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Ask DocSk8 (Expert Indoor Skate Building Advice) This forum is different then the other SkateLog forums in that it is not a discussion forum, but rather a place you can ask skate building expert Fred "DocSk8" Benjamin about building and repairing indoor speed, derby, and jamskate quad roller skates. Please start a new thread for each new question.

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Old April 12th, 2014, 07:46 AM   #1
Kelsen
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Default Kingpin question.

My skates work fine, Doc. Thanks for the info and advice.

In putting these together, I am struck by the fact that I do not have any idea how much of the kingpin to turn in to the Advantage plate. One answer I can imagine is, 'enough so that when you get the trucks tightened down the way you want, there isn't any kingpin sticking out of the adjusting nut'. But I wonder if there is a minimum number of turns, or threads, or length of kingpin, that should be turned in to the plate, to ensure that it doesn't snap from the stress involved in my 260 lbs. pushing around the floor on 'em.

I do tend to overthink things; anyway, I hope my question makes some sense.


RFT!!!
Dave Kelsen
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Old April 12th, 2014, 06:50 PM   #2
Doc Sk8
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Quote:
Originally Posted by Kelsen View Post
My skates work fine, Doc. Thanks for the info and advice.

Glad it worked out for ya.

In putting these together, I am struck by the fact that I do not have any idea how much of the kingpin to turn in to the Advantage plate. One answer I can imagine is, 'enough so that when you get the trucks tightened down the way you want, there isn't any kingpin sticking out of the adjusting nut'.

May be tough if you are not using the OG Advantage king pin. I have to finish tapping the king pin holes in the plate to use the longer Snyder king pins.

But I wonder if there is a minimum number of turns, or threads, or length of kingpin, that should be turned in to the plate, to ensure that it doesn't snap from the stress involved in my 260 lbs. pushing around the floor on 'em.

My Machinery's Handbook recommends no less than a number of threads equal to the diameter of the bolt. The plate end of the king pin is 16 threads per inch. So, how many 16ths = 3/8 inch?? Calculator says 6 .


I do tend to overthink things; anyway, I hope my question makes some sense.

RFT!!!
Dave Kelsen
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"What a wonderful life I've had! I only wish I'd realized it sooner." -- Anonymous
Perfectly legit question. Fortunately there is a standard answer for it ..
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