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Jan 23rd, 2013
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Do i need 25P prop on 225 optimax xs #13684381 08/29/20 03:01 PM
Joined: Jun 2009
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montyb Offline OP
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I have 21 ft triton with 225 mercury.
Someone put a 27 p tempest, i was told thats too much prop.
So I'm looking for advice or used (or trade) 25 p prop ( 4 blade)?

Thanks for the help in advance.

Monty

Re: Do i need 25P prop on 225 optimax xs [Re: montyb] #13684478 08/29/20 04:45 PM
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T Bird Offline
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Need need know how many RPM's your turning now at WOT trimmed out and how is your hole shot.


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USAF "Thunderbirds" Alumni 1985-1989

Okie by birth, Texan by choice.
Re: Do i need 25P prop on 225 optimax xs [Re: T Bird] #13684506 08/29/20 05:12 PM
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montyb Offline OP
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The tach is not working but hole shot seems week and also , seems weak when trying to go those extra 6 inches on the trailer.
WHen I had the engine checked the computer said it has about 10 hours since a rebuild and RPMS were never over 4900 so that was another clue prop is not right.

I 'm looking for someone to fix tach in DFW area if anyone has any recs.

Thanks

Re: Do i need 25P prop on 225 optimax xs [Re: montyb] #13684558 08/29/20 06:40 PM
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bronco71 Online Content
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I run a 25p Trophy on my 99 TX21/225 Opti most of the year. I drop to a 24p Trophy in the hot months of July and August. Keeps me right at 5700 rpm WOT


1999 Triton TX21/225 Mercury Optimax
Re: Do i need 25P prop on 225 optimax xs [Re: montyb] #13684945 08/30/20 02:36 AM
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grout-scout Online Content
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You can buy a new tach for not a whole lot of money, most likely a 25” would work better for you; but you really need a working tach.

Re: Do i need 25P prop on 225 optimax xs [Re: montyb] #13685075 08/30/20 12:32 PM
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miceman16 Offline
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I have a 25 and a 24 pitch tempest prop that I am selling

Re: Do i need 25P prop on 225 optimax xs [Re: montyb] #13685258 08/30/20 03:29 PM
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lurenthewind Offline
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Also, check prop to pad height. Start at about 3.5" below pad and fine tune from there. I went from a 27 three blade to a 25 4 blade on my Champion 201, set the prop 3.5" and the hole short improved dramatically. Top end dropped 4-5 MPH. Still runs about 65 +/- with boat loaded and two guys on board.

Wayhne


Luck will beat skill any time you have enough of it!
Re: Do i need 25P prop on 225 optimax xs [Re: montyb] #13685310 08/30/20 04:11 PM
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Dan21XRS Offline
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27 sounds a little steep, but it's hard to say without knowing what RPMs you're turning... Get the tach fixed and borrow a known 25 and give it a try... Might also try calling around to a few long time Triton dealers and ask for advise... Dan

Last edited by Dan21XRS; 08/30/20 04:14 PM.
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