correct prop for CD 28

[rdmac]

78 28' cd md7a 13 hp.
have a 2 blade 13x13 with poor stopping power and poor push thru wind and waves.
found a 14x10 3 blade but am thinking it's too aggressive.
would like to hear from others, what size 3blade do have and what size diesel.
doug in menominee, MI.

[hilbert]

28' CD Yanmar 2GM20 ~16 hp:
3 blade 13RH12

[Maine_Buzzard]

CD 30 with an asthmatic MD7a also, and similarly ineffective 13x13 (but LH). Campbell specifically suggested a 13x9 3 blade, and I am weighing the usefulness of the $550 outlay. (vs. an imminent, but unknown repower...)

My guess is the 14" will fill the aperture (does the 28 have a closed rudder? I suspect so.) and lug the typical 30 yo diesel. Have it repitched to 9 and see if the extra 1/2" on each blade will eat up the opening...

I'd personally sell both props and get a 13"

J.

[rorik]

`79 CD28
Nanni N2.14 2cylinder, 13hp
Campbell RH 13x7 3blade

[Paul Grecay]

I used this prop for about 8 years in my CD 28 and it worked great...the only reason I removed it was that I repowered and the Beta Marine engine required a RH prop. There was plenty of clearance.