"William Andersen" wrote in message
news:qj6Uf.29$pV4.17@dukeread03...
Wouldn't even consider it.
If it was practical, someone would have done it.
I want to buy a trailer I can trust - not an experiment.


Granted, it would be an experiment, and my post was unencumbered by the
research process.
However, here are some folks who are experimenting, and seems they've
discovered some
added benefits. It'll take awhile to trickle down to small trailers,
though.

Lifted from
http://trailer-bodybuilders.com/mag/...es_ror/index.h
tml :

Composite springs have a number of desirable attributes. They are very
light, weighing about a quarter that of steel. Typically a three-leaf steel
spring for a 9-tonne (20,000-lb) axle weighs 34 kg (75 lb), while an
equivalent composite spring has one leaf and weighs less than 8 kg (16 lb).
This translates to a total vehicle weight saving of 156 kg (344 lb) on a
three-axle bogie.

Composite springs have a damping factor 200 times that of steel, which
benefits ride and handling, and they also generate significantly less noise.
They last between 1½ to five times as long as their steel equivalents. If
failure occurs, it takes the form of gradual de-lamination rather than a
sudden fracture, allowing the vehicle to reach its base.

The ROR composite spring installs exactly like a steel spring, but performs
more like an air spring. Its ride characteristics are similar to an air
suspension. The composite spring's low dynamic load coefficient - the factor
that determines road damage - qualifies it as equivalent to an air
suspension and therefore as "road friendly" as air. Currently, however, EEC
"road friendly" legislation specifies air suspensions.

End of quote.

Of course, no cost mentioned.
I know my boat would like it better with a trailer suspension that's more
like an air-ride suspension.

"Chip"