I know, I know, but I have to ask.

[Bumppo]

Is / was there any straight razors made with replacable blade you don't have to sharpen?

 

[amcardon]

Yup, check out the Dovo Shavettes (link 1, link 2) and Feathers... I'm sure there's more out there, this is just what I thought of off the top of my head...