Bracket Talk
In reference to my dragster axle life span thread

This topic can be found at:
https://drr.infopop.cc/eve/forums/a/tpc/f/80760912/m/7167004286

December 02, 2018, 11:09 AM
Brad2386
In reference to my dragster axle life span thread
was that lock ring tacked on?


Brad
December 02, 2018, 11:16 AM
TD3550
I really think its a bad idea boring that axle that deep. Torsional load factor on a hollow tube to save a couple of Lbs and wreck you Sh***. Lessen the weight elsewhere.JMO
December 02, 2018, 11:21 AM
Big Steve
quote:
Originally posted by Brad2386:
was that lock ring tacked on?


You can see what looks like tack welds in the picture
December 02, 2018, 11:27 AM
Big Steve
quote:
Originally posted by Big Steve:
I would never guessed they would gun drill that far, you would think they would stop before the bearing



My question is if the ring was tack welded on, where is the bearing? No way the bearing would just slide off, should be pressed on
December 02, 2018, 11:27 AM
Brad2386
quote:
You can see what looks like tack welds in the picture

looked that way to me too


Brad
December 02, 2018, 11:32 AM
Big Steve
quote:
Originally posted by Brad2386:
quote:
You can see what looks like tack welds in the picture

looked that way to me too


But where is the bearing and ring?
December 02, 2018, 11:43 AM
Big Steve
In one of the original picture of the wheel coming off the car, the caliper is still attached to the housing, that means the bearing retainer/caliper bracket is still attached. In this picture it appears that the axle broke behind the bearing and there is no bearing or ring attached. That means the bearing and ring slipped off the axle which there in no way that should happen if they were pressed on. My bet is the inner bearing race was spinning on the axle and that's what caused this failure.
Would be nice to see a picture of the housing and see if the bearing is still in it. Maybe Bender knows, he was there
December 02, 2018, 11:46 AM
Cashflow
Glad no one was hurt.


Clowns to the left of me, Jokers to the right. Here I am.......
December 02, 2018, 12:23 PM
"The Bender"
Steve, when I looked at it, it was not appropriate to gawk. And I had to get back to my car to make a hit.


272" Spitzer
540 Chevy
The Blower Shop XR1
FTI XPM Series Converter
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3.69@199
.916 60'

2017 Bradenton Heads Up Madness
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2018 PDRA T/D #5
2019 PDRA T/D #2

2020 Retired From T/D Competition....

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2021 getting back into bracket racing with a Gen3 Hemi powered 87 Cutlass.
December 02, 2018, 01:30 PM
Brad2386
I have seen bearings move from side load,thats the reason you tack them,maybe axel slid out,then axel broke at tacks which made dings in axel?


Brad
December 02, 2018, 01:54 PM
Eman
quote:
Originally posted by Curly1:
I am still not understanding why full floater is stronger. Looks like from here the brake caliper and wheel still bolt on to flange same as a flange type axle?
All of the torque from acceleration and stopping still goes through the flange of the axle correct?

On a floater the only load on the axle is the torque from acc and stopping. Everything else is supported by the bearings which ride on the axle tube. the bearings would be in a hub which the rotor would attach to. you can remove the axle and the car still rolls around, no wheels or hubs fall off.
December 02, 2018, 02:49 PM
imakehp
If you look closely at the fresh break you can see 3 evenly spaced spots that look like heat penetration of a weld right at the break....jmho


.
Dave



F J B

December 02, 2018, 03:11 PM
Wooley
Treed by Eman. On a floater the axle does not support the weight of the car. Axle can break and wheel, rotor, etc can stay on car. For an example look at the rear brakes/ wheel on most 1ton dually trucks.
December 02, 2018, 04:22 PM
k107
If you look up Strange Engineering A1032D you can read what they say about lock ring installation. Cold press only. . Maybe someone can paste it here for all to see. From Strange website, " Tack-welding can alter the axles heat treating and cause cracking" I remember reading this at least 15 years ago so its not new info.

This message has been edited. Last edited by: k107,
December 02, 2018, 04:48 PM
67TSCHEVY2
I watched a video from the rear of the car leaving the line and there was a lot of torsional twist of the chassis being planted on the right rear side to me but of course there is a ton of torque when running that fast . I would have never thought it was gun drilled thru to the bearing either . Curly there is no flange on the axle on a floater . The flange is mounted on the axle housing supported by bearings and the axle shaft drives the flange , two separate pieces . There is a lot of wrong going on here with the bearing and retainer missing .....

This message has been edited. Last edited by: 67TSCHEVY2,
December 02, 2018, 05:27 PM
Paul S/Q
quote:
Originally posted by "The Bender":
Mike, I'm in the exact same boat as you.

Except of course quicker 60's....... LOL


I was digging' our .940's 60's this summer , starting to rethink that now ... Eek
December 02, 2018, 05:35 PM
Big Steve
quote:
Originally posted by k107:
If you look up Strange Engineering A1032D you can read what they say about lock ring installation. Cold press only. . Maybe someone can paste it here for all to see. From Strange website, " Tack-welding can alter the axles heat treating and cause cracking" I remember reading this at least 15 years ago so its not new info.


Just weird because I got my rolling chassis brand new with Strange axles and the lock rings are tacked. I can only assume they came from strange that way.

Either way my current axles are gun drilled all the way thru and rings tack welded. Thats 2 strikes against them and there not going back in after seeing this

I am going to order MW high torque axles made from 300M aerospace material. I am going to request that they are not gun drilled, this will give me the strongest possible axle without going to a floater rear end.
December 02, 2018, 05:43 PM
rusty
the tacks create a stress riser,when the torsional twist happen all of the stress accumulate at the weld tack


honesty is the best policy,insanity is a better deffense
1.036, 6.16@ 224

December 02, 2018, 09:57 PM
Eman
quote:
Originally posted by k107:
If you look up Strange Engineering A1032D you can read what they say about lock ring installation. Cold press only. . Maybe someone can paste it here for all to see. From Strange website, " Tack-welding can alter the axles heat treating and cause cracking" I remember reading this at least 15 years ago so its not new info.

https://www.strangeengineering...a1093-elim-kit.html/
Here's the link to the Strange page
December 02, 2018, 10:27 PM
markemark
quote:
Originally posted by Big Steve:
Just weird because I got my rolling chassis brand new with Strange axles and the lock rings are tacked. I can only assume they came from strange that way.

Either way my current axles are gun drilled all the way thru and rings tack welded. Thats 2 strikes against them and there not going back in after seeing this

I am going to order MW high torque axles made from 300M aerospace material. I am going to request that they are not gun drilled, this will give me the strongest possible axle without going to a floater rear end.


Isn’t there something about MW splines being different than Strange? Maybe need a different spool?