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Progress report...

I received the fabric from WA and glued that on to the riffle tray with quick grip. After that I taped up the back so I could lay a thin smear of silicone under the riffles to make a dead air area just in front of them to allow the heavies to stay trapped there. I put some sealastrip down on the brackets that the riffle tray sits on to create a nice air tight seal and I am pretty stoked to say its a nice snug fit and no air gaps.

The only thing to do now is make some legs which I will be doing this week. I had to take the following photos while holding it up, camera in one hand, dry blower in the other.....I must have looked like a twit.

Riffle tray
Riffle tray bottom
The whole shebang minus legs

I started the motor up and happy to say my self built fan unit spun and works treat. It creates good vibrations but I am unsure if its enough to do the job. I reckon a bit of tweaking in the field is called for to get the optimum vibe to air flow ratio.

Im getting eager now to get it out but just need that elusive dry dirt.

Cheers

<blockquote data-quote="MJB" data-source="post: 94099" data-attributes="member: 1222">Progress report...I received the fabric from WA and glued that on to the riffle tray with quick grip. After that I taped up the back so I could lay a thin smear of silicone under the riffles to make a dead air area just in front of them to allow the heavies to stay trapped there. I put some sealastrip down on the brackets that the riffle tray sits on to create a nice air tight seal and I am pretty stoked to say its a nice snug fit and no air gaps.The only thing to do now is make some legs which I will be doing this week. I had to take the following photos while holding it up, camera in one hand, dry blower in the other.....I must have looked like a twit. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite7" alt=":p" title="Stick Out Tongue&nbsp; &nbsp; :p" loading="lazy" data-shortname=":p" /> Riffle tray<img src="https://www.prospectingaustralia.com/forum/img/member-images/1222/1407666090_h2940001_640x480.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" />Riffle tray bottom<img src="https://www.prospectingaustralia.com/forum/img/member-images/1222/1407666152_h2940002_640x480.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" />The whole shebang minus legs<img src="https://www.prospectingaustralia.com/forum/img/member-images/1222/1407666206_h2940005_640x480.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" />I started the motor up and happy to say my self built fan unit spun and works treat. It creates good vibrations but I am unsure if its enough to do the job. I reckon a bit of tweaking in the field is called for to get the optimum vibe to air flow ratio.Im getting eager now to get it out but just need that elusive dry dirt.Cheers</blockquote>

[QUOTE="MJB, post: 94099, member: 1222"] Progress report... I received the fabric from WA and glued that on to the riffle tray with quick grip. After that I taped up the back so I could lay a thin smear of silicone under the riffles to make a dead air area just in front of them to allow the heavies to stay trapped there. I put some sealastrip down on the brackets that the riffle tray sits on to create a nice air tight seal and I am pretty stoked to say its a nice snug fit and no air gaps. The only thing to do now is make some legs which I will be doing this week. I had to take the following photos while holding it up, camera in one hand, dry blower in the other.....I must have looked like a twit. :P Riffle tray [img]https://www.prospectingaustralia.com/forum/img/member-images/1222/1407666090_h2940001_640x480.jpg[/img] Riffle tray bottom [img]https://www.prospectingaustralia.com/forum/img/member-images/1222/1407666152_h2940002_640x480.jpg[/img] The whole shebang minus legs [img]https://www.prospectingaustralia.com/forum/img/member-images/1222/1407666206_h2940005_640x480.jpg[/img] I started the motor up and happy to say my self built fan unit spun and works treat. It creates good vibrations but I am unsure if its enough to do the job. I reckon a bit of tweaking in the field is called for to get the optimum vibe to air flow ratio. Im getting eager now to get it out but just need that elusive dry dirt. Cheers [/QUOTE]

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