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Rifles, Reloading, Optics, Equipment
Gunsmithing
Back Spindle Spider
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<blockquote data-quote="SidecarFlip" data-source="post: 831880" data-attributes="member: 39764"><p>The 'split nut (s) belong to the unfortunate hunter who attempted to cross the fence and slipped halfway over.... OUCH.</p><p> </p><p>Somehow, you can't compare that Grizzled one to a Hardridge or any second operation lathe. Well, maybe the uninformed can....</p><p> </p><p>That little machine reminds me of a glorified Harbor Freight copy...</p><p> </p><p>Back to the spyder......</p><p> </p><p>Not much bore on that machine. Maybe a 17 HMR barrel perhapse?</p><p> </p><p>BTW Jinx, it's most likely Diametrical Pitch. Most imported machines use that thread.</p><p> </p><p>I think you are over engineering it. You have enough material proud of the thread (OD on spindle) to machine a tight slip fit collar with 3 opposing setscrews to secure it. The only thing an outboard spyder does is keep the barrel in alignment. It really carries little load and I suspect the outboard nut on the spindle preloads the inner nut which adjusts the freeplay.</p></blockquote><p></p>
[QUOTE="SidecarFlip, post: 831880, member: 39764"] The 'split nut (s) belong to the unfortunate hunter who attempted to cross the fence and slipped halfway over.... OUCH. Somehow, you can't compare that Grizzled one to a Hardridge or any second operation lathe. Well, maybe the uninformed can.... That little machine reminds me of a glorified Harbor Freight copy... Back to the spyder...... Not much bore on that machine. Maybe a 17 HMR barrel perhapse? BTW Jinx, it's most likely Diametrical Pitch. Most imported machines use that thread. I think you are over engineering it. You have enough material proud of the thread (OD on spindle) to machine a tight slip fit collar with 3 opposing setscrews to secure it. The only thing an outboard spyder does is keep the barrel in alignment. It really carries little load and I suspect the outboard nut on the spindle preloads the inner nut which adjusts the freeplay. [/QUOTE]
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Back Spindle Spider
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