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 10.5 vs 9.5 degrees Driver. What is its relationship with distance?

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Duval_S
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PostSubject: Re: 10.5 vs 9.5 degrees Driver. What is its relationship with distance?    Thu Feb 10, 2011 2:51 pm

Quote :
JonL_TK wrote:
duffader wrote:
I personally witness one fitting session...
FItter: What is your average 7 iron distance?
Golfer: Around 155m, but lets put it 150m which is the distance i want.
Fitter: Ok, go ahead and hit a few...
Golfer: After a few shots..... Hmmm, i think the trackman is inaccurate, or maybe i was tired from the golf session i had in SENTOSA (he said it quite loud).

(I took a peep at the numbers..... Carry 121m, total distance 125m..... Razz)
an Uncle si boh?


heng ah...not me. coz I cannot afford to play in Sentosa.....

but my 7 iron is indeed around 120m....and I am uncle liao
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PostSubject: Re: 10.5 vs 9.5 degrees Driver. What is its relationship with distance?    Thu Feb 10, 2011 2:59 pm

JonL_TK wrote:
duffader wrote:
I personally witness one fitting session...
FItter: What is your average 7 iron distance?
Golfer: Around 155m, but lets put it 150m which is the distance i want.
Fitter: Ok, go ahead and hit a few...
Golfer: After a few shots..... Hmmm, i think the trackman is inaccurate, or maybe i was tired from the golf session i had in SENTOSA (he said it quite loud).

(I took a peep at the numbers..... Carry 121m, total distance 125m..... Razz)
an Uncle si boh?

not all uncles short hitters lah.... wgcc, got a few uncle, 146m par 3 tee box... 8iron enough liao.
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PostSubject: Re: 10.5 vs 9.5 degrees Driver. What is its relationship with distance?    Thu Feb 10, 2011 3:02 pm

i am weak...146 m i need 5/6 iron Crying or Very sad

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JonL_TK
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PostSubject: Re: 10.5 vs 9.5 degrees Driver. What is its relationship with distance?    Thu Feb 10, 2011 3:09 pm

duffader wrote:
JonL_TK wrote:
duffader wrote:
I personally witness one fitting session...
FItter: What is your average 7 iron distance?
Golfer: Around 155m, but lets put it 150m which is the distance i want.
Fitter: Ok, go ahead and hit a few...
Golfer: After a few shots..... Hmmm, i think the trackman is inaccurate, or maybe i was tired from the golf session i had in SENTOSA (he said it quite loud).

(I took a peep at the numbers..... Carry 121m, total distance 125m..... Razz)
an Uncle si boh?

not all uncles short hitters lah.... wgcc, got a few uncle, 146m par 3 tee box... 8iron enough liao.
Will... u got me wrong!!! Not saying Uncle hit short... But saying cos he play in Sentosa
Unless he is a young chap... then try to showoff
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duffader
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PostSubject: Re: 10.5 vs 9.5 degrees Driver. What is its relationship with distance?    Thu Feb 10, 2011 3:11 pm

JonL_TK wrote:
duffader wrote:
JonL_TK wrote:
duffader wrote:
I personally witness one fitting session...
FItter: What is your average 7 iron distance?
Golfer: Around 155m, but lets put it 150m which is the distance i want.
Fitter: Ok, go ahead and hit a few...
Golfer: After a few shots..... Hmmm, i think the trackman is inaccurate, or maybe i was tired from the golf session i had in SENTOSA (he said it quite loud).

(I took a peep at the numbers..... Carry 121m, total distance 125m..... Razz)
an Uncle si boh?

not all uncles short hitters lah.... wgcc, got a few uncle, 146m par 3 tee box... 8iron enough liao.
Will... u got me wrong!!! Not saying Uncle hit short... But saying cos he play in Sentosa
Unless he is a young chap... then try to showoff

Well... maybe he play some corporate game or something.... but who cares lah. But this kind of golfer, confirm alot of golf set.
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JonL_TK
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PostSubject: Re: 10.5 vs 9.5 degrees Driver. What is its relationship with distance?    Thu Feb 10, 2011 3:15 pm

duffader wrote:
JonL_TK wrote:
duffader wrote:
JonL_TK wrote:
duffader wrote:
I personally witness one fitting session...
FItter: What is your average 7 iron distance?
Golfer: Around 155m, but lets put it 150m which is the distance i want.
Fitter: Ok, go ahead and hit a few...
Golfer: After a few shots..... Hmmm, i think the trackman is inaccurate, or maybe i was tired from the golf session i had in SENTOSA (he said it quite loud).

