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Callaway Unveils Big Bertha Fusion Irons


Updated October 18, 2004
The latest set of irons from Callaway Golf, the Big Bertha Fusion irons, is, the company says, "the most untraditional traditional-looking irons" on the market.

The Big Bertha Fusion irons incorporate Callaway's weight-shifting "Fusion Technology" to create extreme perimeter weighting, but in an iron that the company says maintains a very traditional appearance.

In addition to the Fusion Technology, the Big Bertha Fusion irons incorporate other futuristic-sounding components: a proprietary "Tunite alloy cradle," a lightweight titanium face insert, and a "TPU SenSert."

All that technology leads to a set whose suggest retail price is well over $1,000. Callaway is betting that golfers won't mind the price when they see the results.

The Tunite alloy cradle is made from a Callaway-engineered, new, patented alloy (Tunite) that is ultra-dense and allows 77-percent of the clubhead mass to be repositioned to the perimeter of the head. This extreme perimeter weighting creates very high Moments of Inertia (MOI), which help keep the clubhead stable and resistant to twisting, even on shots hit near the toe or heel.

The super lightweight, 6-4 titanium face insert is strong and 35-percent lighter than a comparable steel face. This extra weight taken out of the face is distributed around the perimeter of the clubhead to create what Callaway calls "the most extreme perimeter weighting of any iron Callaway Golf has ever made."

The "TPU SenSert" is an exclusive, chemically engineered thermoplastic urethane component in the back cavity of the iron. It works in tune with the clubface to reduce vibration at impact and give shots a crisp sound and responsive feel.

The result, Callaway says, is a traditional-looking iron chock full of non-traditional technology, one that has a reassuring appearance but also provides the benefits of an oversized, game-improvement iron.

Big Bertha Fusion Irons are available in graphite or steel shafts. The standard graphite shaft is the RCH 75i, available in light, regular and firm flexes; the RCH 85i is a strong flex; and the RCH 45i is designed for women golfers. The standard steel shaft is the Nippon 990 Uniflex. Left-handed versions of the Big Bertha Fusion Irons will be available in early 2005.

Big Bertha Fusion Irons will be available at authorized Callaway Golf retail locations in November; offerings include a 2-iron through 9-iron and pitching (46 degrees), approach (50 degrees), sand (56 degrees) and lob (60 degrees) wedges. The standard set configuration will be 3-iron through pitching wedge, with a manufacturer's suggested retail price of $1,280 for steel-shafted clubs and $1,520 for graphite-shafted clubs. Individual irons will carry an MSRP of $190 for graphite and $160 for steel shafts.

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