For what it's worth:
I've bowkilled 22 deer. Typically I've had about 60 LB KE (.42 momentum) at the bow. All deer were 22 yards or less, broadside to slightly quartering.
16 of the 22 deer were with mechanicals (mostly Rocket Miniblaster, Steelhead, Sidewinder), 6 with fixed.
I've had a pass through 19/22 times (One time I hit spine and twice I used a 2'' mechanical).
86% pass through rate on deer with the majority of the arrows under 400 grains.