Defever 53 POC propellers

JoeD · Jan 2, 2018

Hi all I am looking for some advice. We purchased a 1988 Defever Performance offshore cruiser about a year ago. The boat has Twin Cat 3208 TA 375, with twin disc transmissions. The boat currently has 30 inch props pitched at 26. I found 28 inch props pitched to 30 at a good used price. What kind of performance issues should I expect? Do you think it would be ok to switch or stick with what I have? Tour advice would be greatly appreciated!

McGillicuddy · Jan 2, 2018

Depends. Can you currently get full power from your current props?
I have same engines on my 52’ Choey Lee with 3208sT/A. My props 28” x 26”. I cannot get full rated rpm from engines. Close, but not quite.

JoeD · Jan 2, 2018

No. I can only get a max of 2300-2400rpms. The current props are fried from electrolysis that happened before I bought the boat and they need to badly be replaced. I found a set of used props that are in good condition for a fraction of the cost.

McGillicuddy · Jan 2, 2018

You might get a prop shop to optimize the props to your boat. Most have a computer program, would only cost a few hundred backs to adjust pitch and or diameter if needed.

Larry M · Jan 2, 2018

McGillicuddy said:
You might get a prop shop to optimize the props to your boat. Most have a computer program, would only cost a few hundred backs to adjust pitch and or diameter if needed.

Yup, find the best area prop shop. They do want you want all time.

Defever 53 POC propellers

JoeD

Newbie

McGillicuddy

Guru

JoeD

Newbie

McGillicuddy

Guru

Larry M

Guru

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