One thing .. if you read about the others that had a Broken rail on their 2 wire un spring B17's

the rough ground compresses the coil spring and so the saddle frame takes the Flexing where designed,

and reduces tke possibility of the metal fatigue on 2 rail saddle frames..


But Hey, If you are going Steam Punk look for the Central Park ,'Look at Me' strut, it's the way to Go..