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Gold Prospecting
Do It Yourself (DIY) Projects
3D printed battery upgrade for TDI-SL
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<blockquote data-quote="waxitman" data-source="post: 438530" data-attributes="member: 13427"><p>Hello all. I'm new to prospecting and first forum post. I've been lurking here for a while though.</p><p></p><p>My plan is to 3D print a battery cartridge for my tdi which will allow a cordless drill 18v Li-ion battery to clip on below the control box. Inside the battery compartment will be a cheapo buck down converter set at ~16v and an led voltmeter. This is to improve performance, run time and I think the balance will be better also. Mine is slightly heavy at the coil end with the MJD 8x12 which came with it. I'd also like to run a larger coil once I start to find some yellow. The heavier battery should improve this somewhat.</p><p></p><p><img src="https://www.prospectingaustralia.com/forum/img/member-images/13427/1536626845_1536626767958189.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>My question is will the buck down converter and volt meter create electrical noise being so close to the circuits of the detector? One more thing, how much can I safely discharge my Li-ion batteries? Would 80% (20.8v down to 16.6) from full charge be safe for long term use?</p><p></p><p>If successful I will post .stl files and bom here for others to use. I'm also working on a design for a hand pump (65mm PVC with dual check valves and hose to bucket)for those who like to get their hands wet <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big Grin :D" loading="lazy" data-shortname=":D" /> The .stl and bom for that will also appear here if it works out.</p><p></p><p>Thanks for your time and comments.</p></blockquote><p></p>
[QUOTE="waxitman, post: 438530, member: 13427"] Hello all. I'm new to prospecting and first forum post. I've been lurking here for a while though. My plan is to 3D print a battery cartridge for my tdi which will allow a cordless drill 18v Li-ion battery to clip on below the control box. Inside the battery compartment will be a cheapo buck down converter set at ~16v and an led voltmeter. This is to improve performance, run time and I think the balance will be better also. Mine is slightly heavy at the coil end with the MJD 8x12 which came with it. I'd also like to run a larger coil once I start to find some yellow. The heavier battery should improve this somewhat. [img]https://www.prospectingaustralia.com/forum/img/member-images/13427/1536626845_1536626767958189.jpg[/img] My question is will the buck down converter and volt meter create electrical noise being so close to the circuits of the detector? One more thing, how much can I safely discharge my Li-ion batteries? Would 80% (20.8v down to 16.6) from full charge be safe for long term use? If successful I will post .stl files and bom here for others to use. I'm also working on a design for a hand pump (65mm PVC with dual check valves and hose to bucket)for those who like to get their hands wet :D The .stl and bom for that will also appear here if it works out. Thanks for your time and comments. [/QUOTE]
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Gold Prospecting
Do It Yourself (DIY) Projects
3D printed battery upgrade for TDI-SL
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