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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Spring Claws SP1/1
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<blockquote data-quote="davidd" data-source="post: 21584" data-attributes="member: 1177"><p>Peter,</p><p> </p><p>I put a lot of thought into redesigning the rear springing system, but as you know I ended up building a coil over with a Works Performance damper, which is now available from Thornton. I did so because the when the spring boxes cocked, I noticed that on one box, the inner had worn through the outer and thus created a serious stiction point. I had made springs for the rear which were cylindrical and "closed and ground" which is the usual "end." The springs you mention do not sound as if they were closed before grinding.</p><p> </p><p>I had intended to take some springs that were closed and ground and trim the end back until is was an "open" end. I was then going to turn my own claw which would be an aluminum plug with a groove to match the pitch of the spring. If you are interested in some cylindrical springs I could come up with some. </p><p> </p><p>The damper moves roughly 3.25" to its limit. When I was designing the short front springs I found that there was no practicable way to utilize a progressive spring through a 3 inch stroke. As a result, I was not wedded to the barrel shaped stock springs in the rear.</p><p> </p><p>David</p></blockquote><p></p>
[QUOTE="davidd, post: 21584, member: 1177"] Peter, I put a lot of thought into redesigning the rear springing system, but as you know I ended up building a coil over with a Works Performance damper, which is now available from Thornton. I did so because the when the spring boxes cocked, I noticed that on one box, the inner had worn through the outer and thus created a serious stiction point. I had made springs for the rear which were cylindrical and "closed and ground" which is the usual "end." The springs you mention do not sound as if they were closed before grinding. I had intended to take some springs that were closed and ground and trim the end back until is was an "open" end. I was then going to turn my own claw which would be an aluminum plug with a groove to match the pitch of the spring. If you are interested in some cylindrical springs I could come up with some. The damper moves roughly 3.25" to its limit. When I was designing the short front springs I found that there was no practicable way to utilize a progressive spring through a 3 inch stroke. As a result, I was not wedded to the barrel shaped stock springs in the rear. David [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Spring Claws SP1/1
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