Propeller ID #1

[Gregg Hanson]

Here are 3 more propellers to try and identify. The first one has no numbers or letters stamped except 276 on the hub area. The measurements are as follows:
Lenth 8"4"
ceter bore diameter 2 11/16"
bolt hole circle 5 3/16
diameter of hub 6 "
number of bolt holes 8
bolt hole diameter 3/8"
hub diameter 5 3/4 "