Shackle Springs or Eye to Eye Springs
Shackle springs are also known as eye to eye spring and have an eye on both ends. Used on both single-axle and tandem axle trailers.
The length of the spring and the offset of the spring vary according to tyre size.
Standard spring widths are 45mm and 60mm.
45mm widths are standard for city travelling.
60mm widths used by caravanners for longer country trips.
Rocker roller and standard tandem spring kits and replacements are readily available.
60mm springs are robust and recommended as an excellent investment for trouble-free caravanning.
Load Sharing
Shackle springs used in conjunction with a rocker arm share the entire caravan load across both axles.
Slipper Springs do not have this capability. As a result, the slipper suspension is not conventional on larger tandem trailers.
Importantly, every caravan or trailer should go over a weighbridge before a suspension upgrade.
A balanced rig is essential for a great holiday in the vast outback.
The suspension is an exact science based on your caravan weight. Weight distribution bars solved sway control; however, weight control bars are now old technology.
Sway Control starts with a balanced rig. Tow ball scales are now the first defence again a swaging caravan.
Additionally, tow ball weight scales take the guesswork out of balancing your caravan.
Secondly, once a caravan is balanced electronic sway control by BMPRO completes the installation. Electronic Sway Control constantly guards those stay sway events that occur from time to time. Examples of incidental sway events are:
Passing Trucks
Driving through rock cuttings
Flat tyres
Tyre over the shoulder of the road
Loss of concentration
Inexperienced drivers
If you are upgrading your caravan, these articles are a fantastic source of information.
New Caravans and Weighbridge Certificates.
Truck Trailer Pintle Coupling Scales.
Finally, if you doubt optimising your rig will fix existing problems, give the experts a call at Couplemate. We would love to help you.
Shackle Springs or Eye to Eye Springs