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Does anyone know of where we might source a prop for a CB35? It seems that we had a chunk taken off and we will have to repair/replace this prop. I would rather find an appropriate propeller to replace current one, which we will repair and keep as a spare. Thanks for any ideas...!
Darryl
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CB35 Prop
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Maogwaicat
- Gold Member
- Posts: 46
- Joined: Tue May 04, 2021 10:03 am
- Boat Make/Model (or None): 2005 Albin 35CB
- Home Port: Palatka, FL
CB35 Prop
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BarryG
- Gold Member
- Posts: 45
- Joined: Thu Jan 11, 2024 11:15 am
- Boat Make/Model (or None): Albin 32+2 CB
- Home Port: Boothbay Harbor, Maine
Re: CB35 Prop
Darryl,
Since you obviously have to remove the prop anyway, the size, ie; diameter and pitch are stamped into the hub. This is located either in the front or rear meaning where the shaft enters or leaves the hub. You can't see it until its off the boat. I would be talking in person with a good prop shop with the old one in hand.
That my friend is a pretty good chunk out of the prop. You should consider checking if the shaft is bent (and it takes VERY little bend to throw things off balance or ruin the Cutlass Bearing), check the Cutlass,check that the rudder did not get hit and bent too. A good yard will be able to perform the checks.
Other things the prop shop will need to know and/or determine is the shaft diameter and the specific taper of your prop hub to shaft. Also, the prop shop will discuss what metal material you want? Nibral is common. also they may discuss the advantages / disadvantages of 3, 4, or 5 blade props.
Very fancy ($$$$) props like VEEM or Sharrow may be offered...??
Good luck and let us know how you made out
Since you obviously have to remove the prop anyway, the size, ie; diameter and pitch are stamped into the hub. This is located either in the front or rear meaning where the shaft enters or leaves the hub. You can't see it until its off the boat. I would be talking in person with a good prop shop with the old one in hand.
That my friend is a pretty good chunk out of the prop. You should consider checking if the shaft is bent (and it takes VERY little bend to throw things off balance or ruin the Cutlass Bearing), check the Cutlass,check that the rudder did not get hit and bent too. A good yard will be able to perform the checks.
Other things the prop shop will need to know and/or determine is the shaft diameter and the specific taper of your prop hub to shaft. Also, the prop shop will discuss what metal material you want? Nibral is common. also they may discuss the advantages / disadvantages of 3, 4, or 5 blade props.
Very fancy ($$$$) props like VEEM or Sharrow may be offered...??
Good luck and let us know how you made out
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Maogwaicat
- Gold Member
- Posts: 46
- Joined: Tue May 04, 2021 10:03 am
- Boat Make/Model (or None): 2005 Albin 35CB
- Home Port: Palatka, FL
Re: CB35 Prop
Thanks, Barry. The rudder is already off and I will ask Huckins to check shaft and cutlass bearing.
I was almost complete with my yard period and thought I was getting away under budget...! It's always something.
I was almost complete with my yard period and thought I was getting away under budget...! It's always something.
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jmfernan
- Gold Member
- Posts: 39
- Joined: Mon Feb 27, 2012 1:10 am
- Boat Make/Model (or None): 32+2 CB
- Home Port: Santa Barbara, CA
Re: CB35 Prop
What engine and what is your transmission ratio? The CBs I've seen are limited to about 23" diameter props (although there was a newer one with CAT C7 swinging a 25" prop, not sure if they changed drivetrain geometry at the end of the production run).
For comparison my 32+2 with Yanmar 370 and 2:1 gear had a 4 blade Michigan DQ 23x19 prop that I replaced with a 4 blade Acme 22x18. Now running same prop with a Yanmar 440, easily reaches rated RPM fully loaded with room to spare.
I'm curious to see what your current prop is. That's quite a chunk taken out. Most important thing is to be sure you can reach an accurate wide open throttle (photo-tached, don't trust the Yanmar tach!) of at least 3300 RPM, 3400+ recommended to allow for bottom growth etc.
Joe
For comparison my 32+2 with Yanmar 370 and 2:1 gear had a 4 blade Michigan DQ 23x19 prop that I replaced with a 4 blade Acme 22x18. Now running same prop with a Yanmar 440, easily reaches rated RPM fully loaded with room to spare.
I'm curious to see what your current prop is. That's quite a chunk taken out. Most important thing is to be sure you can reach an accurate wide open throttle (photo-tached, don't trust the Yanmar tach!) of at least 3300 RPM, 3400+ recommended to allow for bottom growth etc.
Joe