Aerotech Ti-Fiber Driver Shaft Review
By Russ Ryden, Fit2Score, A Dallas Fort Worth Club Fitter & Club Maker
The Golf Center at the Highlands, Carrollton Texas
Aerotech steel fiber iron shafts are the only graphite shaft that have been consistently played on the tours. The shaft is unique, a thin steel wire is wrapped over a filament wound graphite core. The filament wrapping process, done correctly, creates inherently round shafts by eliminating any possibility of a sheet overlap that can occur in sheet wrapped designs. Until now, this design was limited to iron, hybrid and fairway shafts. Steel is heavy compared to graphite. Too heavy to produce a long driver shaft in the common weight ranges. That problem was overcome in the Aerotech Ti-Fiber driver shaft by using Titanium wire in place of steel.
Listen to Chris Hilleray, the owner of Aerotech explain the shaft at the 2018 PGA Merchandise show.
The TI-Fiber driver shafts wrap a braided titanium wire over a filament wound carbon fiber core. This process is explained in greater detail on the Aerotech website and explained in the Aerotech SteelFiber constant weight taper shafts review.
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Enjoy and Good Golf,
Russ
When I looked at email this morning there was an announcement from Oban that the AirBurst shaft is now available. I called Ralph for review samples and he told me the protos I had measured last year were the final versions. Much to my delight I was not going to have to spend a half day measuring shafts for the knowledge base and this review. When the TaylorMade M3 arrived in January it went into my bag. Over the last few months I have played a number of 50 gram shafts. The AirBurst was in the bag last month and between storms and cold weather it got played for a few rounds.
The KuroKage XD has a dual wrap of Titanium Nickel prepreg in the tip as you can see in this image. Titanium Mickel (TiNi) is an elastic wire that immediately springs back to its original shape when stretched. It is used to increase the tip stability of the shaft. If a single wrap is good, as illustrated by multiple PGA Tour wins, Then a double wrap should be better. This is one of an array of that tip reinforcements used by Mitsubishi Chemical. The 
The Project X EvenFlow line was designed for the mid swing speed range golfer. The Red is the third shaft in the series. The EvenFlow 
Following the success of the 
The price of premium golf shafts is no longer bound by the $360 ceiling that has been in place for the last few years. Mitsubishi, Oban, TPT and now Fujikura are producing a new generation of shafts and pricing them appropriately to cover the cost of the high density prepreg use in the shafts. The Fujikura Jewel Speeders have full length 90 ton fabric and 
X-Series continues to push the limits of golf shaft performance by taking a spare no expense approach to materials, design and innovation. The new Diamana
Now that we have the fifth generation of the Speeder Evolution one wonders if this was a marketing strategy planned at the beginning or that evolved over the years. The fundamental design has not changed,a good thing. Along the way there were subtle tweaks.
TPT Golf is a division of a Swiss technology and composite firm that developed carbon fiber materials. They have produced America’s Cup yacht sails, lightweight racing car bodies, skis, snowboards, watch bodies, aircraft parts and satellite parts. They offered their prepreg to shaft companies and was told it was too expensive. Their only choice to enter the golf market was to make their own shafts. Their ultra premium shafts quickly appeared in the bags of several marque PGA players.
Tin Ply Technology (TPT) shafts have double the layers of material found in typical ultra premium shafts. They are wrapped on the mandrel on CNC winders. Most other shafts are hand rolled, much like cigars. TPT makes the prepreg ribbon and can orientate the fiber direction in the ribbon. That creates a uniquely new method of creating golf shafts. They can adjust shaft properties in unique ways to adjust shaft performance. I have been to the Swiss R&D site demonstrating the process of EI measurement with my instrument and software.
