Quote:
Originally Posted by Swell rharris,
I have what is called parabolic leaf springs on my boat trailer. They are a single, tapered leaf spring that is galvanized.
Mine are rated at 500kg(1100lbs) each, but they do come in other sizes. Because they are a galvanized single leaf spring they don't rust. My trailer is 4 years old and is put in sea water at least once a week and the springs still look new.
Here's a link: http://www.alko.com.au/vehicle/springs/parabolic.html
I hope this helps,
Swell. |
I do not understand why the US market has not embraced the single tapered spring. The spring does not have to slide against other springs like in a leaf spring pack so a little surface rust does not hurt, they are easily cleaned and painted/oiled, inexpensive, etc.