70mm 5 meter roll Tri-x development: HELP!!!!

I am developing 70mm Tri-x on a stainless steel reel in a SS tank. All methods are preceded by 1 minute water soak. I've tried swirl development: 2 360 degree swirls every 45 seconds, reversing direction each time. I've tried traditional tank inversion, slowly, 1, 2 and 3 times every 30 seconds. Every method gets over developed film edges except 1 inversion, which gives uneven skies.

Any suggestions? Anybody use aprons?

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