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Tethrd One Climbing Sticks

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Definitely sounds to me like Tethrd is trying to now claim the glue isn’t needed so they don’t have to replace under warranty after the 30 day window (ie before most will get any real use which is hunting season)


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mattsteg said:
The load is applied much differently with traditional sticks. There's much more of a moment arm creating a pulling and bending load. The roll pin is in much more of a shear configuration. I suspect that the pin itself is highly unlikely to break.

The pin coming out (it's unclear if that's a legitimate concern), or the pin damaging the tube, would be more likely. Or something causing the tubing to buckle.

The design itself seems relatively sound, but the inconsistent and misleading communication regarding the purpose of the pin and the reliability of the adhesive bonding are kinda showstoppers.

I've certainly had bolts come loose over time.
Click to expand...

Sure over time but not just out in an instant like a pin with nothing on either side to hold it will. A bolt first needs the nut to come off and then it can still only go one way to come out. Much better warning time with bolt over pin


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mattsteg said:
Because they wanted to use TITANIUM. Also probably cheaper to glue.
Click to expand...
weldingheadquarters.com

How to Weld Titanium - Welding Headquarters

Titanium is a highly reactive metal, which is why, in the past, people only welded it in tightly sealed chambers. However, titanium is not as hard to weld as people think. With proper gas shielding and preventative measures, you can easily undertake the job. In this article, we will tell…
weldingheadquarters.com weldingheadquarters.com
.


So apparently they can be welded, so what is your point about using titanium. If they wanted to go cheaper, maybe stick with aluminum?
 
raisins said:
Honestly, if I were stuck with these sticks, I would remove the roll pin and step. I would clean and prep everything and buy my own glue (researching what type is best) and then I would install with that 2 part expoxy (or whatever) and I would drill out the step/tube to accommodate the smallest grade 8 bolt (probably yellow zinc) that I could find. I'd then feel comfortable on it.
Click to expand...

I agree with your thinking. If I had these and the glue popped, I wouldn’t be comfortable with just a roll pin. I would probably replace the pin with a grade 8 bolt whether glue popped or not.

I’ll stick with the mini beast sticks.


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huntin_addict said:
weldingheadquarters.com

How to Weld Titanium - Welding Headquarters

Titanium is a highly reactive metal, which is why, in the past, people only welded it in tightly sealed chambers. However, titanium is not as hard to weld as people think. With proper gas shielding and preventative measures, you can easily undertake the job. In this article, we will tell…
weldingheadquarters.com weldingheadquarters.com
.


So apparently they can be welded, so what is your point about using titanium. If they wanted to go cheaper, maybe stick with aluminum?
Click to expand...
The steps are aluminum. Welding titanium to aluminum is possible, but damn that's adding a lot of complexity and not necessarily reliability.

This things are made to be light and cheap to produce. They probably have a whole warehouse full of them.
 
At the very least if you guys are gonna keep these sticks you should get some wire and wire tie the roll pins in. This is done in lots of applications where you don't want the pin moving. Roll pins are not meant to be installed where there is movement.
 
Twenty Up said:
Thought the steps were chemically bonded with glue and the roll pins were to help hold the steps in place? Is Tethrd doubling back on their claims or are these rumors?
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It seems with all the glue / chemical weld issues now the reliability is on the roll pin. When the sticks were first introduced it was all about the glue.
 
Skyler1987 said:
It seems with all the glue / chemical weld issues now the reliability is on the roll pin. When the sticks were first introduced it was all about the glue.
Click to expand...
It still is "all about the glue".
tethrdnation (presumably Greg) said:
Our proprietary chemical bonding process combined with technology borrowed from the farm equipment and automotive industries allowed us to maximize strength without sacrificing weight.
Click to expand...
 
What a joke... for anyone who’s followed along to this saga of stupidity it’s pretty easy to see the string of bu!!$h:+. In the beginning it was “the roll pins are only for alignment during assembly” now its “the roll pins are structural” and let’s not forget about the now “sacrificial” alignment pins. Guess I’m not surprised the glue is “sacrificial” lol!


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I LOVE THEM...
Mopar1169 said:
A lot of roll pins in transmissions, axles and rotating equipment are wire tied in so they don't drop out and go through gear sets. Makes a mess when they do.
Click to expand...
what do you guys think about running a aluminum rivet through the pin hole?
 
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