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1990 Trojan fly bridge 12 meter
Posted: Mon May 01, 2017 4:59 pm
by Peter Rodriguez
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
Re: 1990 Trojan fly bridge 12 meter
Posted: Mon May 01, 2017 6:52 pm
by prowlersfish
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
Re: 1990 Trojan fly bridge 12 meter
Posted: Tue May 02, 2017 8:02 am
by Peter Rodriguez
Thanks for the information. Hope somebody could let me know the size of their props with my same engines.
Peter
Re: 1990 Trojan fly bridge 12 meter
Posted: Wed May 03, 2017 10:24 am
by tcollins2
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.
Re: 1990 Trojan fly bridge 12 meter
Posted: Wed May 03, 2017 10:33 am
by El L Sea
My 1988 Trojan 12m Sportfisherman with DD 671TIB's has 3 blade 24x28.
Re: 1990 Trojan fly bridge 12 meter
Posted: Thu May 04, 2017 5:59 am
by RWS
as I recall, there is a prop calculator at
www.boatdiesel.com
RWS
Re: 1990 Trojan fly bridge 12 meter
Posted: Sat May 06, 2017 3:16 pm
by BeaconMarineBob
24 x 26 three blade
Re: 1990 Trojan fly bridge 12 meter
Posted: Tue Jun 06, 2017 8:05 am
by Peter Rodriguez
El L Sea wrote:My 1988 Trojan 12m Sportfisherman with DD 671TIB's has 3 blade 24x28.
Thanks for the information.