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Kirkham Motorsports

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  #1 (permalink)  
Old 12-10-2020, 04:40 PM
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I don't know about yours being bigger than mine, but it is in better shape. The next time we get together I need to drop off my old hammer for re-casting and get yours back to you.
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Old 12-10-2020, 09:20 AM
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I don't believe any replica manufacturer or wheel manufacturer offers a spinner lock. Kirkham offers a very nice pin lock to retain the center "hub caps" but I would not consider it a spinner lock. That said it should initially prevent the spinner from completely escaping however, because of its small diameter, after the spinner loosens, a couple of right or left turns I suspect, might shear it off.

Best solution so far has always come down to the safety wire and pliers ...


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Old 12-10-2020, 03:25 PM
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So, this is how I have my safety wire.


These are the tools I used for the test.


My first step was finding out how much torque it takes to remove the spinner. But, my torque wrench only goes to 150 ft/lbs, and it takes more than that.

Next, I used the lead hammer and loosened spinner to finger tight. Then added safety wire that had no slack in it. My goal was to find out how much torque the safety wire can hold.

I'm using .031" SS aircraft safety wire. It will break right at 35 ft/lbs. Tried it three times, had the same result each time. As Ed mentioned above, the wire broke at the same place every time; right where the wire was bent back.

So, what did I learn from this? Only that the safety wire will break at 35 ft/lbs. And, that I need to get a bigger torque wrench.
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Old 12-10-2020, 06:53 PM
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I do not use safety wire on my knock-offs.
I apply a paint dot to the spinner that lines up to the wheels valve stem, if the paint dot moves in relationship to the valve stem I know I have an issue.
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Old 12-11-2020, 08:53 AM
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I do not use safety wire on my knock-offs.
I apply a paint dot to the spinner that lines up to the wheels valve stem, if the paint dot moves in relationship to the valve stem I know I have an issue.
you won't see it while driving...
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Old 12-10-2020, 07:08 PM
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RUFdriver,

Yes, Porsche does offer a very efficient locking system. I worked for Porsche for a number of years, at the race track and on production cars and super cars like the Carrera GT.
The center lock wheel nut has a number of teeth that lock into center lock nut via a ratcheting mechanism inside the spindle. When the wheel center lock nut is torqued to specification with a torque multiplier adapter the center lock nut and the locking device does not need to engage, if the center lock nut starts backing off the locking device will snap into the closest tooth on the center lock nut to keep it from loosening further.
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Old 12-11-2020, 08:28 AM
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Not getting any love here, Patrick ...


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Old 12-11-2020, 08:48 AM
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Not getting any love here, Patrick ...


Ed
I'm told the new "touchless tire changers" change your tires with the rims still attached to the hubs. So I'm good to go.
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Old 12-11-2020, 10:02 AM
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Not getting any love here, Patrick ...


Ed
If we didn't like Patrick, we wouldn't give him any grief..
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Old 12-11-2020, 10:06 AM
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I know, I was just teasing and baiting him trying to increase his participation in the thread but he either hasn't seen the post yet or hasn't taken the bait.


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Old 12-11-2020, 10:18 AM
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I know, I was just teasing and baiting him trying to increase his participation in the thread but he either hasn't seen the post yet or hasn't taken the bait.


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Patrick is no longer reading this thread.
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Old 12-11-2020, 11:28 AM
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A-ha! I thought you might be out there observing from a safe distance ...


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Old 12-13-2020, 01:47 PM
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Jeff, it looks like for the first time in 15 years, you and I disagree on something. Safety wire will hold the spinner from coming unwound provided the wire pulls in a positive direction and the pigtail is sufficiently long to keep it from coming undone. I've hung miles of safety wire on 100s of jet engines over the past and I've seen the results of bad wire jobs. You have to leave sufficient wire on the bitter end to make a loop and cut the wire. If you cut the pigtail too short it will come undone. If you cut it too long, you create a catch that WILL find someone or something it cut, slice, or poke. Hell, if I had a nickle for every foot of safety wire I've hung, I could pay for my new Tremec Tranny, which works really nice by the way..It is always safer to use a pin through the hub to prevent the knock off from coming unwound.
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