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Prop pitch on 2004 Mercury 50hp
#11557206
04/21/16 06:51 PM
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Joined: Jul 2008
Posts: 3,022
joho5
OP
TFF Team Angler
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OP
TFF Team Angler
Joined: Jul 2008
Posts: 3,022 |
I feel like my boat gets up to top speed really quick and there isnt much speed difference in cruising speed vs full throttle, other than rpm's going higher.
Do I need a different prop?
mine says 12 x 22, 1.83:1
any suggestions will be appreciated...thanks
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Re: Prop pitch on 2004 Mercury 50hp
[Re: joho5]
#11557432
04/21/16 08:42 PM
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Joined: Mar 2005
Posts: 7,060
SC-001
TFF Celebrity
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TFF Celebrity
Joined: Mar 2005
Posts: 7,060 |
Contact steve@scp on here, he was great help in making sure I had a suitable pitch and setting up the correct prop to pad on my boat.
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Re: Prop pitch on 2004 Mercury 50hp
[Re: joho5]
#11557456
04/21/16 08:58 PM
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Joined: Oct 2004
Posts: 4,880
BJH ( JUST JIGGING)
TFF Team Angler
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TFF Team Angler
Joined: Oct 2004
Posts: 4,880 |
If you are reading the white sticker on the lower unit, that means nothing. I went in to B&B and asked for that number and he laughed and said did you get that number off the lower unit, i said yes, he laughed. My prop had 10.38X14p on the prop and it,s a 2009,50hp.
I would agree with you , but then we would both be WRONG !!!!!
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Re: Prop pitch on 2004 Mercury 50hp
[Re: joho5]
#11558559
04/22/16 12:50 PM
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Joined: Apr 2007
Posts: 401
Josh@SCP
Angler
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Angler
Joined: Apr 2007
Posts: 401 |
You prop dimensions will be on the prop itself. You can find them between the blades, just under the nut or on the thrust washer side that faces the motor. The 2 spots I mentioned last you will have to remove the prop to read. Get those numbers and give me a shout so we can figure out what is going on.
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Re: Prop pitch on 2004 Mercury 50hp
[Re: joho5]
#11558592
04/22/16 01:05 PM
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Joined: Dec 2014
Posts: 1,665
Muzzlebrake
Extreme Angler
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Extreme Angler
Joined: Dec 2014
Posts: 1,665 |
If it's not a bigfoot motor then a 14" pitch is borderline over propped. Depends on overall boat weight. I could run a 14" pitch on my old bass tracker pt175 with 50 ELPTO but suffered on hole shot and rpm maxed at 5100 and 32mph . The 12" pitch worked best all around. Good hole shot and 34mph at 5600rpm with just me in the boat. 32mph with 2 people.
From Genesis: "And God promised men that good and obedient wives would be found in all corners of the earth."
Then He made the earth round...and He laughed and laughed and laughed!
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Re: Prop pitch on 2004 Mercury 50hp
[Re: Muzzlebrake]
#11558863
04/22/16 03:09 PM
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Joined: Jul 2008
Posts: 3,022
joho5
OP
TFF Team Angler
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OP
TFF Team Angler
Joined: Jul 2008
Posts: 3,022 |
If it's not a bigfoot motor then a 14" pitch is borderline over propped. Depends on overall boat weight. I could run a 14" pitch on my old bass tracker pt175 with 50 ELPTO but suffered on hole shot and rpm maxed at 5100 and 32mph . The 12" pitch worked best all around. Good hole shot and 34mph at 5600rpm with just me in the boat. 32mph with 2 people. Im getting over 30mph right now...32ish by myself. So I guess I am close. Its an aluminum Xpress boat...all metal, no wood. So I am assuming its pretty light.
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Re: Prop pitch on 2004 Mercury 50hp
[Re: joho5]
#11558904
04/22/16 03:28 PM
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Joined: Dec 2014
Posts: 1,665
Muzzlebrake
Extreme Angler
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Extreme Angler
Joined: Dec 2014
Posts: 1,665 |
If it's not a bigfoot motor then a 14" pitch is borderline over propped. Depends on overall boat weight. I could run a 14" pitch on my old bass tracker pt175 with 50 ELPTO but suffered on hole shot and rpm maxed at 5100 and 32mph . The 12" pitch worked best all around. Good hole shot and 34mph at 5600rpm with just me in the boat. 32mph with 2 people. Im getting over 30mph right now...32ish by myself. So I guess I am close. Its an aluminum Xpress boat...all metal, no wood. So I am assuming its pretty light. Check your rpm at WOT. If it is at or below 5200 then you could go down an inch or two in pitch an gain some performance. A 2 stroke motor will love the added rpm. The perfect WOT rpm on plane light load should be 5500-5600. You won't hurt the motor by running 5000 or above but below 5000 at WOT you will be lugging it and that ain't good for a 2 stroke. IMO 5400-5500 rpm would be perfect loaded.
Last edited by Muzzlebrake; 04/22/16 03:30 PM.
From Genesis: "And God promised men that good and obedient wives would be found in all corners of the earth."
Then He made the earth round...and He laughed and laughed and laughed!
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