Burgerman wrote:Difficult to find some that are correct.
They must be the correct length. And have the right sprig rate, correct preload, and ideally they would have the right compression and rebound damping. And have the correct fitting at each end. Probably M8 on most powerchairs.
So unless you know all these requirements and get a set specifically built, or find something that is adequate and close enough, then Invacare is likely the best bet.
ex-Gooserider wrote:It might be worth asking if the springs can be changed... If they turn out to be to soft, it might help to change the springs to a stiffer spring rate, or crank up the pre-load...
ex-Gooserider
ex-Gooserider wrote:Looks like a nice job...
Phosphor bronze is actually not a bad choice for a bushing - it's fairly durable, and is often considered 'lubed for life'... I wouldn't change it out absent visible wear...
Lately I use 'Big Bearing House' for my bearings as I find they are the best I can get for SS bearings here in the US... The important thing that you will need to replace your bearings is the 'bearing number', which should be stamped on the sides of the bearings.... If you can't find the number, getting precise size measurements (be careful to tell the difference between inch and metric!) for ID, OD, and thickness, and doing some searching on bearing vendor (or manufacturer) sites will get you a size number....
ex-Gooserider
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