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Gold Prospecting
Alluvial Gold Prospecting
Dry Blowing vs Winnowing
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<blockquote data-quote="Moneybox" data-source="post: 665530" data-attributes="member: 3960"><p>The Winnowing would work quite well if you could control the breeze direction and velocity. Both change too much in a short period of time for this to be a reliable recovery method. The dryblower works on the same basic principal plus a bit of extra assistance from vibration. The main difference is that we have total control over the airflow velocity and volume and we can direct it to where our material is passing through. It's still a challenge to try to get the correct air flow vs soil flow. The dryblower is the best we have in desert environments but it's highly inefficient on some particle sizes and soil types.</p></blockquote><p></p>
[QUOTE="Moneybox, post: 665530, member: 3960"] The Winnowing would work quite well if you could control the breeze direction and velocity. Both change too much in a short period of time for this to be a reliable recovery method. The dryblower works on the same basic principal plus a bit of extra assistance from vibration. The main difference is that we have total control over the airflow velocity and volume and we can direct it to where our material is passing through. It's still a challenge to try to get the correct air flow vs soil flow. The dryblower is the best we have in desert environments but it's highly inefficient on some particle sizes and soil types. [/QUOTE]
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Gold Prospecting
Alluvial Gold Prospecting
Dry Blowing vs Winnowing
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