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#1
June 29th 04, 04:20 AM
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Tension Springs
Has anyone modified their Dobsonian with something similar to the Orion
Correct Tension system? I have a Celestron Starhopper 11" and need to come up with some kind of tension adjustments as balance while switching eyepieces is an issue. What type of springs did you use and where did you find them. How did you attach them to the scope? Any additional info or pictures you could provide will be appreciated. Thanks. John 
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#2
June 30th 04, 03:58 PM
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Tension Springs
Guess not.
"John Gordon" wrote in message . .. Has anyone modified their Dobsonian with something similar to the Orion Correct Tension system? I have a Celestron Starhopper 11" and need to come up with some kind of tension adjustments as balance while switching eyepieces is an issue. What type of springs did you use and where did you find them. How did you attach them to the scope? Any additional info or pictures you could provide will be appreciated. Thanks. John
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#3
June 30th 04, 03:58 PM
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Tension Springs
Guess not.
"John Gordon" wrote in message . .. Has anyone modified their Dobsonian with something similar to the Orion Correct Tension system? I have a Celestron Starhopper 11" and need to come up with some kind of tension adjustments as balance while switching eyepieces is an issue. What type of springs did you use and where did you find them. How did you attach them to the scope? Any additional info or pictures you could provide will be appreciated. Thanks. John
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#4
June 30th 04, 04:37 PM
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Tension Springs
Try a Google search.
Phil John G wrote: Guess not. "John Gordon" wrote in message . .. Has anyone modified their Dobsonian with something similar to the Orion Correct Tension system? I have a Celestron Starhopper 11" and need to come up with some kind of tension adjustments as balance while switching eyepieces is an issue. What type of springs did you use and where did you find them. How did you attach them to the scope? Any additional info or pictures you could provide will be appreciated. Thanks. John
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#5
June 30th 04, 04:37 PM
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Tension Springs
Try a Google search.
Phil John G wrote: Guess not. "John Gordon" wrote in message . .. Has anyone modified their Dobsonian with something similar to the Orion Correct Tension system? I have a Celestron Starhopper 11" and need to come up with some kind of tension adjustments as balance while switching eyepieces is an issue. What type of springs did you use and where did you find them. How did you attach them to the scope? Any additional info or pictures you could provide will be appreciated. Thanks. John
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#6
June 30th 04, 06:18 PM
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Tension Springs
I use Bunji cords on my Babylon 8 Dob.
"John G" wrote in message . com... Guess not.
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#7
June 30th 04, 06:18 PM
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Tension Springs
I use Bunji cords on my Babylon 8 Dob.
"John G" wrote in message . com... Guess not.
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#8
June 30th 04, 06:18 PM
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Tension Springs
Guess not.
If you go to a full service auto parts store like Napa they often have a collection of springs. Someone with a 10 GS DOB could measure the coil diameter, wire diameter and length for you and you could duplicate it most likely. I could do that if I were at home.. :-( jon
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#9
June 30th 04, 06:18 PM
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Tension Springs
Guess not.
If you go to a full service auto parts store like Napa they often have a collection of springs. Someone with a 10 GS DOB could measure the coil diameter, wire diameter and length for you and you could duplicate it most likely. I could do that if I were at home.. :-( jon
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#10
June 30th 04, 06:51 PM
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Tension Springs
John G wrote:
Guess not. "John Gordon" wrote in message . .. Has anyone modified their Dobsonian with something similar to the Orion Correct Tension system? I have a Celestron Starhopper 11" and need to come up with some kind of tension adjustments as balance while switching eyepieces is an issue. What type of springs did you use and where did you find them. How did you attach them to the scope? Any additional info or pictures you could provide will be appreciated. Thanks. John John, Does this help. http://education.gsu.edu/spehar/FOCU...jci/krajci.htm Steve
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