Am I missing somthing here regarding gearing?

[raleighnut]

No it isn't, it's the diameter of penny farthing wheel you would need to have the same gear.

The distance travelled per pedal revolution (metres of development) will be somewhere around 1.4m, depending on the tyre size

Oh knickers, I did actually know that but must have been a bit pished when I posted the error (more pished than I thought I was)

 

[swansonj]

Oh knickers, I did actually know that but must have been a bit pished when I posted the error (more pished than I thought I was)

I think, in your pished state, you must have been suffering from pi deprivation.

 

[raleighnut]

I think, in your pished state, you must have been suffering from pi deprivation.

Pie deprivation more like.

 

[boydj]

New chainrings to turn 50-34 to 48-36 made the compact so much easier to live with.