No one tested the HD?
Just did a shaft retrofit at Club Champion and the HD was the clear winner. HD has Graphite Design's 3-3-3+ profile.
I'm a 69 year old with an 85 mph driver swing speed. Since we often have a decent breeze blowing here in St Augustine, FL. I prefer a fairly low ball flight and typically play a slight fade. I'd like to call it a "power fade" but I don't really have any power, lol. My carry distance is between 190-200 yds with a roll out to 210-225. Don't currently have a HCP index (back in the day I was a +6) but I average +9 at 6000 yards (sea level). If I move up to the senior tees I'm about 3 strokes better.
I'm pretty accurate and consistent with my irons and fairway woods and have a competent short game. When I'm in the fairway off the tee, I'll shoot in the mid to low 70's. I've shot level par for 9 holes a few times; hence the search for accuracy off the tee.
Swing speed suggests I should play a regular flex but I have a quick transition and get much better performance from a stiff flex, especially in the driver and 3 wood. Currently have a stock Speeder NX (stiff) in a Qi 10 LS. Loft setting is either 7.0 or 7.5 degrees. I get acceptable distance (for me) but I've been spraying it all over the place. Went to CC looking for the least dispersion I could get without sacrificing distance.
After working through maybe 10 different shafts, the fitting came down to Ventus Blue (velocore) and the AD HD (both in 5 stiff). Distance was the same. But the HD was much more consistent and had half the dispersion...ALL of the shots with the HD were closer to the center line than than the best with the Ventus.
Speeder is purple, Ventus is red, and AD HD is blue in the image below. Driver loft was 7.0 on those graphics but I will likely play the HD at 7.5 or 8.25, depending on course conditions.
Looking forward to delivery!