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Gold Prospecting
Alluvial Gold Prospecting
Dry Blowing vs Winnowing
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<blockquote data-quote="Nightjar" data-source="post: 665660" data-attributes="member: 1414"><p>Regardless of which dryblower you prefer, both have to be set up correctly to be efficient.</p><p>The bellows machine riffle we found worked best set at 21° angle. This came about by using shotgun pellets in feed, when we retrieved all 10 pellets we new the set up was near perfect. From there on machine wasn't altered. What I did with mine was set it up at home on a known level floor. Anchored a two way spirit level to a horizontal frame then set the 21° with the riffle.</p><p>Out bush set up machine with the level centered, then knew the riffle was at correct angle. </p><p>Saw many instances where owners just dragged them to surfaces they wanted to blow, sometimes on a steep slope?</p><p>My original dry blower was a Falcon, manufactured here in Perth. Four of us fed it by hand, an hour at at a time.</p><p>At alater date I built two scaled down models, sold one, so effectively mine was free and lost count of the ozs it found.</p><p>Age caught up with me and swinging a Garrett then later the Minelabs was an easier option than swinging the banjo.</p><p>Sold with some regret, the blower went to a VERY happy prospector.</p></blockquote><p></p>
[QUOTE="Nightjar, post: 665660, member: 1414"] Regardless of which dryblower you prefer, both have to be set up correctly to be efficient. The bellows machine riffle we found worked best set at 21° angle. This came about by using shotgun pellets in feed, when we retrieved all 10 pellets we new the set up was near perfect. From there on machine wasn't altered. What I did with mine was set it up at home on a known level floor. Anchored a two way spirit level to a horizontal frame then set the 21° with the riffle. Out bush set up machine with the level centered, then knew the riffle was at correct angle. Saw many instances where owners just dragged them to surfaces they wanted to blow, sometimes on a steep slope? My original dry blower was a Falcon, manufactured here in Perth. Four of us fed it by hand, an hour at at a time. At alater date I built two scaled down models, sold one, so effectively mine was free and lost count of the ozs it found. Age caught up with me and swinging a Garrett then later the Minelabs was an easier option than swinging the banjo. Sold with some regret, the blower went to a VERY happy prospector. [/QUOTE]
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Gold Prospecting
Alluvial Gold Prospecting
Dry Blowing vs Winnowing
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