(I took a peep at the numbers..... Carry 121m, total distance 125m..... Razz)
an Uncle si boh?

not all uncles short hitters lah.... wgcc, got a few uncle, 146m par 3 tee box... 8iron enough liao.
Will... u got me wrong!!! Not saying Uncle hit short... But saying cos he play in Sentosa
Unless he is a young chap... then try to showoff

Well... maybe he play some corporate game or something.... but who cares lah. But this kind of golfer, confirm alot of golf set.
wah... u say until like that!!! Alot of people here have multiple sets leh...
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duffader
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PostSubject: Re: 10.5 vs 9.5 degrees Driver. What is its relationship with distance?    Thu Feb 10, 2011 3:23 pm

JonL_TK wrote:
duffader wrote:
JonL_TK wrote:
duffader wrote:
JonL_TK wrote:
duffader wrote:
I personally witness one fitting session...
FItter: What is your average 7 iron distance?
Golfer: Around 155m, but lets put it 150m which is the distance i want.
Fitter: Ok, go ahead and hit a few...
Golfer: After a few shots..... Hmmm, i think the trackman is inaccurate, or maybe i was tired from the golf session i had in SENTOSA (he said it quite loud).

(I took a peep at the numbers..... Carry 121m, total distance 125m..... Razz)
an Uncle si boh?

not all uncles short hitters lah.... wgcc, got a few uncle, 146m par 3 tee box... 8iron enough liao.
Will... u got me wrong!!! Not saying Uncle hit short... But saying cos he play in Sentosa
Unless he is a young chap... then try to showoff

Well... maybe he play some corporate game or something.... but who cares lah. But this kind of golfer, confirm alot of golf set.
wah... u say until like that!!! Alot of people here have multiple sets leh...

Bro.... you stay in malaysia too long already lah. I meant that such players, normally blame the arrow, not the indian. Whereas, for those golfers, like yourself, have multiple sets because of their interest in buying equipment. If i can afford, i will also buy a few sets just to hit around or leave them in the corner of the house.
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PostSubject: Re: 10.5 vs 9.5 degrees Driver. What is its relationship with distance?    Thu Feb 10, 2011 3:27 pm

Guys a good explanation from Tom Wishon on the topic of loft versus swing speed. Maybe this would give you some kind of enlightenment!

http://www.alanscustomclubs.com/_pdfs/12mythsBook.pdf
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JonL_TK
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PostSubject: Re: 10.5 vs 9.5 degrees Driver. What is its relationship with distance?    Thu Feb 10, 2011 3:30 pm

duffader wrote:

Bro.... you stay in malaysia too long already lah. I meant that such players, normally blame the arrow, not the indian. Whereas, for those golfers, like yourself, have multiple sets because of their interest in buying equipment. If i can afford, i will also buy a few sets just to hit around or leave them in the corner of the house.
Classic Reply @ You... "HOT LIAO"
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Duval_S
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PostSubject: Re: 10.5 vs 9.5 degrees Driver. What is its relationship with distance?    Thu Feb 10, 2011 3:36 pm

Quote :
Technospaz wrote:
Duval_S wrote:
Before I change my irons, I was short many many times.

Now I change irons, I 50% times over......

So, you should now give 50% more strokes. Previously, I enjoyed 4-4 from you which should now be 6-6 Smile

brudder, with your new acquired MX200 on top of your MX300, we play level liao lah......
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PostSubject: Re: 10.5 vs 9.5 degrees Driver. What is its relationship with distance?    Thu Feb 10, 2011 3:44 pm

Duval_S wrote:
brudder, with your new acquired MX200 on top of your MX300, we play level liao lah......
Duval... Your using MP52 leh... Player's iron!!!
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duffader
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PostSubject: Re: 10.5 vs 9.5 degrees Driver. What is its relationship with distance?    Thu Feb 10, 2011 3:47 pm

JonL_TK wrote:
Duval_S wrote:
brudder, with your new acquired MX200 on top of your MX300, we play level liao lah......
Duval... Your using MP52 leh... Player's iron!!!

D... meet 25Lee
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PostSubject: Re: 10.5 vs 9.5 degrees Driver. What is its relationship with distance?    Thu Feb 10, 2011 3:50 pm

duffader wrote:
JonL_TK wrote:
Duval_S wrote:
brudder, with your new acquired MX200 on top of your MX300, we play level liao lah......
Duval... Your using MP52 leh... Player's iron!!!

