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  1. vospertw

    Questions about Shock Absorber Application

    israelkk, We don't have much room to manuever on spring length since it needs to fit the OEM shock absorber and still provide a useful preload range so the rider can set the proper ride height for the load carried.
  2. vospertw

    Questions about Shock Absorber Application

    israelkk, Here's a scan of the print out for the problem spring. The proposed 475 spring had the same comment about cyclic service.http://files.engineering.com/getfile.aspx?folder=3f2dbeea-335f-4342-ad6f-64a9c887b654&file=SMI_426
  3. vospertw

    Questions about Shock Absorber Application

    Sbozy, I'm familiar with both companies. Unfortunately, neither makes a spring for this particular application. As you know, you can sometimes find something that will "come close" but often require adapter rings, or the length doesn't really match up with normal preload ranges, etc. I'm...
  4. vospertw

    Questions about Shock Absorber Application

    I don't have adequate information to define the required life cycle. As a shock absorber spring, it will compress many, many times. However, the compression is limited by the shock absorber shaft travel, in this case roughly 90mm. However, that's further limited by a bump rubber, so true...
  5. vospertw

    Questions about Shock Absorber Application

    Sbozy, thanks again. Seems that from a design perspective, our current manufacturer is on track, but maybe quality control isn't what it should be?
  6. vospertw

    Questions about Shock Absorber Application

    First of all, I appreciate the information I've received on this forum. Thank you very much, each of you. I apologize in advance since I now see that I misstated some of the information on active/total coils. I didn't have the data sheets with me and transposed them in my head. Here's some...
  7. vospertw

    Questions about Shock Absorber Application

    Yes, the rate was 450lbs/in. I do have the design parameters for both spring desings, however, they are currently sitting on my desk in San Diego and I'm in Phoenix. I will post them as soon as I can. The .312 music wire design was the one with 3.7 active coils. Obviously, if there were no...
  8. vospertw

    Questions about Shock Absorber Application

    My company sells motorcycle shock absorber springs as an alternative to the OEM spring. Our manufacturer recently sent us a batch of springs that we've had some problems with, and I'm trying to ascertain the real culprit. Some of the springs have a bow to them that is apparent to the naked eye...

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