Big Bertha (golf club)
The original Big Bertha driver was launched in 1991. At the time, its design was considered highly modern and a radical departure from older drivers: it was crafted entirely of stainless steel and the head had a volume of 190 cm3 (12 cu in). Most other drivers were still made of persimmon wood and had smaller heads. (By way of comparison, many drivers of recent years have head sizes up to the USGA legal maximum of 460 cm3 (28 cu in) and are made of more exotic materials such as titanium.)
Since the introduction of the original Big Bertha, Callaway has introduced further clubs and lines of clubs with similar names, such as the "Great Big Bertha", the "Biggest Big Bertha", and titanium versions of the clubs. In 2003, they introduced the "Great Big Bertha II," and in 2004, the "Big Bertha 454." They have also introduced two lines of irons using the name.
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- Sauerhaft, Rob (March 5, 2009). "Callaway Big Bertha Diablo Driver". Golf Magazine. Retrieved November 25, 2011.
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- Swift, E.M.; Yaeger, Don (July 14, 2003). "Pssst... Wanna Buy Some Clubs?". Time Magazine. Retrieved November 25, 2011.
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