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Dec 30th, 2023
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 Do i need 25P prop on 225 optimax xs
#13684381
08/29/20 03:01 PM
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Joined: Jun 2009
Posts: 19
montyb
OP
Green Horn
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OP
Green Horn
Joined: Jun 2009
Posts: 19 |
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
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Re: Do i need 25P prop on 225 optimax xs
[Re: montyb]
#13684478
08/29/20 04:45 PM
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Joined: Mar 2010
Posts: 29,016
T Bird
TFF Guru
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TFF Guru
Joined: Mar 2010
Posts: 29,016 |
Need need know how many RPM's your turning now at WOT trimmed out and how is your hole shot.
Okie by birth, Texan by choice. ![[Linked Image]](https://texasfishingforum.com/forums/pics/userpics/2021/01/full-47849-80883-111.jpg) USAF "Thunderbirds" Alumni 1985-1989
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Re: Do i need 25P prop on 225 optimax xs
[Re: T Bird]
#13684506
08/29/20 05:12 PM
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Joined: Jun 2009
Posts: 19
montyb
OP
Green Horn
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OP
Green Horn
Joined: Jun 2009
Posts: 19 |
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
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Re: Do i need 25P prop on 225 optimax xs
[Re: montyb]
#13684558
08/29/20 06:40 PM
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Joined: Feb 2006
Posts: 4,045
bronco71
TFF Team Angler
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TFF Team Angler
Joined: Feb 2006
Posts: 4,045 |
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
1987 Nitro MX185/Mercury Black Max 150 (needs lots of work, put motor on nephew's boat)
1994 XSC-2200 "Jaguar" AKA Shadow 22 Magnum (restoring w/Mercury 200 XRI)
1994 Pantera II (restoring w/Mercury 200 EFI)
1999 Triton TX21/225 Mercury Optimax
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Re: Do i need 25P prop on 225 optimax xs
[Re: montyb]
#13684945
08/30/20 02:36 AM
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Joined: Dec 2008
Posts: 17,869
grout-scout
TFF Guru
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TFF Guru
Joined: Dec 2008
Posts: 17,869 |
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.
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Re: Do i need 25P prop on 225 optimax xs
[Re: montyb]
#13685075
08/30/20 12:32 PM
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Joined: Nov 2007
Posts: 77
miceman16
Outdoorsman
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Outdoorsman
Joined: Nov 2007
Posts: 77 |
I have a 25 and a 24 pitch tempest prop that I am selling
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Re: Do i need 25P prop on 225 optimax xs
[Re: montyb]
#13685258
08/30/20 03:29 PM
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Joined: Feb 2017
Posts: 390
lurenthewind
Angler
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Angler
Joined: Feb 2017
Posts: 390 |
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!
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Re: Do i need 25P prop on 225 optimax xs
[Re: montyb]
#13685310
08/30/20 04:11 PM
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Joined: Feb 2008
Posts: 15,239
DanXB-21
TFF Guru
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TFF Guru
Joined: Feb 2008
Posts: 15,239 |
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.
"The problem with having a sense of humor is often that people you use it on aren't in a very good mood"...
Lou Holtz
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