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Farm Machinery
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Correct Spraying Rate on a small sprayer
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<blockquote data-quote="Kidds" data-source="post: 7670982" data-attributes="member: 5589"><p>To be honest I can't imagine any sensible person to realistically expect those sprayers to last 5 years nor would they be the type of operators that would be working at an expected 10% error. Their own miscalculations and misunderstanding of how to calculate in the first place will be give more than 10% error.</p><p>Might sound harsh but loads of posts on here of professional farmers asking how much chemical to put in a sprayer to do two fields. No idea how much water the sprayer holds, no idea of sprayer output or even a realisation it can vary or matter, no idea of tractor speed and no more idea of area of the fields other than some random thing like "well I put two bags on the first one each year and the other is about three rounds more but gives less bales most years"</p><p></p><p>Those cheap sprayers are plenty accurate enough and will do a good job as they are as long as you know how to use one. Nothing particularly difficult about it either, in your own words you have found a solution for a problem that doesn't really exist.</p><p></p><p>Go and build me a cheap PU realtime monitor for in bottle pasteurising with multiple senders wifi or bluetooth linked to a central datalogger/monitoring device. Make sure it has alarms that operate on various settings, ie. 60PU to 1000PU.</p><p>PU = (time in minutes) x 1.393 exp(T-60), where T is the temperature in Celsius.</p></blockquote><p></p>
[QUOTE="Kidds, post: 7670982, member: 5589"] To be honest I can't imagine any sensible person to realistically expect those sprayers to last 5 years nor would they be the type of operators that would be working at an expected 10% error. Their own miscalculations and misunderstanding of how to calculate in the first place will be give more than 10% error. Might sound harsh but loads of posts on here of professional farmers asking how much chemical to put in a sprayer to do two fields. No idea how much water the sprayer holds, no idea of sprayer output or even a realisation it can vary or matter, no idea of tractor speed and no more idea of area of the fields other than some random thing like "well I put two bags on the first one each year and the other is about three rounds more but gives less bales most years" Those cheap sprayers are plenty accurate enough and will do a good job as they are as long as you know how to use one. Nothing particularly difficult about it either, in your own words you have found a solution for a problem that doesn't really exist. Go and build me a cheap PU realtime monitor for in bottle pasteurising with multiple senders wifi or bluetooth linked to a central datalogger/monitoring device. Make sure it has alarms that operate on various settings, ie. 60PU to 1000PU. PU = (time in minutes) x 1.393 exp(T-60), where T is the temperature in Celsius. [/QUOTE]
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Correct Spraying Rate on a small sprayer
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