highlight this thread so that everyone would read it. Thanks again.
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Old 01-07-2011, 12:53 PM
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Re: Close call in my garage

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Originally Posted by GrandPa View Post
Cperez: Thanks for the enlightening post and all the information. And thanks to MSCA and others for their input. This was an eye opener. Im planning on moving into a new (to me) home in a few months and the first thing I was going to do was purchase a new Jeep. Now, the first thing may be to check the garage doors system for the safety of my family (and the new Jeep). I wish the administrators of this site could somehow highlight this thread so that everyone would read it. Thanks again.
I have learned a lot from this discussion, too. From what I understand, the risk with a torsion spring design is that when it fails, the door slams down guillotine-style. There must be some sort of failsafe clutch mechanism or something, or is it an inherent danger of that design? Hard to believe, if so.

When an extension spring fails, there seems to be less potential danger to people and property because a) the door is already down, and b) there is a simple and effective way to prevent a flyaway spring.

Glad you found this thread useful, GP, and welcome to the group. I agree this is a great resource populated by some quality people.
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Old 01-07-2011, 01:01 PM
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Re: Close call in my garage

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Originally Posted by Cperez View Post
I have learned a lot from this discussion, too. From what I understand, the risk with a torsion spring design is that when it fails, the door slams down guillotine-style. There must be some sort of failsafe clutch mechanism or something, or is it an inherent danger of that design? Hard to believe, if so.
I actually came across some really useful information about torsion springs. The door will only slam down if it uses a single torsion spring. However, most garage doors use two torsion springs back-to-back. That way, if one snaps, the other will prevent the door from slamming down. So it's definitely a good idea to use two springs if you have a torsion spring system.

It seems that some garage door installers choose a single torsion spring system to save money during the initial garage door installation. If you have a single spring, you can always add a second spring. Not only will this prevent the door from slamming down, but from what I understand it will also increase the life expectancy of the springs because they are sharing the load. I don't know if it will double the life expectancy, but from what I read it will definitely increase it.
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