 thickness of spacer needed for the 944 stubbies ..., anyone? clay? |
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| John |
 Aug 9 2006, 03:15 PM
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#21
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member? what's a member?  Group: Members Posts: 3,393 Joined: 30-January 04 From: Evansville, IN (SIRPCA) Member No.: 1,615 Region Association: None  |
The stub axles shown in the pic above have an area turned down to an OD that looks in the pic to be the same as the ID of the bearing. I believe that the spacer requested would need to fit that shoulder so that a 914 rear wheel bearing would be clamped between the hub shown and the stub shown.
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| Mueller |
Aug 9 2006, 03:20 PM
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#22
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914 Freak! Group: Members Posts: 17,146 Joined: 4-January 03 From: Antioch, CA Member No.: 87 Region Association: None 
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Looking back at Andys 1st post, I mis-understood the question and photo, so I guess I f'd up and made the spacer to mimic the 944 stub axle which was the wrong thing to do, I need to make the OD of the spacer equal to that of this surface in red???
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| SirAndy |
Aug 9 2006, 03:25 PM
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#23
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Resident German Group: Admin Posts: 41,644 Joined: 21-January 03 From: Oakland, Kalifornia Member No.: 179 Region Association: Northern California |
QUOTE(Mueller @ Aug 9 2006, 01:51 PM)  I have no idea....I was just asked to make one...seems like the OD should be larger to prevent the hub from pulling out of the bearing...I'm confused as well the spacer needs to fit on the bearing surface ... you'll need a 944 stub axle to see why ... the 944 stubbies have about ~5mm of surface equal to the bearing surface on the hubs ... meaning, your spacer has too small of an inner od ... keep up the good work, almost there ... (IMG:style_emoticons/default/smile.gif) Andy PS: the hubs i have are the early 911 style that use the same width wheel bearing as the 914. the problem is with the 944 stubbies, not the hubs ... |
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| Mueller |
Aug 9 2006, 03:38 PM
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#24
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914 Freak! Group: Members Posts: 17,146 Joined: 4-January 03 From: Antioch, CA Member No.: 87 Region Association: None
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QUOTE(SirAndy @ Aug 9 2006, 02:25 PM) the spacer needs to fit on the bearing surface ... you'll need a 944 stub axle to see why ... the 944 stubbies have about ~5mm of surface equal to the bearing surface on the hubs ... meaning, your spacer has too small of an inner od ... keep up the good work, almost there ... (IMG:style_emoticons/default/smile.gif) Andy PS: the hubs i have are the early 911 style that use the same width wheel bearing as the 914. the problem is with the 944 stubbies, not the hubs ... I made the ID ~1.20 to fit the 914 stock axle with the OD being ~1.65..oh well, it was a messy learing experiance (used an old piston from a set of 914 calipers to make the spacer (IMG:style_emoticons/default/smile.gif) ) |
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| SirAndy |
Aug 9 2006, 03:52 PM
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#25
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Resident German Group: Admin Posts: 41,644 Joined: 21-January 03 From: Oakland, Kalifornia Member No.: 179 Region Association: Northern California |
QUOTE(Mueller @ Aug 9 2006, 02:38 PM) I made the ID ~1.20 to fit the 914 stock axle with the OD being ~1.65..oh well, it was a messy learing experiance (used an old piston from a set of 914 calipers to make the spacer (IMG:style_emoticons/default/smile.gif) ) actually, make that 6mm width ... it's easier to shave some off then add some on later ... (IMG:style_emoticons/default/beerchug.gif) Andy |
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| ClayPerrine |
Aug 9 2006, 07:14 PM
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#26
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Life's been good to me so far..... Group: Admin Posts: 15,470 Joined: 11-September 03 From: Hurst, TX. Member No.: 1,143 Region Association: NineFourteenerVille
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QUOTE(Mueller @ Aug 9 2006, 04:20 PM) Looking back at Andys 1st post, I mis-understood the question and photo, so I guess I f'd up and made the spacer to mimic the 944 stub axle which was the wrong thing to do, I need to make the OD of the spacer equal to that of this surface in red??? That is correct. You need the spacer ID to fit over the shoulder you pointed at in red, and the OD to be the same as the unmachined portion of the stubbie you're putting them on. Also, you need to add a 1.5mm bevel inside the spacer to account for the rolled edge on the stubbie, otherwise it won't sit tight against the rest of the stubbie. Or you could just shave 5mm off the axle flange and be done with it. |
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| Mueller |
Aug 14 2006, 01:28 AM
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#27
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914 Freak! Group: Members Posts: 17,146 Joined: 4-January 03 From: Antioch, CA Member No.: 87 Region Association: None
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