The "michigan" refers to the Michigan Wheel Corporation, and the 18 RH 13 translates to an 18 inch diameter Right-handed prop with a 13 inch pitch.
http://www.miwheel.com/Propellers/PropellerTerminology.aspx Bob Stockley Sundance # 2436 --- In [email protected], David Savlin <dsav...@...> wrote: > > Can anyone lend advice about how to read prop markings? > > Amongst the things my father left behind from his Catalina 42 was a > propellor. It's a heavy three bladed thing. I've tried to read the markings > but it's kind of hard to read given it was in storage for some time. There > are markings on the hub as well as the (either head or aft) shaft. I'm > hoping to resell it. > > I appreciate any advice that can be had from our little club here. I know I > can't use this on my 27, it's WAY too big. > > (unknown mark) 18 "x" (looks like an x but missing upper left stroke) 13 1¼ > or? > (unknown mark) 5/8 "x" (looks like an x but missing upper left stroke) 13 1¼ > > --- > > (curved "michigan" text) 10 / 90 > > italic lowercase m? > MR (with line from above through it, curved, arrowhead past the "mr") > 18 RH 13 > > --- > > Any help interperting this is very much appreciated. > > David > Persephone > 1988 Catalina 27 TR > > > [Non-text portions of this message have been removed] >
