Camber Adjuster Failure Warning!!!

[davidimurray]

As a further bit of interest for this - I've done a graph comparing the bump loads that the Locost and Haynes sees. The actual values don't really matter, but i've taken a 35kg unsprung mass combined with a 5g bumpload. As you can see from the graph - both designs see the same loads - but becuase of the angle that the camber adjuster is at in the Haynes design - the load curve is shifted along - meaning that the ulitmate load seen by the Haynes trying to pull the adjuster out is 17% greater than that on the locost.

[AshG]

david you come to exactly the same conclusion as me. i think its safe to say the RD rd camber adjusters are not suitable for the Haynes Roadster suspension design.

[Bonzo]

Well done David

A very nice bit of research work on your behalf

The infomation you have provided has made things a lot clearer in my mind & yes I agree, it would appear that the camber adjuster in question is probably not suited for use on the Roadster .

Thanks for taking the time to look into the matter mate

[gus]

So are you saying that the principal of the quick adjuster is a complete no go, or if the adjuster was made from a different material would it be suitable?

Any advice appreciated, as I have just made a set for a friend, who asked me to incorporate the RD adjuster. If they are not suitable, I would rather change them now.

Thanks

Gus

[Blade]

I've just read this thread and it is quite shocking to see what has happened to ash's adjuster(happy NOT to hear about an accident) but could it be that it was just a duff adjuster , I've used this sort of set-up before on my rally cars on tarmac and in the forest and never had one fail on me, also how many other people are using them with no problems at all ? Just a thought.

[flyerncle]

Change of material for the adjuster and design of tube it sits in to provide a stop to prevent it coming out and thankfully this has been brought to the attention of all without a major disaster and loss to Ash.

Could it be the angle of danglement of the bush on the wishbone playing silly beggars with the adjuster? Reason I ask is the GTS jobs were done 6 or 7 years ago with that bush straight as per the locost, I did the first GTS car(long story) and farted about for hours and couldn't see why folk angled that bush when using sierra uprights as the track rod end is supposed to work at nutty angles. And to me it kinda looked wrong as for working out suspension geometry you use the centres of pivots and ball joints and with the angle bush it looked like it would bend.....Just my views on it by the way and there are lots out there being used and used hard on race tracks with no drama.