I do something slightly differently. I do M', U' 4 times. Then U', and then M', U' 4 times. That flips just 2 edges. Then do that 6 times. Either way, it's addicting. Flipping 4 edges at a time is just flicking U' twice instead of one extra time. On 5x5, I just do the same thing, but just with the 2nd and 4th edges. I actually figured it out just playing around.
I used to solve my Gigaminx into a superflipped state. It took me an hour every time because the Gigaminx was one of my newest puzzles back then. Now I know that there's a way better way of doing that and that my way was a waste of time.
That was the exact same for me, I used to solve my megaminx into a superflipped pattern and when I got my gigaminx I just went for it and it was glorious
I just recently did this on my 17x17, took less time than I thought it would. I suspect practicing it on my 11x11 helped quite a bit, I also do it on my 3x3 just as a way to fidget with my cube with one hand cause I can’t do R U R’ U’ with one hand smoothly yet
the algs for the megaminx works with the 3x3 but you only have to repeat 5 times and rotate 3 times, the prep is the same this may be helpful for those who want to know many different ways to do super flip
I like to display cubes in the superflip pattern, and with square 1, because it is obviously impossible, I like to do Z-Z then N-N then correct the bar flip then do checkerboard
the super flip permutes all moving pieces in two cycles. Thus doing it twice restores the cube. For the 5x5 doing the outer than inner then the outer will leave a cube needing the inner to be supper flipped - not scramble the cube.
Doing R2’ on the megamix, the 2 is a bit pointless because you do an R move at the beginning of the algorithm here is if it was math. 0-2+1=-1 So you can just do R’ and skip the first R of the first R U R’ F of the algorithm BUT you need to still do R2 at the end.
That's (almost- I use y' x instead of x y) how I do it! I don't actually think about notation, though: I just rotate the fru corner in place one quarter turn after each (M' U')4.
Still trying to get used to doing things on the top instead of the bottom which is how I learned in the 80's. So, on one side it rotates the opposite edges front & back and on the opposite face it rotates two adjacent edges towards the back.
