Arthur,I am stating I like mechanicals for the same reasons you like deflex risers.(As do I) but I prefer to hunt with a bow with moderate reflex because of my low poundage.I also couldn't agree with you more about energy and the amount needed but their are some that do as well as a 3 bladed fixed head.I can attest to that because of real world accounts,not test written in magazines,although I do agree with the tests results.MY KE IS USUALLY BETWEEN 56-58 FT/LB.
Badshotbob,
That is exactly what I am pointing out,if I have what I would call a good 40-50 yard shot,then I will take it and I can be completely confident in a Rocket Steelhead(notice I didn't say mechanical,not all are as good with penetration as these)being accurate.I can't have the same confidence in a fixed.Also when leaning out around a tree ,there is no doubt about torquing the bow,you will need a setup that will allow some forgiveness.A deflex riser and /or a heavy,slow arrow with plenty of helical feather on the back is one way to accomplish this.Another is by using a well tuned moderately reflexed bow of choice with a mechanical on the arrow.
I practice all of these scenarios and I can make a shot at 40 yards with my body pointing away at about 120 deg angle from the target on my knees with a mechanical but I can't make as good of a shot with a fixed.That is the type of forgiveness I am talking about.Extreme type situations.
I have said about everything I can and feel if you don't understand what I am saying by now,then you just won't get it untill you start trying some of the type shots that I do.You never know when you might be cought off guard in the woods and need to make a kneeling shot around a tree.You must first need to be skilled at the shot and secondly you must have confidence in your equipment.
I am climbing down off my soap box now, have a good day.