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Posted by Rich on July 27, 2006, 9:51 am
That would be for one pair of springs with the dimensions specified.
====================================
Garage Door Parts, LLC
973-472-4818
http://www.garagedoorsupply.com ====================================
>
> 1-3/4" x .207" x 28.5" wound 7.9 turns with 400-8 drums will give you
> 25,000 cycles.
> http://www.garagedoorsupply.com/torsion-spring.html
>
> Rich
> ====================================
> Garage Door Parts, LLC
> 973-472-4818
> http://www.garagedoorsupply.com
> ====================================
>
>>
>>>> Replacing a spring isnt rocket science . It is something most anyone
>>>> could learn with say an hour of instruction and supervised experience.
>>>> It is something that you dont want to screw up. I did and put a steel
>>>> bar you use to adjust it with through the ceciling. I knew what I was
>>>> doing I just let it slip out of my hand. I must admit I didnt know you
>>>> could cut them to length, that news to me.
>>>>
>>>> Jimmie
>>>
>>> Hey Jimmie,
>>>
>>> You sound knowledgeable, my question isn't rocket science either.
>>> Can you help me convert my springs. I want to change one 140 pound 8x7
>>> garage door with 400-8 drums from 10,000 to at least 25,000 cycles?
>>> Door currently uses two springs measuring .187 wire x 18.5 length x
>>> 1-3/4 inside diameter.
>>> What would the dimensions for 25,000 cycle springs be?
>>>
>>> Thanks,
>>>
>>> George
>>>
>>
>> Hi George, I never worked on them long enough to get that envolved with
>> them, Worked about six months and never saw anything that had to be
>> figured out like this. The boss probably knew how but after 20 years he
>> had it all in his head, I doubt if there was anything he hadnt seen
>> before. I imagine he is retired now with his sons doing the work, Im sure
>> they have a copmuter program to work something like this out if there is
>> actually any call to do this. Like I said an hrs instruction for
>> replacement and repair not design. Well after 6 months there I got a job
>> with Raytheon doing missile maintenance. After 19 years I still dont have
>> to know how to design a missile either.
>>
>> My question is why would you want to replace them before they needed it.
>> I would get the life out of what I had already paid for before I replaced
>> them. I think the ones you have would probabaly last about 15 years.
>>
>>
>>
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