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Appleseed
Appleseed UltimaDork
1/10/14 11:54 p.m.

In reply to wlkelley3:

Just don't tell him about the "Jesus" nut.

Kenny_McCormic
Kenny_McCormic UltraDork
1/11/14 9:12 a.m.

In reply to Appleseed:

What really hold the wheels on your car(the three or four socket head cap screws holding the hub assembly on), is another good one.

codrus
codrus GRM+ Memberand HalfDork
1/11/14 11:26 a.m.
Kenny_McCormic wrote: You also could safety wire them.

I agree. If I didn't trust nylock nuts in this case (and I'm not sure why -- AFAIK the only major failing they have is that the nylon melts at a relatively low temperature, and these aren't on an exhaust manifold or anything), then I'd go all the way to safety wire.

Knurled
Knurled GRM+ Memberand PowerDork
1/11/14 2:20 p.m.
Kenny_McCormic wrote: In reply to Appleseed: What really hold the wheels on your car(the three or four socket head cap screws holding the hub assembly on), is another good one.

That and the massive interference fit caused by corrosion that can require destruction of the upright to remove the hub assembly.

How about the teeny tiny little ball joint on the bottom? They usually neck down to 16mm or smaller.. and this is loaded in bending, not tension.

novaderrik
novaderrik PowerDork
1/11/14 5:55 p.m.
Kenny_McCormic wrote: In reply to Appleseed: What really hold the wheels on your car(the three or four socket head cap screws holding the hub assembly on), is another good one.

some cars don't even have that- it's all an interference press fit that holds it all together.. but that's true even on cars with a bolted in hub/bearing assembly- they still have that interference fit in the middle...

Knurled
Knurled GRM+ Memberand PowerDork
1/11/14 6:26 p.m.

I trust that interference fit a little more than I trust a C-clip axle, especially one on a drum brake car.

Of course, the typical point of failure is not the little bit on the end of the axle breaking off at the nice stress riser there, but twisting forces breaking the axle in the middle or at the root of the splines where they go into the diff. So what looks sketchy is often not the thing you really need to worry about.

Like, control arms that are attached to the car with 10mm bolts that go through a couple chunks of 16-gauge sheetmetal.

wlkelley3
wlkelley3 SuperDork
1/11/14 8:12 p.m.

In reply to Appleseed:
5500 foot-pounds of torque and locked with a tang washer which is held in place with a clip on our CH-47 Chinooks.
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914Driver
914Driver MegaDork
1/12/14 9:06 a.m.

I have a video of an M-777 dropping off a copter from 100 ft. When authorized, you'll be the first to see it. It dove in muzzle first, drove itself 4 ft. into the desert.

iceracer
iceracer UberDork
1/12/14 11:32 a.m.

Did a lock washer fail ?

wlkelley3
wlkelley3 SuperDork
1/12/14 7:19 p.m.

Nah, most likely someone's finger on the button.

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