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On 15 Jan 2001, at 13:23, Erkson, Toby wrote: > I'm quite sure there's a "sand" seal available for the T3. Hey Fye, > can you confirm this? > >-----Original Message----- > >Berg has a comment in one of his papers about how type 3s can > >pull sand in the rear crank hole since there is no seal there. I have > > toyed with just using a large O-ring to seal between the rear of the > > case and the front of the fan housing to prevent this possibility... Yes, you can get the fan modified for a sand seal, but it weakens the hub. My point was that a simple seal between the nose of the case and the fan housing will make this unnecessary, since sand won't make it to the centerline of the fan (inside the housing) as long as the fan is spinning. Simple, cheap, effective, who could ask for more? - ******************************* Jim Adney, jadney@vwtype3.org Madison, Wisconsin, USA ******************************* ------------------------------------------------------------------- Pitch in! Send your pledge of support! mailto:support@vwtype3.org