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Catalyst Outdoors GWB Sticks

theAdmiral said:
No worries here, I’m 160 pounds. Been using the 1/16th tubing for 3 years without any bending of the stick or enlongation of mounting holes. I believe they are using 3/4 inch 1/8th tubing.
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theAdmiral said:
No worries here, I’m 160 pounds. Been using the 1/16th tubing for 3 years without any bending of the stick or enlongation of mounting holes. I believe they are using 3/4 inch 1/8th tubing.
Click to expand...

Where do you find 3/4” square tube in 6061? All I can find is 6063


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Yep. I think they are using 3/4 inch 1/8th wall tubing. Seems like that weight could be possible or pretty dang close.
 
skyjacker said:
Yep. I think they are using 3/4 inch 1/8th wall tubing. Seems like that weight could be possible or pretty dang close.
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If they are using 3/4" square 1/8" wall 6061, I sure would like to know where they got it. I can't find it. 6063 is all I can find. From their video its like they just stopped into their metal supplier and picked it up.
 
enkriss said:
I have been in the aerospace industry since 2006 I used ProEngineer structural/thermal analysis as well as solid works extensively. I am very familiar with modeling software. That doesn’t mean that is where your testing ends. Far from... once you fix the issues in the model you export the CNC code and build a prototype. That is where ASTM and other standards testing gets vetted.
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I help design and develop desktop engineering software similar to ProE (Altair HyperMesh, Inspire) and I know that there’s only so much the software can tell you. Obviously most things are designed with FoS many times over what would be considered normal but that doesn’t mean they never fail. Plus the software only anticipates the stresses and fatigues you tell it to anticipate...


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onestringer said:
Where do you find 3/4” square tube in 6061? All I can find is 6063


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Click to expand...
onestringer said:
If they are using 3/4" square 1/8" wall 6061, I sure would like to know where they got it. I can't find it. 6063 is all I can find. From their video its like they just stopped into their metal supplier and picked it up.
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store.buymetal.com

Aluminum Square Tube 6061-T6511 0.75" (A) x 0.125" (t)

Aluminum Square Tube 6061-T6511 0.75" (A) x 0.125" (t)
store.buymetal.com store.buymetal.com
 
So at 24" x 3/4" x .125" of 6061 .372 lbs/ft = .744 ozs that means their stand offs, double steps, knows and hardware weight a claimed 10 ozs. They aren't pulling the wool over my eyes. I saw where they have a picture of the stick on scale that has a calibration sticker on it that is valid but that isn't right. There's no way. But on another note, in the pics here I can't tell if they were trying to use the carbon fiber instead of 6061 for the post.
e321e83de6b8eeb23d4d500e40b5dd93.jpg


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benjamin.simon.165 said:
So at 24" x 3/4" x .125" of 6061 .372 lbs/ft = .744 ozs that means their stand offs, double steps, knows and hardware weight a claimed 10 ozs. They aren't pulling the wool over my eyes. I saw where they have a picture of the stick on scale that has a calibration sticker on it that is valid but that isn't right. There's no way. But on another note, in the pics here I can't tell if they were trying to use the carbon fiber instead of 6061 for the post.
e321e83de6b8eeb23d4d500e40b5dd93.jpg


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Click to expand...

.372 lbs is about 6oz. So ~12oz just in tubing.

also those sticks were scrapped. These are the latest...

ADA0DA21-1D1B-48BA-A69E-D9B5925E2A10.png
 
I would challenge a manufacturer to use strain gages during loading. That's how you can maximize your capacity without testing to yield/failure. Maybe they do this?
 
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