Mark - while you are generally correct that the average player does not hit it much farther than he did 30 years ago, the more relevant inquiry for the purpose of golf course design is whether or not the range of distances amateur players playing the course has changed. On that front, there is no doubt that there has been a dramatic change.
I play in a tournament each year on a course that has not changed over the last 30 years and I play with essentially the same people I played with 30 years ago - single digit handicaps but no one could be considered extraordinary long off the tee. I guarantee you that 95% of clubs in the US have guys that can hit it past our group. When our longest hitter entered the long drive competition he lost by 60 yards.
30 years ago the par fives were reachable in two for the rest of the group (not me) but required a good drive and a good three wood. Now, one guy regularly reaches par fives with seven irons and all of us (including me) can get there on the right day. We are all in our upper 40's and I guarantee you we do not swing as hard as we once did.
Dan Pohl was once the long drive leader on the PGA tour at 274 yards. Now, every club in the US has someone who can average that distance. In the Minnesota State Amateur championship a couple of years ago, 33% of the participants averaged over 300 yards off the tee and the average distance was more than what Pohl averaged. http://www.golfclubatlas.com/forum/index.php/topic,56334.0.html . The tournament was contested in warm weather but the course had received 3 inches of rain shortly before the tournament.
There are a number of factors that have resulted in increased driving distance - the ball, graphite shafts, MOI (maybe), and increased shaft length made possible by larger driver heads and lighter overall weight.
Jason,
We all agree there has been an increase from the tee for the average golfer and we all agree that this subject goes hand in hand with the lengthening of golf courses. Threads continue to pop up trying to combat the problem from an architectural perspective. My point is that to progress the discussion, the very problem and how it came about needs to be understood before any proposed solution could be devised. In my original post, I'm saying the ball and the distances gained at the Tour Pro level vs yesteryear should be taken off the table because they convolute the understanding of the problem. The ball is not the problem.
I don't doubt Dan Pohl's driving average, but short of identifying a problem that we all agree is real (golfers are hitting it further off the tee), what does it tell us? It does not provide any evidence that the club golfers modern ball goes further than the club golfers ball of 30 years ago, because he wasn't using a club golfers ball, he was using balata. All of your examples only point out that the golfer is hitting it further from the tee, there is no evidence that the ball is responsible. But, like so many, you assume that the modern run of the mill ball is a factor in increased distance.
There is also another never mentioned aspect to this discussion that should be considered if architectural solutions are to be considered:
shot dispersionWith increased distance comes increased shot dispersion. We always hear how golfers are hitting it further, but they are also hitting it wider!
Which is rather ironic considering the current mantra from some for width!
The only solution I can see is modifying the equipment rules on woods....limit head volume...compulsory stainless steel head material....and maybe shaft.
Mark,
Angles: Don't you think that angles make landing zones wider for the longer hitter?