Very nice, love your cad modelling !
I would suggest making another design for the arm that link the wheel to thee board, with another part going more upright to make it sturdier
Like a very flat y (it’s hard to describe with word 
)
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Not sure exactly what you mean, as for strength a lot of the strength comes from the bolts+spacers that are not in the model yet.
I’m trying the design all the parts using the same 1/4" material, and single side CNC operation. This limits the parts that I can design, so lots of ideas is very helpful!!!
This is the best I can do quickly
It won’t cause problems to manufacture, I fear it will bend if you don’t reinforce it like this
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Ah I was guessing you might not realize it it supposed to have suspension!
I just started messing around with springs in CAD…
Tempted to use something like this:
https://www.aliexpress.com/item/4000056955069.html
https://www.aliexpress.com/item/4000218323821.html
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I can get you all of the fasteners for $5 total + shipping. Happy to do it, I have one of thee I just got in and can see that it will need work soon.
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Lol I was going to ask you for help on where to buy that stuff. The shoulder bolts were tough to find, china only makes 8mm ones in 100mm and I needed 110mm at least.
If you can find me 120mm long ones I could fit 6374 
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I will check with supply next week when I get back to work, Im pretty sure i can come up with some options.
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Interested in that stress testing… Hope they share it.
Yes i would like an extra deck for my wall.
for my wall yes.
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Haha I actually just found someone with the same idea!
Center electric caster on a freeboard
Leiftech/summerboard version too:
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Oh it asked him and it is a custom slip ring and not taken from a leiftech
Looks very nice ? You sure you wanna go with the spring ?
If yes you should count more than 105mm unloaded for it to be close to freebord’s dimensions once on it
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Hopefully you can see what I’m thinking here with the bolt holes. The spring loops have an ID of .5" so they will fit nicely in the spacers on the bolts.
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In my endless quest to fit larger motors and make the original motors looks silly.
Full on 6374
waiting on an answer from @mmaner about shoulder bolts, if he knows of 8mm ones longer than 110mm preferably not in far away lands. I also was thinking about whether shoulder screws are necessary and if I could get away with normal unthreaded bolt. Really just don’t know how important it is.
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I am having a difficult time sourcing them. Ive checked all of my go to vendors and didnt find anything reasonable. I am waiting to hear back from the buying agent at work. It may take a few days, unfortunately.
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lol no worries about getting this project moving anytime too soon. Would love to just start 3D printing scale models, but my buddys printer sucks and is broken.
Luckily he just started talking about getting a new one so that is exciting.
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I just hit him up again, hopefully he finds something. The only thing Ive found is from McMaster-Carr and they are pricey AF.
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Oh yeah, as long as the bearings are good. Some 10mm bearings are actually 9.75mm ID, so watch out for that situation.
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