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Farm Machinery
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Self Built Central Tyre Inflation System
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<blockquote data-quote="Andrew" data-source="post: 5107862" data-attributes="member: 93"><p>As said, get your outfit over a weighbridge when it’s ready for the road, and again when it’s loaded for the field, and again empty in field.</p><p></p><p>If my fag packet calculations are correct you’ll have just under 1100 ltrs of air per tyre at 14psi. </p><p>2400 ltrs of air at 30psi. </p><p></p><p>So to do all 4 tyres you’d need 5200ltrs of air. </p><p>Thats around a dozen 60 ltr trailer air tanks charged to 116psi (8bar). </p><p></p><p>If you only need to pump tyres up when you’ve finished a job I guess 10mins to load loadall up and chain down etc. At a guess, tractor will put out ~3000 ltrs of air in that 10 mins depending whats its revving at. </p><p></p><p>For my project I only need 3000ltrs, but I need it in 30s!</p><p>Tractair do a 4000ltr / min hydraulic drive screw compressor but it’s a lot of money - anyone know a cheaper source. </p><p></p><p>Of course this is early Sunday morning calcultions so I could be completely wrong.......</p></blockquote><p></p>
[QUOTE="Andrew, post: 5107862, member: 93"] As said, get your outfit over a weighbridge when it’s ready for the road, and again when it’s loaded for the field, and again empty in field. If my fag packet calculations are correct you’ll have just under 1100 ltrs of air per tyre at 14psi. 2400 ltrs of air at 30psi. So to do all 4 tyres you’d need 5200ltrs of air. Thats around a dozen 60 ltr trailer air tanks charged to 116psi (8bar). If you only need to pump tyres up when you’ve finished a job I guess 10mins to load loadall up and chain down etc. At a guess, tractor will put out ~3000 ltrs of air in that 10 mins depending whats its revving at. For my project I only need 3000ltrs, but I need it in 30s! Tractair do a 4000ltr / min hydraulic drive screw compressor but it’s a lot of money - anyone know a cheaper source. Of course this is early Sunday morning calcultions so I could be completely wrong....... [/QUOTE]
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Self Built Central Tyre Inflation System
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