D... meet 25Lee
Hahaha... I even know who the previous owner(s) of the club belonged to!!!
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eiji
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PostSubject: Re: 10.5 vs 9.5 degrees Driver. What is its relationship with distance?    Thu Feb 10, 2011 3:58 pm

JonL_TK wrote:
duffader wrote:

Bro.... you stay in malaysia too long already lah. I meant that such players, normally blame the arrow, not the indian. Whereas, for those golfers, like yourself, have multiple sets because of their interest in buying equipment. If i can afford, i will also buy a few sets just to hit around or leave them in the corner of the house.
Classic Reply @ You... "HOT LIAO"

is this an invitation for a match
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S70B
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PostSubject: Re: 10.5 vs 9.5 degrees Driver. What is its relationship with distance?    Thu Feb 10, 2011 4:02 pm

A lot of ppl see their launch angle so high even when they are using a '9.5' head is becos their Angle Of Attack (AOA) is so steep.

Basically, if you wanna keep your 'descending blow' type of swing, going 1 deg lower might only solve half the problem.

A cheaper option to buying a new driver is spending $100 for a pro to teach you a better set up and sweeping motion for the drive, all inside an hr.

OT: Jon, if you are free, I'll be at the Den till 7pm.

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PostSubject: Re: 10.5 vs 9.5 degrees Driver. What is its relationship with distance?    Thu Feb 10, 2011 4:45 pm

S70B wrote:
A lot of ppl see their launch angle so high even when they are using a '9.5' head is becos their Angle Of Attack (AOA) is so steep.

Basically, if you wanna keep your 'descending blow' type of swing, going 1 deg lower might only solve half the problem.

A cheaper option to buying a new driver is spending $100 for a pro to teach you a better set up and sweeping motion for the drive, all inside an hr.

OT: Jon, if you are free, I'll be at the Den till 7pm.
Leaving the office now... Should be at the Den at round 6 plus
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PostSubject: Re: 10.5 vs 9.5 degrees Driver. What is its relationship with distance?    Thu Feb 10, 2011 6:34 pm

jimmychoo wrote:
eiji wrote:
Fairwind wrote:


2) As per what you said, if i am swinging at 85mph, 10.5 loft. What is the expected distance one should be getting?


between 1m - 250m, depending on your swing, roll, launch angle, smash factor, AoA, Clubface angle, club path, etc etc etc etc etc

An 85 mph club head speed will never get you 250m on a normal situation.

Base on very general calculation, just multiply your club head speed by 2.35 will get you the distance.

So 85 mph : 85 x 2.35 = 199.75 yards

Take note this is just very general one hor! Cool

JC, your formula is the closest thing it can get. I am in that stat and am getting 180m carry most of the time and only 200m when I hit it flushed. But once in a while, if I take Mac Double and managed to cranked up to 90mph, I could raised it up to 220 if fully flushed......Thats as far as I can get.
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PostSubject: Re: 10.5 vs 9.5 degrees Driver. What is its relationship with distance?    Thu Feb 10, 2011 9:04 pm

Duval_S wrote:
Quote :
Technospaz wrote:
Duval_S wrote:
Before I change my irons, I was short many many times.

Now I change irons, I 50% times over......

So, you should now give 50% more strokes. Previously, I enjoyed 4-4 from you which should now be 6-6 Smile

brudder, with your new acquired MX200 on top of your MX300, we play level liao lah......

Bro, I downgraded... therefore, I should be looking at 7-7 from you Smile

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PostSubject: Re: 10.5 vs 9.5 degrees Driver. What is its relationship with distance?    Thu Feb 10, 2011 11:07 pm

Tituman wrote:
jimmychoo wrote:
eiji wrote:
Fairwind wrote:


2) As per what you said, if i am swinging at 85mph, 10.5 loft. What is the expected distance one should be getting?


between 1m - 250m, depending on your swing, roll, launch angle, smash factor, AoA, Clubface angle, club path, etc etc etc etc etc

An 85 mph club head speed will never get you 250m on a normal situation.

Base on very general calculation, just multiply your club head speed by 2.35 will get you the distance.

So 85 mph : 85 x 2.35 = 199.75 yards

Take note this is just very general one hor! Cool

JC, your formula is the closest thing it can get. I am in that stat and am getting 180m carry most of the time and only 200m when I hit it flushed. But once in a while, if I take Mac Double and managed to cranked up to 90mph, I could raised it up to 220 if fully flushed......Thats as far as I can get.

I second that Titu, my Trackman results with an average 85mph and 1.5 smash factor is 180m carry and 210m total distance. The furthest I maxed out was 220m also. Resigned to the sad fact I can't hit much further and decided that the only way to make up for the shortfall is to hit my 3 wood well. My small consolation is that I now know for sure what my actual distance with the driver is, don't have to second guess and wonder anymore. Sad
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PostSubject: Re: 10.5 vs 9.5 degrees Driver. What is its relationship with distance?    Thu Feb 10, 2011 11:21 pm

S70B wrote:
A lot of ppl see their launch angle so high even when they are using a '9.5' head is becos their Angle Of Attack (AOA) is so steep.

