Trike front suspension using tie-rods

I'm always on the look-out for ideas for simple construction of front suspension for a recumbent tadpole trike. A few days ago, came across this:

"Evolution of my Street Fox trike to full suspension e-trike"
https://www.youtube.com/watch?v=KOeiWURsPlA

Tomek has built his own trike, "Street Fox", and in the above video has shown how he converted to full suspension.

It is a very simple design, using tie-rods. These are readily available, in various lengths. Here is a snapshot from the video:

...welded the tie-rods together, and he has swing-arms! Very nice.   

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