Universal Damper made in England

nkaminar

nkaminar

Well-known member
What is this? From what I found it has a thick rubbery substance inside that provides the dampening. No fitting to add oil. I think they were made just after WW II. Seems to work OK. There is a screw in the front to adjust the dampening which I think compresses the material inside.
 

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These shocks are now frozen solid. I will try adjusting them but I think it is a lost cause. There is no fluid inside, just some kind of rubbery material. I will try some oil too. But I think they are destine for the shelf or trash can.

The link that Ruth provided no longer works, but Brattons does not sell anything similar.

Update: Ruth was right, they are Rotoflow, see https://www.oneillvintageford.co.uk/acatalog/rotoflo-a2-shock-absorber-a-18015-rt.html

Someone on a hotrod forum said that the viscus material inside hardens up over time. But that setting them in boiling water will restore the material. I will try that but if they come back to life I will be searching for a new owner. There is someone in England that rebuilds them at a hefty price.
 
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Where available in NZ mid 60.s as replacement shock, 2 sizes, they are great & have a few here , can be polished up as alloy ,
 
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