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Outdoor & Recreation
Campers, Vans & 4WD's
GVM issues in tow vehicles
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<blockquote data-quote="condor22" data-source="post: 480823" data-attributes="member: 1932"><p>Les, </p><p></p><p>I do it slightly different, so that I only do one trip. I tow the van to the weighbridge. </p><p></p><p>1. Car front axle. (with van) = FA</p><p>- Drive FWD</p><p>2. Car both axles (with van) =GVM with van</p><p>- Drive FWD</p><p>3. Car and van, all axles = GCM</p><p>4. Then I find a spot, disconnect and drive the car onto the weighbridge and get its GVM without the van. (Here you could do a front axle weight as well)</p><p></p><p>Then it's a bit of Math</p><p></p><p>Rear axle load with van = item 2 minus item 1</p><p>Ball Weight = item 2 minus item 4</p><p>Van GTM = item 3 minus item 2</p><p>Van ATM = GTM + Ball weight</p><p></p><p>If you do a front axle load at item 4, you can again calculate both axles and total GVM, so you have data with and without the van and can see the effect on both axles with and without the van.</p><p></p><p>*** Depending on how busy the weighbridge is, I've lined it up, put the car on and done items 1 & 2. Then fit the jockey and raise enough to be off the car and weighed item 4.</p><p>Then lowered the van, removed the jockey and driven FWD to do item 3. One trip and easy to do van/no van <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p></blockquote><p></p>
[QUOTE="condor22, post: 480823, member: 1932"] Les, I do it slightly different, so that I only do one trip. I tow the van to the weighbridge. 1. Car front axle. (with van) = FA - Drive FWD 2. Car both axles (with van) =GVM with van - Drive FWD 3. Car and van, all axles = GCM 4. Then I find a spot, disconnect and drive the car onto the weighbridge and get its GVM without the van. (Here you could do a front axle weight as well) Then it's a bit of Math Rear axle load with van = item 2 minus item 1 Ball Weight = item 2 minus item 4 Van GTM = item 3 minus item 2 Van ATM = GTM + Ball weight If you do a front axle load at item 4, you can again calculate both axles and total GVM, so you have data with and without the van and can see the effect on both axles with and without the van. *** Depending on how busy the weighbridge is, I've lined it up, put the car on and done items 1 & 2. Then fit the jockey and raise enough to be off the car and weighed item 4. Then lowered the van, removed the jockey and driven FWD to do item 3. One trip and easy to do van/no van :) [/QUOTE]
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Outdoor & Recreation
Campers, Vans & 4WD's
GVM issues in tow vehicles
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