torsion bar valve springs

When I’m running, I get lots of weird ideas. Today, I thought, why not use torsion bars for valve springs in engines, instead of the usual coil spring? Benefits should include- less moving mass, adjustable pre-load, and… well that’s all.

So, this falls into the “new-old” ideas category – apparently was done as far back as the 50’s- even this clunker had them – http://en.wikipedia.org/wiki/Panhard_Dyna_Z

And some F1 cars and bikes have used them with good effect. So, good new-old idea 😉

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