Forums
New posts
Search forums
What's new
Articles
Latest reviews
Author list
Classifieds
Log in
Register
What's new
Search
Search
Search titles and first posts only
Search titles only
By:
New posts
Search forums
Menu
Log in
Register
Install the app
Install
Forums
Rifles, Reloading, Optics, Equipment
Reloading
Looking to upgrade my balance, suggestions?
JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.
You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an
alternative browser
.
Reply to thread
Message
<blockquote data-quote="boomtube" data-source="post: 288280" data-attributes="member: 9215"><p>"where the paddle gets pulled over to one side and rubs as it passes through the magnets...."</p><p> </p><p>Milianuk, okay, I see what you mean...I think. But, allowing the dampening padddle (that little copper plate that moves between the magnet's poles) to RUB against anything is simple contact friction, if not blocking, and not a part of the magnetic effect at all. We shouldn't allow that contact to exist. Seems IF the paddle is rubbing it won't be because it was "pulled", it will be because we pushed it so far that it contacts the body. Which would be the user's fault, not the scale's!</p><p> </p><p> </p><p> </p><p>"It may not be magnetic, but most materials (even air) have some degree of reluctance (magnetic resistance)...thats how its able to function as part of the dampening system in the first place."</p><p> </p><p>I disagree. Reluctance effects rise from internal eddy currents that occur when a conductive object (that little copper plate on the beam again) passes through a magnetic field. And, that effect ONLY exists while the beam is moving, it has zero effect on the scale when the beam stops. No non-conductive material (that is, no insulator), including air, can develop such eddy counter currents, so no counter field can occur. Meaning no insulator of any kind can experience any reluctance effect when moving through a magnetic field. ???</p><p> </p><p> </p><p>Nor is static a scale problem, as some have suggested. Our scales are made of materials that don't develop (significant) static charges. And the nature of the materials does make a difference; we can easily produce a static charge on a dry sheet of paper but we cannot produce a static charge on a sheet of damp paper because wet paper is a poor insulator. Nor can we produce any relivant static charge on the beam's components, including the pan.</p><p> </p><p> </p><p>Not that all this may matter to anyone but you and me! I only take the time to discuss these things because I see on the net that some folks believe magnets have some strange and magic effects that detract from the accuracy or sensitivity of beam scales and choose to get a really quirky digital instead. That's bad choice, IMHO. <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" /></p></blockquote><p></p>
[QUOTE="boomtube, post: 288280, member: 9215"] "where the paddle gets pulled over to one side and rubs as it passes through the magnets...." Milianuk, okay, I see what you mean...I think. But, allowing the dampening padddle (that little copper plate that moves between the magnet's poles) to RUB against anything is simple contact friction, if not blocking, and not a part of the magnetic effect at all. We shouldn't allow that contact to exist. Seems IF the paddle is rubbing it won't be because it was "pulled", it will be because we pushed it so far that it contacts the body. Which would be the user's fault, not the scale's! "It may not be magnetic, but most materials (even air) have some degree of reluctance (magnetic resistance)...thats how its able to function as part of the dampening system in the first place." I disagree. Reluctance effects rise from internal eddy currents that occur when a conductive object (that little copper plate on the beam again) passes through a magnetic field. And, that effect ONLY exists while the beam is moving, it has zero effect on the scale when the beam stops. No non-conductive material (that is, no insulator), including air, can develop such eddy counter currents, so no counter field can occur. Meaning no insulator of any kind can experience any reluctance effect when moving through a magnetic field. ??? Nor is static a scale problem, as some have suggested. Our scales are made of materials that don't develop (significant) static charges. And the nature of the materials does make a difference; we can easily produce a static charge on a dry sheet of paper but we cannot produce a static charge on a sheet of damp paper because wet paper is a poor insulator. Nor can we produce any relivant static charge on the beam's components, including the pan. Not that all this may matter to anyone but you and me! I only take the time to discuss these things because I see on the net that some folks believe magnets have some strange and magic effects that detract from the accuracy or sensitivity of beam scales and choose to get a really quirky digital instead. That's bad choice, IMHO. :D [/QUOTE]
Insert quotes…
Verification
Post reply
Forums
Rifles, Reloading, Optics, Equipment
Reloading
Looking to upgrade my balance, suggestions?
Top