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Author Topic: keep breaking carrier / spool center saft pics included.  (Read 3993 times)

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Online fabr

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Re: keep breaking carrier / spool center saft pics included.
« Reply #15 on: May 30, 2012, 08:21:30 PM »
That's the best thing to do. I don't see why he thinks it needs to be a larger shaft tho. Anyway since ha has spline tooling already the 400 bux for a 4340 part ,IMO,is quite reasonable.
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Online fabr

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Re: keep breaking carrier / spool center saft pics included.
« Reply #16 on: May 30, 2012, 08:35:07 PM »
FWIW,I'd shy away from a larger diameter shaft. The larger ID bearing will have a lower load capacity most likely. The shaft didn't fail in the bearing area. The spline failed. The 4340,properly heat treated, should cure that.I'd keep the shaft as is dimensionally. No need to lose any bearing capacity. The spline area failed torsionally so there was bending involved in the failure,therefore no call for larger diameter. Matter of fact the larger diameter shaft will be torsionally stiffer,less "springy", and IMO aggravate the issue instead of improving it.  Just my 2 cents.
Logged
"There can be no divided allegiance here.  Any man who says he is an American,
but something else also, isn't an American at all.  We have room for but one
flag, the American flag... We have room for but one language here, and that is
the English language... and we have room for but one sole loyalty and that is a
loyalty to the American people."
Theodore Roosevelt 1907

-----------------------------------------------------------
 " You have all the right in the world to believe any damn thing you'd like, but you don't have the right to demand that I agree with your fantasy"
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