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Old 11-09-2012, 12:58 PM   #72
bugeyed
Semi-Pro
 
Join Date: Sep 2010
Location: Tx
Posts: 543
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Quote:
Originally Posted by tbuggle View Post
mine has a NICE bearing in it, no sliding going on. It's like a skateboard wheel, very little rolling resistance, i suspect the tension head/gripper barely detects it, if at all.
That mechanical setup is a different animal than the Babolat arrangement. Your diabolo needs to rotate freely so that the gripper "sees" the complete string tension. If it did not let the string slide through, the gripper would not lock out properly (at the proper tension). That is a different machine. The Babolat configuration works differently & does share the load. The tension measurement is done by a load cell that senses the tension that is felt by the shuttle relative to the chassis. Both the diabolo & linear gripper are firmly attached to the shuttle & do not move independently of each other. That's why the diabolo works to take part of the load.

Cheers,
kev
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