Is this legal?

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lasta

Post subject: Is this legal?

Posted: 28 Jun 2018, 20:32

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Hi,

I'm a penhold pips out player. While I infrequently use RPB, I have always attached a full sheet of rubber on the back. In order to save some weight and focus more of traditional backhands is having a bi-colored backside with color sheet and top part sponge (for comfort) legal? Please refer to picture attached.

Attachments:

File comment: Sponge cover

Screenshot_20180628-190039-01.jpeg [ 215.71 KiB | Viewed 1434 times ]

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lasta

Post subject: Re: Is this legal?

Posted: 28 Jun 2018, 20:34

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BTW I copied the shape from cork portions of Jpen blades, considering cork was never an issue should I anticipate any judgement for this mod?

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medax

Post subject: Re: Is this legal?

Posted: 28 Jun 2018, 21:40

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Sorry to be the bearer of bad new, but if I have read the T4 Racket Coverings document on the ITTF website, you would unfortunately contravene a number of rules:

Quote:

Definitions
“ITTF logo” (Regulation 3.2.1.3) is to be used on all authorised racket coverings, and within a frame
for new and changed racket coverings. Ref. C. and D.4. below.
“ITTF number” (Regulation 3.2.1.3) is the unique identification for new racket coverings

I didn't see either of these on your image ?

Quote:

5. The racket covering
The rubber surface of the racket coverings should be uniform and without coating.
The appearance of the racket covering on the blade must be uniform in colour; it is not permitted for
markings on the sponge or the blade to show through.

its not uniform or uniform in colouring ?

Quote:

5 Changes in racket coverings
The ITTF authorisation applies to a racket covering as originally submitted and tested; its subsequent
alteration, by a supplier, a player or anyone else, is not permitted (Law 2.4.7).

I guess you did alter it

Then there is the T9: Racket Control document...

Quote:

Surface Regularity – The racket covering must be flat, continuous, and have a regular
appearance such as in texture and color.

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lasta

Post subject: Re: Is this legal?

Posted: 28 Jun 2018, 21:54

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Hi Medax,

Thanks for the very detailed reply!

Considering Yoshida Kaii puts a large sheet of extra sponge on his black side, would mine be very different?

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lasta

Post subject: Re: Is this legal?

Posted: 28 Jun 2018, 22:01

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BTW this is meant for single-sided penhold, don't intend to hit with it lol.

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keme

Post subject: Re: Is this legal?

Posted: 28 Jun 2018, 23:53

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I think you're good to go and play, as long as the rubber you use is red. Rubber requirement is only for sides used to strike the ball.

Technical Leaflet T4: Racket Coverings wrote:

“Ordinary pimpled rubber” (Law 2.4.3.1) and “Sandwich rubber” (Law 2.4.3.2) can both be
referred to as “Racket coverings”; the rubber, with or without a sponge underneath, used to strike a
ball.
[...]
A thin layer of paint or plastic laminate is permitted on an uncovered non-striking side of the blade, for
the purpose of having a proper red or black side.

So technically, that black sheet needs to be either plastic laminate or paint. You don't specify the type of material you have, and I'm not sure whether other types of covering sheet would be disallowed in practice, on any tournament level. As I see it, you are at least within the intentions of the rule, which should suffice in most contexts.

ITTF Handbook 2018 wrote:

2.4.3 A side of the blade used for striking the ball shall be covered with either ordinary pimpled rubber, with pimples outwards having a total thickness including adhesive of not more than 2.0mm, or sandwich rubber, with pimples inwards or outwards, having a total thickness including adhesive of not more than 4.0mm.
[...]
2.4.4 The covering material shall extend up to but not beyond the limits of the blade, except that the part nearest the handle and gripped by the fingers may be left uncovered or covered with any material.
[...]
2.4.6 The surface of the covering material on a side of the blade, or of a side of the blade if it is left uncovered, shall be matt, bright red on one side and black on the other.

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haggisv

Post subject: Re: Is this legal?

Posted: 29 Jun 2018, 11:31

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Joined: 13 Dec 2006, 12:34
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Blade: Trinity Carbon
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Yes I agree, it should be fine, especially since some penhold blades are manufactured just like this, with cork and black paint, as you mentioned.

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lasta

Post subject: Re: Is this legal?

Posted: 29 Jun 2018, 12:55

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Thanks

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igorponger

Post subject: Re: Is this legal?

Posted: 29 Jun 2018, 14:45

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NOT FOR STRIKING THE BALL ...

Since the black rubber avoiding of any identifying markings, you may not use this black racket side in play.. Sorry.

Yet, there is no objection for this sponge extra-layer to stand there , as it is shown on the picture. Not for striking the ball.

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haggisv

Post subject: Re: Is this legal?

Posted: 29 Jun 2018, 15:18

Dark Knight

lasta wrote:

BTW this is meant for single-sided penhold, don't intend to hit with it lol.

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