01 Jan 2011 17:02
In this entry I'll go over the steps to building a hockey puck hub. I'll also include a couple of other ways you can build a hub.
What You'll Need to Build Your Hub
For the hub that I'm showing here you'll need 5 things:
1) Hockey Puck (preferably one that is rubber, not those hard plastic orange ones)
2) An eye bolt (diameter of the threaded shaft should be 1/2" or bigger)
3) A nut for the eye bolt
4) A drill
5) A drill bit that is the same size or slightly smaller that the eye bolt
If you don't need to buy a drill or a drill bit, you're looking at less than 5 dollars in materials.
You can get fancier with it but for now we'll stick with the bare minimum.
Below is a picture of the materials used for making the hub:
Construction is very simple.
1) Measure (or eyeball) the centre of the hockey puck and drill a hole all the way through.
2) Push the eye bolt through the hole (you may even have to turn it to go in, which is a good thing because you want a tight fit).
3) Thread the nut onto the end of the eye bolt. You don't have to tight it with a wrench or anything, just turn it until the thread of the bolt are just sticking out past the nut.
When all is said and done you should have something that looks like this:
Using the Hub
Obviously this is meant for pinching grip development but one thing is missing (or it is assumed that you already have it), how do you attach weight to it?
There are two ways basically. You can use a loading pin if you have one or you can use chain. If you opt for the chain it is fairly easy. Attach a shackle or carabiner to the eye of the eye bolt and connect the two ends of the chain. Now you have a loop of chain connected to the carabiner/shackle. Whenever you want to add weight you simply remove an end of chain, place it through a hole in the weight, and reattach it. The shackle or carabiner is always looped around the eye bolt and it stays out of the way of the attached weight.
There are two main drawbacks to this hub; The side of the puck is slightly textured which gives you a bit of added help, and the bottom of the puck is exposed. While the second one may not seem like a big deal, having the bottom exposed like that allows for your fingers to get underneath it. Whether it is intentional or a consequence of squeezing the hub, it can provide a false sense of grip strength.
BUT, there are a couple of ways to get around these problems.
An easy but more expensive method is to use steel pipe (~6" long and roughly the same diameter as a hockey puck, somewhere around 2-1/2" to 3") for the hub rather than the hockey puck. In this instance, rather than drilling a hole vertically you can drill one horizontally, about an inch from the bottom, through the walls of the pipe and place a nut and bolt through the pipe. This serves the same purpose as the eye bolt. From here you attach your shackle to the bolt at the bottom of the pipe and use a loading pin or chain the same as before.
A very thrifty way to eliminate the hockey puck texture is to simply wrap a layer of cheap electrical tape or duct tape around it. It actually greases it up fairly well depending on the tape.
Covering up the bottom of the hub is pretty easy too. All you need is something that is wider than the diameter of the hub and another nut. Say your hockey puck is 3" (which it pretty much is), you can cut a round piece of steel or thin plywood, drill a hole in the centre of it and when you assemble the hub the construction steps change slightly to this:
1) Thread one of the nuts on the eye bolt
2) Place the larger diameter wood/steel on the eye bolt
3) Thread the hockey puck on
4) Fasten the second nut
Basically what you end up with is a sandwich: Nut, Steel/Plywood, Hockey Puck, Nut. If you use a steel pipe is become a bit trickier because you have to make a ring that goes around the pipe and either weld or epoxy (or some other adhesive) the ring to the pipe.
To Sum It All Up
The hockey puck hub is pretty easy to make. The one shown here takes 10 minutes and that includes a coffee break! The cost is very minimal, if you buy chain too it will probably run you about 10 dollars which is not very much at all. You can skimp and go with smaller hardware but I like to go overboard, plus I found the eye bolt lying around the shop. I hope you enjoy your new hockey puck lifting hub!
This page created 01 Jan 2011 17:02
Last updated 21 Jul 2016 00:08