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"We''re seeing opportunity in all these markets, as opposed to aerospace, which is already well served," Thorne said. Coastcast is probably the largest U.S. producer of titanium club heads today. Last year, it delivered about 1.25 million finished heads to various club manufacturers, down somewhat from the previous year. Despite the exodus of casting overseas, Bryan Rolfe, vice president of sales and business development, said Coastcast (which also produces stainless steel heads) was "absolutely" committed to maintaining its role in North America and was working to "wring the labor out" of its cost structure.

There''s a shovel of dirt lurking on many farms that threatens to cost thousands of dollars in equipment repair and downtime. And it''s hiding in a place most farmers will never look. That place is inside their diesel storage tanks where mismanagement and misunderstanding have allowed the threat to grow.Last summer, Successful Farming magazine worked with petroleum experts from Country Energy LLC, a regional fuel supplier formed by Farmland Industries and Cenex Harvest States, and employees of the Andale Farmers Co-op, Andale, Kansas, to help make farmers aware of this threat. We shared the $110 cost of sampling and cleaning diesel storage tanks on 20 farms in south central Kansas. Though stored gasoline also gets dirty, we didn''t include it because fewer engine problems result.

Danger comes from the fact that centrifugal force does not increase in direct proportion to an increase in speed, but instead it increases as the square of that speed increase. When rotational speed doubles, centrifugal force quadruples. This effect means that relatively small changes in speed can produce significant increases in force. In the example mentioned, changing from 6,600 rpm to 7,700 rpm multiplies the speed by 1.167. However, the corresponding centrifugal force would multiply by a factor of 1.167 x 1.167, or 1.36. To take a more extreme example, zooma consider the same wheel with a maximum safe operating speed of 6,600 rpm run on a 5-inch right angle grinder at 10,000 rpm. This represents an over-speed of about 1.5 times the wheel''s designed speed. But the corresponding centrifugal force-and the corresponding rotational stress on the wheel-would be about 2.3 times as much as the maximum allowed.