Rf97a v11 different handle molds?

[tennisnubby]

I have 3 rf97a v11s .. bought them over the years as new ones. I opened up the butt cap and noticed all 3 have different handle molds inside.. is this expected? One has two squares, one has a larger and smaller square and another one has a 5sided box ... please the photos..
I don’t see major difference in playability... Wilson experimented with different designs?

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[moon shot]

I have 3 rf97a v11s .. bought them over the years as new ones. I opened up the butt cap and noticed all 3 have different handle molds inside.. is this expected? One has two squares, one has a larger and smaller square and another one has a 5sided box ... please the photos..
I don’t see major difference in playability... Wilson experimented with different designs?

CFC30-D4-D-D1-C4-45-C0-98-A9-7-D40-DEDA6-B04 hosted at ImgBB

Image CFC30-D4-D-D1-C4-45-C0-98-A9-7-D40-DEDA6-B04 hosted on ImgBB

ibb.co

E98-FFC41-B445-45-B7-B6-AF-58-CC148428-DD hosted at ImgBB

Image E98-FFC41-B445-45-B7-B6-AF-58-CC148428-DD hosted on ImgBB

ibb.co

4-E8-BB0-D5-7-D1-B-4586-9675-0-AFF28-AE9212 hosted at ImgBB

Image 4-E8-BB0-D5-7-D1-B-4586-9675-0-AFF28-AE9212 hosted on ImgBB

ibb.co

when a racquet is made a carbon tube is shaped into the mould of a racquet, a tube inside inflated, and baked. The two models with the rectangle possibly came from the same mould. The two inner shapes are the ends of the carbon tube.

The octagon is a different mould for at least the handle area. Wilson has a history of making the graphite inside the handle in a variety of methods, I could only speculate what the advantages might be.

 

[moon shot]

Also, I found this yonex video to be educational as to how frames are made

 

[tennisnubby]

when a racquet is made a carbon tube is shaped into the mould of a racquet, a tube inside inflated, and baked. The two models with the rectangle possibly came from the same mould. The two inner shapes are the ends of the carbon tube.

The octagon is a different mould for at least the handle area. Wilson has a history of making the graphite inside the handle in a variety of methods, I could only speculate what the advantages might be.

Hope the racquets are legit then, I worried whether one of them may be a counterfeit one.
I saw the silicone only on one of the side/box in Nadal’s racquet too in YouTube. Not sure how that impact the playability. Some secret sauce?

 

[tennistiger]

That depends on how the pressure tubes "work" during molding process. Normally both tubes have the same pressure and Position, that means the Bridge is in the middle. Often pressure is not the same or the tubes slip, then the Bridge moved from the middle to one side. But only towards the end of the handle.

 

[TennisHound]

RF97A Version 11?