While I could get under the van on the drive I just nipped out and measured the compressed spring length using those heavy duty bad boys mainly to gauge an approximate weight with little to no load in the rear. I'm parked on a slight incline but figured if I know roughly the loading of the empty van I can may be match up a set of springs from Faulkners specific to my setup and avoid the guess work.
I've been using https://www.acxesspring.com/spring-calculator.html to give me some idea of these OEM springs that I temporarily fitted.
The site allows you to test working loads and play around with designing a spring or as in my case aid you in finding the right one for the job on the van from another supplier!
I stuck in the Heavy Duty LWB springs I'd found measuring 230mm / 155mm / 17mm / 4 active coils and from the vans load (albeit at an angle) spring height of 185mm, a compression of 45mm (230 - 185) the site tells me the rear near empty loading is about 3541N or 361.1KG.
Applying the calculated load to the second spring set (255mm / 145mm / 15mm / 3 active coils) tells me the compressed spring length would be 208.5mm and sit slightly higher than the heavier duty set with the current loading.
Next stop the Faulkners website!
I've been using https://www.acxesspring.com/spring-calculator.html to give me some idea of these OEM springs that I temporarily fitted.
The site allows you to test working loads and play around with designing a spring or as in my case aid you in finding the right one for the job on the van from another supplier!
I stuck in the Heavy Duty LWB springs I'd found measuring 230mm / 155mm / 17mm / 4 active coils and from the vans load (albeit at an angle) spring height of 185mm, a compression of 45mm (230 - 185) the site tells me the rear near empty loading is about 3541N or 361.1KG.
Applying the calculated load to the second spring set (255mm / 145mm / 15mm / 3 active coils) tells me the compressed spring length would be 208.5mm and sit slightly higher than the heavier duty set with the current loading.
Next stop the Faulkners website!
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