[quote=samc99us][quote=charlescarlis]BTW - just found out that a properly sourced axel (2" x .125" wall, 6061 T-6 aluminum Tube/not "pipe" - 120" long) costs about $85, best price I could find. That's about wholesale. Add $80 for a set of tires delivered, then you have to find rims and bearings you're in it for about $300 I think. Might as well pick up a used set; they end up for sale everywhere and they're done.
HOWEVER - I also don't want to discourage innovative thinking, inventing and trying to build a mouse trap cheaper. I'm all about that, so give it a try. I think you could use ATV wheels (aluminum-maybe) but don't have a clue at the moment how the bearings are done. I'd love to add a second set of wheels outboard to mine, to tell the truth. 600# is a lot on them...[/quote]
Is that price shipped for the tube? UPS and Fedex really kill you on length. Also, I doubt the tube is anodized. I did the same math you did and figured all the parts were maybe $100 less than just buying the real thing with a pre-drilled anodized aluminum tube etc.
One area you can save money on is the cradles, they are running well into the $160 per pair, I can 3D print a set for $75.[/quote]
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