Basically, if you wanna keep your 'descending blow' type of swing, going 1 deg lower might only solve half the problem.

A cheaper option to buying a new driver is spending $100 for a pro to teach you a better set up and sweeping motion for the drive, all inside an hr.

OT: Jon, if you are free, I'll be at the Den till 7pm.

Are you sure a steep angle of attack (normally associated with an out-to-in swing path) produces a HIGH launch angle? On the contrary I believe most proficient fitters here will attest that a steep angle of attack (ie hitting down) produces a LOWER launch angle.

The reason very good played maximize their driver distance is they swing slightly from in-to-out which produces a more level or upward angle of attack into the ball that leads to a HIGHER launch angle and less backspin. This is the ideal recipe for maximum distance.
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PostSubject: Re: 10.5 vs 9.5 degrees Driver. What is its relationship with distance?    Thu Feb 10, 2011 11:37 pm

I know that generally a downward Angle of Attack decreases dynamic loft of a club as oppose to an upward AOA.

HOWEVER, If you base everything off theory, then I think fitting will be easier said than done.

When I went for the Callaway Fitting, my AOA was in the range of - 2.5 to - 0.5. My LA was a good 14*-15.5*

The fitter changed my setup for me and told me to try hitting up. After a few shots, I managed to get +0.5 - +1.2 AOA WHILST lowering my LA to 11-13* on some shots.

With impact tape in the mix, I was contacting slightly lower on the face after giving it positive AOA as opposed to when I was hitting down slightly on it and contacting it slightly above the sweetspot.

So in theory, you are not considering other factors like impact area. Most ppl who hit down on their ball normally do so nearer to the top of the club face too. I don't have to explain to you wat that will do to the ball when that happens.

We are talking about typical golfers hitting drivers here btw. Its a different story if you are fitting the pros.

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PostSubject: Re: 10.5 vs 9.5 degrees Driver. What is its relationship with distance?    Thu Feb 10, 2011 11:37 pm

GooGie, your comments are directed at a very proficient player. ROFL

And a steep angle of attack with the driver produces more backspin leading to a higher launch. The exact same reason why you are encouraged to hit down with the irons, for the high launch and control derived from the backspin.

If you want proof, get on a Trackman, hit your driver with a steep angle of attack and you''ll see the numbers for yourself. Then get the fitter to decipher why it is so. Very Happy
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PostSubject: Re: 10.5 vs 9.5 degrees Driver. What is its relationship with distance?    Thu Feb 10, 2011 11:42 pm

Not to take any offense but I did read this article before when I was pretty free:

http://www.iseekgolf.com/clubfittingandrepairs/7313-angle-of-attack-its-role-in-fitting

However, just with any article, I dun see it as the gospel truth as to me they are just using pros to determine results, results which are totally opposite to what I have experienced.

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PostSubject: Re: 10.5 vs 9.5 degrees Driver. What is its relationship with distance?    Fri Feb 11, 2011 12:04 am

2 more things not mentioned in the article.

For us amateurs, was the shaft lean at impact considered? How about what happens to wrists and shaft post impact?

My wife is a classic example. She comes down shallow with no strength in keeping the lag, then scoops the ball at impact and lifts post impact. So are we still gonna prescribe less loft for her? Nevermind her slow SS.

We cannot assume that everyone can repeat swings like Charlie 3 sticks and Big Bubba, esp their pro impact positions.

And thats why fitting is an individual issue. What works for me doesn't mean it will work for everyone else.

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PostSubject: Re: 10.5 vs 9.5 degrees Driver. What is its relationship with distance?    Fri Feb 11, 2011 7:39 am

Birdman wrote:
GooGie, your comments are directed at a very proficient player. ROFL

And a steep angle of attack with the driver produces more backspin leading to a higher launch. The exact same reason why you are encouraged to hit down with the irons, for the high launch and control derived from the backspin.

If you want proof, get on a Trackman, hit your driver with a steep angle of attack and you''ll see the numbers for yourself. Then get the fitter to decipher why it is so. Very Happy
My comments were a generalization for what happens to the majority of folders. And yes impact location on the face has a big affect on launch angle as well.

But I'm curious that you say hitting down produces a high launch angle with irons. Isn't the punch shot (where we hit down more so than a regular swing) intended to keep the flight LOW?

If you are on traxkman you'll notice the launch angle with your driver is usually a few degrees away from the loft of the head whereas the LA with your wedge is much much lower than the loft on the PW. The reason is we hit down on the ball more with the wedge.
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