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Search: Posts Made By: cellofaan
Forum: Racquets 07-11-2012, 09:44 AM
Replies: 11
Adding weights on the handle
Views: 690
Posted By cellofaan
It does change the swingweight. However the...

It does change the swingweight.
However the effect is very minor.
You'd have to add 10 grams at the end of the stick to increase SW with 1 unit.
Place it halfway the 10cm mark and you'll need 40...
Forum: Tennis Tips/Instruction 04-29-2012, 01:26 AM
Replies: 4
Trophy pose effecting power?
Views: 818
Posted By cellofaan
I'm not sure if I understand your description,...

I'm not sure if I understand your description, but it seems quite different from the Bryans serve. The Bryans have a fairly normal serve and trophy pose.

Regardless, the exact trophy pose in itself...
Forum: Racquets 03-19-2012, 03:48 PM
Replies: 35
Same racquets, different swing weight
Views: 1,915
Posted By cellofaan
you're right that the mass at the top is (about)...

you're right that the mass at the top is (about) twice the distance and half the mass, but distance is squared in the formula, so twice the distance means four times as much inertia.
Forum: General Pro Player Discussion 03-16-2012, 04:22 AM
Replies: 99
Johnny Mac : the big four should fear Isner
Views: 4,335
Posted By cellofaan
He does often back his serve up by coming to the...

He does often back his serve up by coming to the net, but from what I have seen, he usually doesn't do it by playing serve volly, but follows his second shot (often the forehand) to the...
Forum: Racquets 03-13-2012, 01:59 AM
Replies: 90
Optimum Balance Data for ATP Pros III
Views: 8,866
Posted By cellofaan
You may want to try measuring more swings, like...

You may want to try measuring more swings, like shadowshifter suggested. Much of the inaccuracy of measuring these things is our timing with the stopwatch, which is minimized when you count more...
Forum: Racquets 03-12-2012, 04:20 AM
Replies: 3
Help with Racquet Polarization and Depolarization.
Views: 845
Posted By cellofaan
As I understand, Travlerajm's method aims to get...

As I understand, Travlerajm's method aims to get an ideal combination of specs to optimize swingmechanics.
The ideal sw (SW2) is around 365, with an MgR/I of around 21 and MR^2 of around 385.

With...
Forum: Tennis Tips/Instruction 03-04-2012, 08:05 AM
Replies: 17
raising your heels on serve
Views: 1,160
Posted By cellofaan
Trying it for myself, the only way to bend my...

Trying it for myself, the only way to bend my knees without lifting my heels, is to bend my legs at the hips. Like a squat, as you said.

Looking at pictures of pro players, the upper leg is supposed...
Forum: Racquets 03-04-2012, 07:04 AM
Replies: 10
Which raket plays between Dunlop 200 Tour and Babolat APDGT?
Views: 757
Posted By cellofaan
A Dutch 6 should be somewhat equivalent to an...

A Dutch 6 should be somewhat equivalent to an American 3.5 or 4.0 according to this chart http://www.itftennis.com/shared/medialibrary/pdf/original/IO_43630_original.PDF
The chart is somewhat old,...
Forum: Tennis Tips/Instruction 03-03-2012, 10:50 AM
Replies: 17
raising your heels on serve
Views: 1,160
Posted By cellofaan
You can't really bend your knees without getting...

You can't really bend your knees without getting on your toes (unless you lean forward). Without bending your knees, it's difficult if not impossible to get a leg drive.
Forum: Shoes and Apparel 03-01-2012, 01:50 AM
Replies: 13
Asics Gel reso 3 or 4 vs Solution Speed (clay)
Views: 2,394
Posted By cellofaan
You could also go for the gel challenger 8's....

You could also go for the gel challenger 8's. They're a step below the resolutions and speeds, but still good shoes.

I went to a local shop for a pair of resolution 4's, but instead bought the...
Forum: Shoes and Apparel 03-01-2012, 01:01 AM
Replies: 13
Asics Gel reso 3 or 4 vs Solution Speed (clay)
Views: 2,394
Posted By cellofaan
I'd say get whichever one you can find with a...

I'd say get whichever one you can find with a claycourt sole.
The allcourt sole is not very suitable for clay. You may not feel you're missing anything, but a proper sole adds so much more traction,...
Forum: Strings 02-19-2012, 02:51 AM
Replies: 61
Pro's Pro Vendetta
Views: 6,613
Posted By cellofaan
I'm using vendetta as well, and quite like it....

