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3 to 4 blade

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Old 12-28-2018, 02:47 PM
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Default 3 to 4 blade

Can the size of my present ssm3 - 3 blade (18x36) give me an indication of what 4 blade to buy?
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Old 01-02-2019, 03:13 PM
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General rule of thumb is to go down .5" in diameter to 17.5x36.
Depending on your results another .25" or so might be able to be removed after testing.

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