I'm not that fast at most things, but my current specialty is the counterclockwise U perm.
It's the same alg as Erik uses, but with different execution. The annoying thing about holding it my way is that I can't do U' turns without regripping, so when I do a clockwise U perm I end up cycling the pieces twice counterclockwise, which is noticeably slower; I can get high 1.xes on clockwise U perms.
I don't have Stackmat so I can't time those three attempts there, but I'm pretty sure they were all comfortably sub-1. I can get sub-1 pretty easily, and my best is .80.
I hope this helps/converts someone with/to the MU U perms!
Edit: Tip - Do the M2 U M as one motion, and the U2 M' U M2 as another. That should get you to around 1.2. At some point, I realized I had a pause between the two phases, and trying to remove it is what brought me down to below 1.
It's the same alg as Erik uses, but with different execution. The annoying thing about holding it my way is that I can't do U' turns without regripping, so when I do a clockwise U perm I end up cycling the pieces twice counterclockwise, which is noticeably slower; I can get high 1.xes on clockwise U perms.
I don't have Stackmat so I can't time those three attempts there, but I'm pretty sure they were all comfortably sub-1. I can get sub-1 pretty easily, and my best is .80.
I hope this helps/converts someone with/to the MU U perms!
Edit: Tip - Do the M2 U M as one motion, and the U2 M' U M2 as another. That should get you to around 1.2. At some point, I realized I had a pause between the two phases, and trying to remove it is what brought me down to below 1.
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