We boutta call you dangling power button man 
AP ripping it last Wednesday
The board has potential, but needs some work.
Most notably, it would definitely benefit from drop-through mounting of dualities. That’s going to take a lot of work.
For now, I redid the wheel gear mounting. Replaced the two male standoffs (originally a disgusting bodge for Super Duality) with a single female/female standoff. Simpler and a lot easier to center.
Because the new female standoff is thin enough to fit through the holes in the gear, so I printed these hex sleeves to actually hold the gear in place when bolted down. (Pictured, left)
Additionally, I printed small sleeves for the bolts to make them the same size as the slots in the gears. (Pictured, right, hard to see)
Still not a perfect solution, but these changes made it a lot easier to get the gear well-centered on the hub, leading to a big improvement on what it was before.
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Are you using a carrier bearing?
I’ve done with and without. With is much better of course but introduces additional problems like a floating spacer between the inside hub bearing and the carrier bearing.
I started using the linnpower adapter spacers on most of my pneumatic open gear setups. The linns have a nice pocket for the carrier bearing but now if the inside hub bearing seat is a little loose (hubbas) then the hub bearing can come loose when the wheel is removed and become floating and captured between the hub and the adapter plate. Causing a disassembly to be required to put the bearing back.
I came up with this holder to bolt up to the adapter plate that provides a stop for the bearing inside the hub. @AlexB helped me knock it out.
I need to take apart a wheel and make sure all is good but three intro sessions later and everything seems fine.
Linn-Hubba-Nut-Pockets-V2 2.stl (434.5 KB)
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Nope, never.
