Adjusting Elastomer shock damping
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Adjusting Elastomer shock damping
Hi,
I own a tadpole recumbent trike with an articulated rear arm. The rear arm is suspended from the frame using a shock of an elastomer type. Damping characteristics are determined, I suspect, by the type of elastomer used, the number of elastomer disks stacked in the shock and the preset tightening of the bolt running through the shock, frame and articulated arm.
The damping is too firm at the moment and I'd like to soften it a bit. What is my best strategy? Should I remove elastomer disks, reducing the shock height, or replace all the disks with softer material? TIA.
- Rob
I own a tadpole recumbent trike with an articulated rear arm. The rear arm is suspended from the frame using a shock of an elastomer type. Damping characteristics are determined, I suspect, by the type of elastomer used, the number of elastomer disks stacked in the shock and the preset tightening of the bolt running through the shock, frame and articulated arm.
The damping is too firm at the moment and I'd like to soften it a bit. What is my best strategy? Should I remove elastomer disks, reducing the shock height, or replace all the disks with softer material? TIA.
- Rob
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It sounds like you need a lighter spring rate. So the fix is to use a lighter elastomer. There can be some change made by preload( How much the elastomer is compressed before you put your weight on it) But your ride may not have that or you may have reduced it already. I would contact the trike builder and ask them about your options.
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This is another place where imprecise language is going to get us confused.
The elastomer is actually a spring and it doesn't have any dampening. Dampening is like the shock absorbers on a car. What they do is smoothen out the rate of compression and rebound and greatly improve the ride and handling characteristics. When people say that their bike has a shock fork, what they really mean is that it has a suspension fork. It may or may not have dampening. The good suspension forks have elaborate dampening controls, most have none at all.
The elastomer is actually a spring and it doesn't have any dampening. Dampening is like the shock absorbers on a car. What they do is smoothen out the rate of compression and rebound and greatly improve the ride and handling characteristics. When people say that their bike has a shock fork, what they really mean is that it has a suspension fork. It may or may not have dampening. The good suspension forks have elaborate dampening controls, most have none at all.
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Elastomers have a property that dampens a little bit, but IMO elastomers suck. Maybe you could find a good short stroke coil over or air shock.
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Originally Posted by Dirtbike
Elastomers have a property that dampens a little bit, but IMO elastomers suck. Maybe you could find a good short stroke coil over or air shock.
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Originally Posted by Rev.Chuck
It sounds like you need a lighter spring rate. So the fix is to use a lighter elastomer. There can be some change made by preload( How much the elastomer is compressed before you put your weight on it) But your ride may not have that or you may have reduced it already. I would contact the trike builder and ask them about your options.