Ron,
When driving forward the wheels are rotating in the 'undo' direction.
If the splines are gone, the wheel will continue to rotate with the
knock-off when the brakes are applied. That would explain the left
front wheel.
In the case of the rear wheels, the torque from accelerating will
tighten the knock-off.
Cheers,
Bob Haskell
AHCA 3000 Mk I registrar
http://www.ciahc.org/registry_3000mk1.php
On 11/07/2015 11:29 AM, Ron Mitchell wrote:
> Figure this one? I have had two Spline failures.
>
> 1. Right rear wheel spline got wiped out and I heard a very loud
> grinding sound when I applied the brakes. I was able to drive home. It
> was almost impossible to get the Knock Off Nut off. I was eventually
> successful using a 20 LB sledge hammer.
>
> 2. Left front hub spline got wiped out when I applied the brakes coming
> up to a stop light. I heard the same grinding sound. I knew that the
> spine was gone after the rear wheel incident. I slowly drove into a
> parking lot. The Knock Off Nut was loose. I called a fellow club member
> for assistance. He brought me a floor jack and with the wheel off the
> ground we tightened the Knock Off Nut as tight as it would go. I then
> proceeded to slowly follow him home using the hand brake to stop.
> Unfortunately when coming up to the next traffic light a guy cut me
> off and I made the mistake of hitting the brake pedal. Again the
> grinding sound and then the wheel came off, continued down the road into
> the side of a pick up truck. Fortunately I was going slow enough that I
> didn't damage anything. The car just dropped down on the Brake Rotor.
> I retrieved the wheel and was able to get the car off the ground so as
> to put the wheel back on and proceeded to my friends garage where I left
> it until I could get it home and replace the Hub. I have since replaced
> all Hubs, Knock off and Wheels.
>
> Question why did the left front loosen and come off while the right rear
> tightened to a point that I was ready to torch the wheel off?
>
> Ron Mitchell
>
>
>
>
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