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Originally Posted by hunton69
Guess they are a modified lorry seat. What kind of corrosion protection is there.
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Yes, I think that was their original market but the company I bought them from have fitted them to RNLI boats for a few years. They had a failure, I don't know how many units, but, apparently, if the boat lands very hard on it's side, it's possible for the suspension frame to bend sideways. This was on the spring type bases not the air spring.
The only protection for the metal is paint though the whole under seat unit is within a big, square gaiter.
In terms of suspension performance, the mechanical seat appears to be as good as the air one. The air one uses a pump so that you can set the shape and fimness of the various shaping pads within the seat. The pump also sets the firmness of the suspension. So the air one needs a power supply and I'd guess it wouldn't last long if it got submerged. Mine is in a cabin.
The mechanical one uses a big hand wheel, which is calibrated, to set the firmness of the suspension.
I use mine with a 4 point harness which I also rate highly. You don't get flung around and you don't have to hang onto the wheel to stay put. It allows you to get on with steering and throttling. The harness is attached to the seat so the tension stays ok.
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Do you think they could work in a race boat.
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I don't see why not but I dunno so I'm not going to commit myself by saying yes.