The New White Board: Mitsubishi’s Diamana W-Series shaft
Mitsubishi Rayon’s new Diamana W-Series shaft is the third generation of the company’s “White Board” shaft, a low-launching, low-spinning model that has been extremely popular with pros and amateurs since its launch in 2006.
The most notable difference between the W-Series and its predecessor, Mitsubishi’s Diamana ‘ahina shaft, is the shaft’s stiffer butt section. That area of the shaft was reinforced with a special material made by Mitsubishi’s parent company, Mitsubishi Chemical, called Dialed. Dialed (also known as “pitch” fiber) is a high-modulus carbon fiber that’s about twice as strong as standard golf shaft materials.
According to Tsutomu Ibuki, president of Mitsubishi Rayon, Dialed increases the consistency of the W-Series shaft and adds a more stable feel. But there’s also a performance benefit.
“The modulus is kind of a spring,” Ibuki said. “The modulus is higher, so it’s a stronger spring.”
More “spring” means more ball speed, and if the W-Series is a good fit for a golfer’s swing and launch conditions, it also means more distance.
Golfers currently playing the ‘ahina are likely to see a higher launch and slightly more spin from the W-Series due to its slightly softer tip, a design change prompted by today’s extremely low-spinning driver heads. That puts the launch and spin characteristics of the W-Series closer to the design of the original White Board shaft, the D-Series, which is still used by several of the world’s top golfers including Tiger Woods.
Like Mitsubishi’s third-generation “Blue Board” shaft, the Diamana B-Series, the W-Series shaft has the company’s “Tough-Qure” technology in the tip section, a resin system that reduces the tip’s deformation during the swing.
The Diamana W-Series shafts will hit stores on Oct. 7 and will carry an MSRP of $400. It will be available in 50-, 60- and 70-gram model, all in R, S and X flexes.