The urethane spider is a must better product. I went with the cheapest at the time and had no problems with them. I never found any clearance problems with the shorter LoveJoy couplers. If fact, when I was playing with Shopsmith tube lengths shorter than the MINI (25 5/8"), these couplers allowed me to have some really short length Shopsmith power stations for the SPTs. Amazing how compact you can make the Shopsmith that can still function as a Power Station.triumph_tech wrote:Bill, I love the idea of the Lovejoy couplings! Is there a reason you picked the buna-n spyder versus the urethane? Do you ever run into a clearance problem with the overall length being shorter than the original SS coupler?
Connector repair
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Bill Mayo bill.mayo@verizon.net
Shopsmith owner since 73. Sell, repair and rebuild Shopsmith, Total Shop & Wood Master headstocks, SPTs, attachments, accessories and parts. US Navy 1955-1975 (FTCS/E-8)
Shopsmith owner since 73. Sell, repair and rebuild Shopsmith, Total Shop & Wood Master headstocks, SPTs, attachments, accessories and parts. US Navy 1955-1975 (FTCS/E-8)
NO, however properly aligned shafts are still needed for insuring a coupler's longer life. Shopsmith has used different materials for their couplers over the years. I only found that the clearer looking plastic couplers seems to deteriorate with age and could break easier if the shafts were not aligned properly. The solid white couplers seems to hold up really well for me over time.JPG40504 wrote:Geez! Does this mean mine will break in a couple of months?:(:eek::D
Some would say you have made the sacrificial lamb invincible. Not sure I agree with that! However Beeg has a point! I do not think age alone is responsible for failure. These old 'Zytel' couplers are very tough! Much better than the current version that reminds me of stuff other than 'nylon'.
Bill Mayo bill.mayo@verizon.net
Shopsmith owner since 73. Sell, repair and rebuild Shopsmith, Total Shop & Wood Master headstocks, SPTs, attachments, accessories and parts. US Navy 1955-1975 (FTCS/E-8)
Shopsmith owner since 73. Sell, repair and rebuild Shopsmith, Total Shop & Wood Master headstocks, SPTs, attachments, accessories and parts. US Navy 1955-1975 (FTCS/E-8)
- JPG
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My mileage varies from yours, but my experience is far less. Ibillmayo wrote:NO, however properly aligned shafts are still needed for insuring a coupler's longer life. Shopsmith has used different materials for their couplers over the years. I only found that the clearer looking plastic couplers seems to deteriorate with age and could break easier if the shafts were not aligned properly. The solid white couplers seems to hold up really well for me over time.
still use my original from 1963. I have 'broken' two of the later white ones.
Do not let them 'rub' against anything while rotating.
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Goldie(Bought New SN 377425)/4" jointer/6" beltsander/12" planer/stripsander/bandsaw/powerstation /Scroll saw/Jig saw /Craftsman 10" ras/Craftsman 6" thicknessplaner/ Dayton10"tablesaw(restoredfromneighborstrashpile)/ Mark VII restoration in 'progress'/ 10E[/size](SN E3779) restoration in progress, a 510 on the back burner and a growing pile of items to be eventually returned to useful life. - aka Red Grange
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Goldie(Bought New SN 377425)/4" jointer/6" beltsander/12" planer/stripsander/bandsaw/powerstation /Scroll saw/Jig saw /Craftsman 10" ras/Craftsman 6" thicknessplaner/ Dayton10"tablesaw(restoredfromneighborstrashpile)/ Mark VII restoration in 'progress'/ 10E[/size](SN E3779) restoration in progress, a 510 on the back burner and a growing pile of items to be eventually returned to useful life. - aka Red Grange