Talk:Burman and Sons

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'Recirculating worm and ball design'

Having carefully read the link it appears to me that this is incorrect. The manual more correctly refers to it as a 'screw and nut' design, which is much clearer. There are no recirculating ball bearings in the thread - the whole point of the design is the large contact area within the thread dispersing the forces and maintaining the oil film - ballbearings would have point contacts.

81.154.182.75 (talk) 14:37, 16 February 2010 (UTC)[reply]