And just for a data point, here is the Stanley idea of the proper grind on a
later NIB #40.  The blade is just shy of 1/8” thick.  I find these tools easy to
use and quite effective.  I could never imaging doing so much removal with a
bench plane with a convex grind.

https://www.flickr.com/photos/ruby1638/51164169669/in/dateposted-public/

Ed Minch