Open source Face Labels for Lie angle - DIY lie angle testing

[Glock917]

On 2/17/2021 at 9:52 AM, Howard_Jones said:

The IDEAL will always be a Trackman AND the ball marker test combined...
IF Face to path is 0*, the tilt on the spin axis 0* Lie angle is 100% neutral
If face to path is 1*, the tilt on the spin axis is 3* Lie angle is 100% neutral
If face to path is 2*, the tilt on the spin axis is 6* Lie angle is 100% neutral
If face to path is 2*, the tilt on the spin axis is 7.5* Lie angle is 0.5* off neutral

 

Just came across this reading other posts and just wanted to compare my recent trackman number to the relationship you stated above.

 

So in my longer irons (4-6i) I am getting a face to path/spin axis ratio of 1:2.5 which equates to a lie angle being off <.25* which is negligible since you cannot even bend with that kind of precision right?

 

However, as it goes down the set that ratio get progressively smaller the lowest being like 1:1.7. With that being said that still equates to <0.5* is it worth bending for less than half a degree? Can bending machine be precise to a half a degree? 

 

Thanks

 

 

[rt_charger]

4 hours ago, Glock917 said:

 

Just came across this reading other posts and just wanted to compare my recent trackman number to the relationship you stated above.

 

So in my longer irons (4-6i) I am getting a face to path/spin axis ratio of 1:2.5 which equates to a lie angle being off <.25* which is negligible since you cannot even bend with that kind of precision right?

 

However, as it goes down the set that ratio get progressively smaller the lowest being like 1:1.7. With that being said that still equates to <0.5* is it worth bending for less than half a degree? Can bending machine be precise to a half a degree? 

 

Thanks

 

 

At that point it would be hardly significant if you aren't missing them consistenty one way. If anything, it would be more visual if you are sensitive to it.

[Glock917]

57 minutes ago, rt_charger said:

At that point it would be hardly significant if you aren't missing them consistenty one way. If anything, it would be more visual if you are sensitive to it.

Oh I don’t have any issues with unexplained misses one way. I play a draw naturally since my path is in to out thus having a negative face to path normally. It was just more of a curiosity. 

[Howard_Jones]

5 hours ago, Glock917 said:

 

Just came across this reading other posts and just wanted to compare my recent trackman number to the relationship you stated above.

 

So in my longer irons (4-6i) I am getting a face to path/spin axis ratio of 1:2.5 which equates to a lie angle being off <.25* which is negligible since you cannot even bend with that kind of precision right?

 

However, as it goes down the set that ratio get progressively smaller the lowest being like 1:1.7. With that being said that still equates to <0.5* is it worth bending for less than half a degree? Can bending machine be precise to a half a degree? 

 

Thanks

 

 

Its not easy to get lie angles better than +/- 0.25*, and we are now down at a level where your own varables to face angle will have a larger influence on ball flight, than the lie angle will, so if they are BETTER than 0.5 off, just leave it like that

[jCarrot29]

@Howard_Jones Can you explain why the straight line test is 10:1 and not 1:1?  I cannot figure it out for the life of me.  TYIA

[Howard_Jones]

40 minutes ago, jCarrot29 said:

@Howard_Jones Can you explain why the straight line test is 10:1 and not 1:1?  I cannot figure it out for the life of me.  TYIA

Its a result of what we actually measure

Here you see 2 scenarios - the Label / pen will print the angled line, but what we actually measure, is the WIDE on the bottom of a triangle....

Look again and you see The lie board system moved from sole to face, plus changed with minus....



Instead of the labels, we could have used triangles like this:
and again, its really the distance from center and out where impact was made we measure.



Bottom Wide 1/8" = 0.5* Lie
Bottom wide 2/8" = 1.0*
Bottom wide 3/8" = 1.5*
Bottom wide 4/8" = 2.0*
Bottom wide 5/8" = 2.5*
Bottom wide 6/8" = 3.0*

When the measure box is 1 x 1 inch, the diagonal line change by 10* for each 2/8" wider we go