I'm using vendetta as well, and quite like it. However, I have to say I liked pro's pro plus power better. It's a bit softer and easier to string.
Forum: Racquets 10-29-2011, 01:01 PM
Replies: 8
Dunlop Aerogel 4D 300 Tour -- hollow all the way around the frame?
Views: 1,050
Posted By cellofaan
Most rackets are hollow. You could wrap the lead...

Most rackets are hollow. You could wrap the lead in some cotton to give it a tight fit in the handle so it won't move.
Or, stick it to the inside of the handle.
Forum: Racquets 10-27-2011, 12:50 AM
Replies: 6
Anyone seen this thing?
Views: 676
Posted By cellofaan
Cortex is only a thin piece of plastic glued into...

Cortex is only a thin piece of plastic glued into a groove in the frame. Underneath it there's about the same thickness of carbon fiber as in the rest of the racket, so I wouldn't expect it to break...
Forum: Racquets 10-27-2011, 12:46 AM
Replies: 15
How to figure head light?
Views: 845
Posted By cellofaan
You can calculate it relatively easily, but since...

You can calculate it relatively easily, but since it depends on the starting weight and balance, there is not one magical number that works for every racket.

The easiest would be to use the...
Forum: Racquets 09-28-2011, 01:11 AM
Replies: 22
Racquet advice for 12-year-old girl
Views: 2,234
Posted By cellofaan
qft 10char

qft

10char
Forum: Tennis Tips/Instruction 09-26-2011, 10:48 PM
Replies: 70
Critique My Video
Views: 3,220
Posted By cellofaan
it says elastern forehand grip at 0:49 instead of...

it says elastern forehand grip at 0:49 instead of eastern.
Forum: Racquets 09-05-2011, 09:05 AM
Replies: 26
Is swing weight sometimes misleading?
Views: 1,737
Posted By cellofaan
qft Also, 'weighing the head' has little to do...

qft



Also, 'weighing the head' has little to do with actually weighing the head. What you're doing is measuring the support reactions when the frame is supported at the tip and butt. You could also...
Forum: Racquets 09-02-2011, 06:16 AM
Replies: 9
Window lead tape
Views: 1,096
Posted By cellofaan
I got my lead tape in the mail...

I got my lead tape in the mail today.
http://i51.tinypic.com/2u5w603.jpg

It's a nice plastic wheel with the tape rolled around it.
http://i52.tinypic.com/2i8x4x0.jpg

I couldn't find a ruler, so I...
Forum: Racquets 09-01-2011, 04:43 AM
Replies: 9
Window lead tape
Views: 1,096
Posted By cellofaan
It's a 6mm wide, 10m roll. It weighs about 600...

It's a 6mm wide, 10m roll. It weighs about 600 grams according to the website, but that includes a piece of cardboard and plastic packaging.
I'd guess about 50 grams per meter, or 0.5 grams per...
Forum: Racquets 09-01-2011, 04:12 AM
Replies: 9
Window lead tape
Views: 1,096
Posted By cellofaan
I have been thinking about using window lead tape...

I have been thinking about using window lead tape as well, and actually ordered some yesterday.

It's a whole lot cheaper than tennis-leadtape.
Forum: Racquets 08-19-2011, 06:54 AM
Replies: 29
My next racquet = 100" headsize, stiff, 18 mains...
Views: 2,533
Posted By cellofaan
I remember you used to shorten your racquets. You...

I remember you used to shorten your racquets. You extended your O3 and now this one too. (I think I missed the O3 thread if you made one)

Shortening it allows you to put more mass in the head. What...
Forum: Racquets 08-13-2011, 01:42 AM
Replies: 22
Shortened racquet
Views: 1,122
Posted By cellofaan
I see, I underestimated the weight of the...

I see, I underestimated the weight of the 1/2"being cut off. Thank you for explaining.
Forum: Racquets 08-13-2011, 12:18 AM
Replies: 22
Shortened racquet
Views: 1,122
Posted By cellofaan
I don't follow you there. How would cutting the...

I don't follow you there. How would cutting the racquet move the balance point towards the tip? It does get 2 points less headlight, since the midpoint moves 1/4", but the balance in cm should be...
Forum: Racquets 08-12-2011, 01:07 PM
Replies: 22
Shortened racquet
Views: 1,122
Posted By cellofaan
The biggest difference I think is in the effect...

The biggest difference I think is in the effect on swingweight. Since by shortening the handle all the weight of the frame essentially moves toward your hand (or you could see it as the axis for...
Showing results 1 to 25 of 473
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