1º diff between face and path on a driver creates 4% curve i.e 12 yards at 300.

[nevets88]

This from the Tweet below:

1º diff between face and path on a driver creates 4% curve i.e 12 yards at 300. 1 dimple off centre strike does the same.

https://twitter.com/#!/JamesRidyard/status/198361768937013248

If the numbers are right, i t's a miracle I can drive the ball straight the number of times I do - not 300yds though :-)

[xmanhockey7]

Modern technology greatly helps keep the ball from going that far off line.

[Stretch]

Originally Posted by xmanhockey7

Modern technology greatly helps keep the ball from going that far off line.

How?

[iacas]

I've never really believed the bit about being off by a dimple and the errors it supposedly causes. I mean, either that's accurate or we're all a hell of a lot better than we give ourselves credit.

[poser]

Originally Posted by iacas

I've never really believed the bit about being off by a dimple and the errors it supposedly causes. I mean, either that's accurate or we're all a hell of a lot better than we give ourselves credit.

I agree I hit it all over the face and pretty much not that far off line.

[MEfree]

Originally Posted by poser

I agree I hit it all over the face and pretty much not that far off line.

same here...but the 1 degree thing sounds more reasonable although I think this might depend on the type of golf ball played as I was under the impression that some balls spin more than others.

Using http://www.csgnetwork.com/righttricalc.html it seems like a swing path that is 1 degree In/Out with a club face square to the path will produce just more than a 5 yard push/pull at 300 yards.

I haven`t studied trackman data or the ball flight discussions in much detail, but based on the above, it sounds like you want to be about 2.3 degrees In/Out with the club 1 degree towards the target relative to the swing path to get the ball to go back to the target.  Does that sound right to any trackman experts out there?

[jamo]

Using [URL=http://www.csgnetwork.com/righttricalc.html]http://www.csgnetwork.com/righttricalc.html[/URL] it seems like a swing path that is 1 degree In/Out with a club face square to the path will produce just more than a 5 yard push/pull at 300 yards.

That's assuming the ball flight is straight. If the face is open 1 degree to the swing path, some spin is also going to be created. Probably not enough to bridge the gap between 12* and 5* though. I think. :-P

[Stretch]

For gear effect, TrackMan says that a 1/2" miss with a driver will tilt the spin axis about 20% and the same miss with a 6 iron will tilt it about 7%.

So, put another way, for that 6 iron point on the curve -- if you were 3 degrees open to the path and hit it 1/2" toward the toe, you'd get a dead straight shot.

[MEfree]

Quote:

Originally Posted by MEfree

Using http://www.csgnetwork.com/righttricalc.html it seems like a swing path that is 1 degree In/Out with a club face square to the path will produce just more than a 5 yard push/pull at 300 yards.

Originally Posted by jamo

That's assuming the ball flight is straight. If the face is open 1 degree to the swing path, some spin is also going to be created. Probably not enough to bridge the gap between 12* and 5* though.

I think.

Yes, I was assuming a straight pull or straight push.  I wasn`t trying to imply that these results should be the same as a with a straight path and 1 degree open/closed club face.

AM I CORRECT TO ASSUME THAT A CENTER HIT WITH A CLUB FACE SQUARE TO THE SWING PATH WILL PRODUCE A STRAIGHT PULL OR PUSH (OR IS THERE SOME OTHER FACTOR THAT TRACKMAN DISCOVERED)?

Based on the below, it looks like 1 degree open/closed (to the swing path, not target) is worth about the same as 1 degree in/out with a club of roughly 25 degrees.  With a driver (10 degrees loft) a 4% shot bend would produce 12 yards of draw/fade at 300 yards (assuming I`m understanding the term shot bend correctly) so this confirms the tweet in the OP.

Originally Posted by Stretch

For gear effect, TrackMan says that a 1/2" miss with a driver will tilt the spin axis about 20% and the same miss with a 6 iron will tilt it about 7%.

So, put another way, for that 6 iron point on the curve -- if you were 3 degrees open to the path and hit it 1/2" toward the toe, you'd get a dead straight shot.

[MEfree]

Quote:

Originally Posted by MEfree
I haven`t studied trackman data or the ball flight discussions in much detail, but based on the above, it sounds like you want to be about 2.3 degrees In/Out with the club 1 degree towards the target relative to the swing path to get the ball to go back to the target.  Does that sound right to any trackman experts out there?

I think I should have said 3.3 degrees in/out as I forgot to subtract the 1 degree for the face not being square to the swing path.  I have read that the direction the face is pointed roughly 85% controls where the ball starts- for this calculation I am assuming that the ball starts exactly where the face is pointed (2.3 degrees off the target line and 1 degree off the swing path)

[EverythingGolf]

Originally Posted by MEfree

Quote:

Originally Posted by MEfree

Using http://www.csgnetwork.com/righttricalc.html it seems like a swing path that is 1 degree In/Out with a club face square to the path will produce just more than a 5 yard push/pull at 300 yards.

Yes, I was assuming a straight pull or straight push.  I wasn`t trying to imply that these results should be the same as a with a straight path and 1 degree open/closed club face.

AM I CORRECT TO ASSUME THAT A CENTER HIT WITH A CLUB FACE SQUARE TO THE SWING PATH WILL PRODUCE A STRAIGHT PULL OR PUSH (OR IS THERE SOME OTHER FACTOR THAT TRACKMAN DISCOVERED)?

Based on the below, it looks like 1 degree open/closed (to the swing path, not target) is worth about the same as 1 degree in/out with a club of roughly 25 degrees.  With a driver (10 degrees loft) a 4% shot bend would produce 12 yards of draw/fade at 300 yards (assuming I`m understanding the term shot bend correctly) so this confirms the tweet in the OP.

Here is the numbers.

[MEfree]

Originally Posted by EverythingGolf

Here is the numbers.

Thanks, that seems consistent with what I was saying about a straight push/pull.  I tried google already, but is there somewhere on the web where I can plug in the numbers like you did?

Based on what has been posted above, I find it interesting that the same clubhead path and face angle is going to end up in different spots relative to the target depending on the loft of the club. i.e. a guy who always swings with a club head path 3.3 and face 2.3 to target is likely to see his driver end up fading back to the target but see his wedge start on the same line but fade less and stay almost 4 yards left