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« Last post by dsrace on January 08, 2019, 08:46:24 PM »
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« Last post by dsrace on January 08, 2019, 11:01:57 AM »
so larry short of short sand cars used to have a custom shaft made that was a 1.25" od, 10 splined but missing 1 spline. this was because he used a 4 link rear end with u joints and he used the u joints off the late 60's 2wd chevy's with 2 pice drive shafts. they had a dead spline to line them up. when i started building way back i bought the shafts from larry's supplier, zimmerman machine in utah. the shafts were 4130 hardened and no one ever broke those. now the custom stub axles he used that were quadzilla size shafts to run quadzilla hubs, were through hardened and he ran 12" dia wheels. those shaft were 1045 like most production car axles , then hardened. his stubs were 50/50 if they lasted lol
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« Last post by dsrace on January 08, 2019, 10:56:32 AM »
i see on g&g's site that the splined shafting is offered in 1045, 1144 and 4140. if protodie were smart , then they ordered all 4140. i bet there ordering it in 1045 as thats rated for high tq on ag equipment. the part people fail to understand when looking at ag tq #'s is thats all lower rpm. to put this in perspective for those that have never driven a tractor......1500 rpm on a pto is pretty high rpm on the crank of an older diesel tractor.
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« Last post by Carlriddle on January 08, 2019, 02:55:30 AM »
Mine is g&g 21 fully splined. Or it was before I sold the that spool. I bought from Jody at protodie he had it heat treated. Seems like about $50? It looked new when I pulled out of car. Car was 1125 but was back when was a 3 seater. I shaved some weight when I carved it but prob still close after turbo stuff. Rpm box about same weight as spool.
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« Last post by fabr on January 07, 2019, 06:25:57 PM »
No sir, no lip. I do check them before every trip though.
That shaft is a G&G 21 spline shaft. Model# 112A2221. There is no spec on material type. I may have to contact G&G to get that info so see if I can even heat treat it.
Justin
Yup.That's the first thing.
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« Last post by Yummi on January 07, 2019, 11:02:30 AM »
Hi Danaity,
Tell us a bit about yourself?
Any cool projects on tap? Prior experience?
Do you have the winning lotto numbers?
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« Last post by deranged on January 07, 2019, 10:13:38 AM »
No sir, no lip. I do check them before every trip though.
That shaft is a G&G 21 spline shaft. Model# 112A2221. There is no spec on material type. I may have to contact G&G to get that info so see if I can even heat treat it.
Justin
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« Last post by dsrace on January 07, 2019, 07:47:08 AM »
deranged, is there no lip on that drive flange to capture the cv if the bolts were to loosen up?
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« Last post by dsrace on January 07, 2019, 07:46:24 AM »
I used a similar rear spool design with the G&G spline shaft. I twisted the first shaft and had to upgrade to a heat treated one. Running a zx12. Id check to see if HT was done, Rick doesnt say on his site. Small price for the added durability.
Upgrade looks great, looking like 10-12" added to length??
i remember when you twisted that shaft. not a little twist and i remember looking at that shaft and noticing it was the same shape and spline of an ag shaft i have seen many times on several pto's! you were n/a then and i bet you rail weighs 1000 to 1100lbs.
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« Last post by fabr on January 07, 2019, 07:28:57 AM »
Not all steel is heat treatable. Do you know what it is made from? Not all steels HT the same way either. The 8620 I referred to will not through harden leaving a hardened surface and a ductile core. The 4340 is through hardenable. Either will work well (and some others)but the composition needs known for the treater to be able to properly HT the item.
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