I choose the larger of the two because it has more foot lbs of energy, it has a larger wound channel because the 200 gr will open up more because it has longer petals.
This isn't correct. The extra length of the heavier bullets is behind the nose. Remember, these bullets are all being fed from the same magazinze into the same chamber, so COAL must be pretty close to the same across the board. The 200 gr won't open up much, if any, more than the 110 gr. It'll only make a bigger wound channel if it has more energy at impact. For a given bullet weight, the greater the speed and energy as it moves through the tissue medium, the greater the cavitation. Cavitation is what creates the wound channel. If the 110 and the 200 impact with the same energy (mass*velocity), the wound channel will be pretty much the same. The difference between wound channels @1100 ft-lbs and 1600 ft-lbs shouldn't be great enough to lose an animal with the same shot placement.
So no, i was not contradicting myself. Also, if the bullet hits hard bone then the heavier bullet will be less likely to deviate off course.
Not if the energy is similar at impact and if the bullet stays together, which with X bullets they will, regardless of weight. I don't think you're going to see much path change with the 110 gr going through bone compared to the 200.
In a situation where the wind is blowing from your 3 o'clock to your 9 o'clock at 20 mph, at 500 yards the difference between the 200 gr and 130 gr is that you have to turn 4 more clicks or 1 MOA more to the right with the 200 gr bullet. The bigger difference is the elevation adjustment but even then if you have your drops down, anyone can make quick work of the adjustments needed at 500 yards for elevation.
This assumes one is using a scope with turrets, has range finding gear, and the game isn't moving toward or away from you as you're adjusting. This is where the 110/130 zippers really shine, as at anyhting less than about 350 you don't have to touch turrets, and if you don't have them, and zero a standard duplex tube at 250, you simply aim and squeeze, hitting between 3 high and 3 low, a plenty large point blank circle for elk. If it's at 500, simply aim at the nose and hit dead center in the chest. Side shot? Aim at the nose and move left/rigtht two feet.
I personally have never shot a real scope. My current glass is a 3-12x50 BSA duplex Chinese tube w/sun shade that drained all of $90 from my wallet a decade ago. I've killed a whitetail at full run at 400 and one stationary at 500 with holdover, both single shot DRT kills, using 150 gr ballistic tips in my .308. All of my other 50+ whitetails over the past 25 years have been less than 300 yds-point, shoot. This is Missouri, so it's rare to have a shot opportunity beyond 500 yds. I've never hunted elk. If they are like Missouri whitetails, and don't sit still very long, I wouldn't be taking 500 yard pops at them anyway. If they do sit still for a bit, I'd pop em in the neck with the TTSX 110s all day long, with my cheap tube sans turrets.