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<p>[QUOTE=&quot;Clawcoins, post: 3392039, member: 77814&quot;]I would predict that your scale device has an accuracy rate well below 50%, with a high probably that it is below 10%.&nbsp; And, it actually doesn&#039;t give you a weight, just a comparison with 90% inaccuracy+/-. FYI, the thread is creating a directional tension on the chopsticks, probably taking your accuracy well below 10%</p><p><br /></p><p>You can do steps to improve the accuracy for weight comparisons .. but truthfully ... something like this can greatly improve your weighing technique, and accuracy.</p><p><a href="https://www.amazon.com/gp/product/B0731F3F2N/ref=ppx_yo_dt_b_asin_title_o01_s00?ie=UTF8&amp;psc=1" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://www.amazon.com/gp/product/B0731F3F2N/ref=ppx_yo_dt_b_asin_title_o01_s00?ie=UTF8&amp;psc=1" rel="nofollow">https://www.amazon.com/gp/product/B0731F3F2N/ref=ppx_yo_dt_b_asin_title_o01_s00?ie=UTF8&amp;psc=1</a></p><p>[ATTACH=full]901102[/ATTACH]</p><p><br /></p><p>for instance, instead of using the spool as the lever, you be better off just putting it on it&#039;s side so it&#039;s flat. </p><p>get a round chopstick and cut off a section about an inch long.&nbsp; Glue that to the middle, top of the spool.</p><p>then take your 3 chopsticks; chop off the end that are pointed.</p><p>Then glue the 3 chopsticks together removing the rubber bands. The rubber bands can move thus throwing off the center balance.</p><p>With that, you can then balance the 3 chopsticks on the one round one glued to the top of the spool.&nbsp; With a balanced, mark that segment.</p><p>Then carve out a little underneath it to provide a perfectly round concave segment to balance on the round chopstick.&nbsp; If it&#039;s not perfectly round concave section then just don&#039;t do it, as that can unbalance the chopsticks.</p><p>At least it&#039;s marked, and you can place it on the chopstick.</p><p><br /></p><p>Now the only problem is you have to place each cent in the EXACT same location each time you put it on the ends.&nbsp; A millimeter off either way will cause imbalance.</p><p><br /></p><p>you will have to create a process, say doing it 100 times and throwing out the top 20 and bottom 20 to determine a good factor for accuracy because of this.</p><p><br /></p><p>you can buy 2 brand new cents and use those as a standard weight to find the balance location on your comparison scale.</p><p><br /></p><p>Good luck.</p><p>or just buy a scale.[/QUOTE]</p><p><br /></p>

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