Making and Testing a New Woodworking Joint

This video is a little different in that I didn't build a finished piece of furniture, but rather tested out a new joint to see if it would be a viable option for eventually building a piece of furniture. In the video we document coming up with the idea, testing out the best way to produce and clean up the finished joints, and then finally we strength test it to see if, and for what types of furniture it could work.

[MachineRight]

Isopropyl alcohol is your best friend for removing hot glue, it basically takes its adhesion away and I generally apply it with a q-tip but just make sure it’s soaked works like a charm!

[juancamore]

Very cool experiment, but I think a better test would be to apply a constant weight over a period of time and increasing little by little until reaching the point of failure. This will approximate real life conditions better than a sudden impact at the highest point of leverage.

[barriowoodworks]

You never know what to expect from a Four Eyes video. Not just from the woodworking aspect but from a production standpoint. Love, the reality tv style presentation. We never really see Chris doing his thing behind the scenes.

[hungnguyen]

Good experiment. Last break proves that although the beginning of the break was forced at the corner of the epoxy piece, it eventually ripped at the wood-epoxy joint. But it does seem like the epoxy is adequately strong for lighter applications.

[williamellis]

Great experiment, Chris. Try one with the inside rounded instead of sharp. That would lessen the stress riser at that point.
Bill

[Skimmer]

Trying something new, with the sort of candid audio? I don't hate it

[SpencleyDesignCo]

😂I almost peed my pants during the epoxy infomercial

[mmckeeha]

If Chris does this again, a standardized way of testing would be nice. Maybe put the leg in a vice and put a small platform on top. Them stack weights

[richs]

How about drilling some 1/16" holes in both pieces and using polished stainless rods to bridge the gap, then filling with epoxy. This "re-bar" would make the joint stronger and might look cool too.

[Gazman]

Long brass screws through the invisible joints wood look sexy, and more than likely make the joint much stronger. Installed before the pour for resin clarity.

[jbtallullah]

The Applebee's was funny, but the infomercial was straight fire. Loved the video.

[berndstrauss]

thanks for the video.

It is a nice idea.

Try next time to machine a angled domino from clear acrylic on your CNC

and then cast that part in Epoxy.
This might create a stronger joint

[ajc-thei]

I thought of two things you might try to increase the joint strength:

1) use a key bit to go down, then create a channel the epoxy will flow in so that it is inside the wood acting similar to my second recommendation, but with only the corner showing; or
2) Use a dovetail joint, so that the epoxy is not just on the corner, but within a channel in the wood also.

It seemed the epoxy broke right at the connection to the wood itself. So making it inside a channel could greatly strengthen the joint, thereby allowing for a sturdier product while also giving the look being pursued here.

[martinrandez]

Love your channel Chris! Your take on shooting and editing together those segments are very compelling. It's unique and quite refreshing. And so is your personality, your humor. Love it :)

[MTJESQinMN]

Try spraying your mold with poly vinyl alcohol. You won't need to use a chisel to separate the part from the mold.

[reframeyourbody]

Supper cool look and idea! Just though you could screw the legs to a table top and test them in a more realistic scenario... Standing, or dancing on the table... Then as the first breaks you replace it with a vertical leg until the last standing...

[Ethan-qepe]

The heat master joke was straight halarious lmao.

[stophnerf]

IIRC, fibreglass and epoxy have the same refractive index as each other, so you added a handful of fibreglass strips in the void before pouring the epoxy, they should theoretically disappear in the resin, but add a grain for added strength. Probably wouldn't improve the wood to epoxy bond. Don't quote me on it, I am not an epoxy surgeon.

[Odium]

Breaking stuff for s living sometimes. For the next time what you could do is clamp part of the leg, not including the joint part, and then using a string and someway to fasten weights, continue loading the other part of the leg with increasing weights. Then you know which mass was required to break the joint.

[taylorlibby]

Cool. I love empirical evidence and the process of testing in and of itself is fascinating to me. Thanks.