Thread: Discussion IOM General Discussion
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Old Oct 16, 2012, 12:52 PM
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Joined Jul 2011
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Hi Jim,

There are several choices of drum diameter. A large diameter (like the 42) moves the line quickly for fastest sheeting. The compromise is less resolution for each increment. A small dia drum, like the 28mm, needs more revolutions (more time) to move the sheet, but give more force and more resolution.

The winch is plenty strong to handle the larger drum. I like to use the 32mm as a compromise between speed and resolution.

If you are planning to buy a new drum, Rob makes a deep drum and well as the standard, and I like the deep ones.

He also makes spiral drums which vary the line travel as you approach close hauled, giving exponential slower response and more resolution approaching close hauled and coarser movement towards full out. He also makes self tensioning drums, but I have no experience with either spiral or self tension.

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