boetboer Guest Jul 29, 2004 #1 Open up the concave and_or slow down the rotor slightly, methinks. I've found that relatively open sieves with lots of wind works better, you don't lose as much as you might think and the sample is that much better.
Open up the concave and_or slow down the rotor slightly, methinks. I've found that relatively open sieves with lots of wind works better, you don't lose as much as you might think and the sample is that much better.