Update on the Dunlap #3726 Bench Plane

I had been having trouble getting this plane to work properly. The front of the frog does not make contact with the plane's main casting; it is essentially cantilevered over the casting forward of where its seat mates with the casting's frog receiver. With frog bolted down, can fit cardboard under the toe of the frog And this caused the plane to shudder as it tries to glide over a workpiece. You…