1990 Trojan fly bridge 12 meter

Peter Rodriguez · Post by **Peter Rodriguez** » Mon May 01, 2017 4:59 pm

I have a Trojan 1990 12 meter with Detroit 671-TI with 3 blades props. I want to change to 4 blade props. I am not sure the size of the actual 3 blade props. Does anyone have this same boat with 4 blade pros and let me know the actual size and the top rpms on your boat?

Thanks

Peter

prowlersfish · Post by **prowlersfish** » Mon May 01, 2017 6:52 pm

I don't know the prop size , but the 671ti is rated 2500 rpm its best to prop them turn over 2500 . 2550 is number some shoot for

Peter Rodriguez · Post by **Peter Rodriguez** » Tue May 02, 2017 8:02 am

Thanks for the information. Hope somebody could let me know the size of their props with my same engines.
Peter

tcollins2 · Post by **tcollins2** » Wed May 03, 2017 10:24 am

Not exactly the same boat, but I have the 1990 12M Express with 671-TAs. 2550 Max RPM and I have 24x23 4 blade props on mine.

El L Sea · Post by **El L Sea** » Wed May 03, 2017 10:33 am

My 1988 Trojan 12m Sportfisherman with DD 671TIB's has 3 blade 24x28.

RWS · Post by **RWS** » Thu May 04, 2017 5:59 am

as I recall, there is a prop calculator at www.boatdiesel.com

RWS

Post by **BeaconMarineBob** » Sat May 06, 2017 3:16 pm

24 x 26 three blade

Peter Rodriguez · Post by **Peter Rodriguez** » Tue Jun 06, 2017 8:05 am

El L Sea wrote:My 1988 Trojan 12m Sportfisherman with DD 671TIB's has 3 blade 24x28.

Thanks for the information.

Trojan Boat Forum

1990 Trojan fly bridge 12 meter

1990 Trojan fly bridge 12 meter

Re: 1990 Trojan fly bridge 12 meter

Re: 1990 Trojan fly bridge 12 meter

Re: 1990 Trojan fly bridge 12 meter

Re: 1990 Trojan fly bridge 12 meter

Re: 1990 Trojan fly bridge 12 meter

Re: 1990 Trojan fly bridge 12 meter

Re: 1990 Trojan fly bridge 12 meter