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09-17-2023, 04:17 PM
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#1
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Member
City: Morral
Join Date: Sep 2023
Posts: 6
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Seaway coastal cruiser
Hello, new to this site. I own for about a year a Seaway Coastal Cruiser 25. My home water is Lake Erie in Sandusky. I am curious if any other Seaway boat owners are on this site and care to share info. I am new to this type of hull as I always had deep vee boats.
I am curious about propping and motor heights. This boat should cruise at 20 knots and it does but i constantly fight the throttle to keep it there. If I hold full throttle it will get to 27 knots or so but I am definitely maxed out on rpms. At 20 knots I am at 5600rpm. This is on a Suzuki 175hp. Also and I’m sure this is because of lack of knowledge, I can’t trim much because the prop wants to blowout. I’m not sure what my next step should be. All I want is to cruise at a reasonable speed and rpm to not work the motor too hard and be comfortable.
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09-17-2023, 04:53 PM
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#2
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Moderator Emeritus
City: Au Gres, MI
Vessel Name: Black Dog
Vessel Model: Formula 41PC
Join Date: Jul 2015
Posts: 20,205
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Welcome aboard.
__________________
Boat Nut:
If you are one there is no explanation necessary.
If you aren’t one, there is no explanation possible.
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09-17-2023, 06:43 PM
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#3
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Guru
City: Fort Myers, FL... Summers in the Great Lakes
Vessel Name: Slow Hand
Vessel Model: Cherubini Independence 45
Join Date: Dec 2010
Posts: 12,447
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Welcome to the forum!
Nice looking boat! Could you post some interior pictures, please.
Ted
__________________
Blog: mvslowhand.com
I'm tired of fast moves, I've got a slow groove, on my mind.....
I want to spend some time, Not come and go in a heated rush.....
"Slow Hand" by The Pointer Sisters
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09-17-2023, 08:37 PM
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#4
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Member
City: Morral
Join Date: Sep 2023
Posts: 6
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I don’t have any interior pics lol. I will this weekend. Layout is similar to a Rosborough . For a family of 3 it works perfectly.
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09-18-2023, 09:15 AM
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#5
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Senior Member
City: Chesapeake Bay
Vessel Name: Patty Ann
Vessel Model: Mainship 34 MK1 1980
Join Date: Jan 2014
Posts: 387
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If @20 kts rpm’s is 5600 what’s rpm @ WOT? Without adding a jack plate can your lower the engine to stop prop from blowing out? Curious…..
__________________
David
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09-18-2023, 10:11 AM
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#6
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Member
City: Morral
Join Date: Sep 2023
Posts: 6
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WOT at 27knots is 6k rpms. It seems to stop at 6k and my speed stays at 27. It’s like driving a truck with 4:10 gears. Revs up and gets loud but no forward momentum. Lol
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09-18-2023, 10:53 AM
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#7
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Member
City: Morral
Join Date: Sep 2023
Posts: 6
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Wanted to mention the motor is mounted on an Armstrong bracket. I need to see which hole it is mounted in.
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09-21-2023, 12:23 PM
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#8
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Member
City: Morral
Join Date: Sep 2023
Posts: 6
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Here are the interior pics
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09-21-2023, 01:18 PM
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#9
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Senior Member
City: Chesapeake Bay
Vessel Name: Patty Ann
Vessel Model: Mainship 34 MK1 1980
Join Date: Jan 2014
Posts: 387
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Heater
Interesting looking small footprint heater. What mfg,fuel used?
__________________
David
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09-21-2023, 03:06 PM
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#10
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Member
City: Morral
Join Date: Sep 2023
Posts: 6
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That is a dickenson propane. That runs off 12v. My rooftop unit has heat as well on shoreppwer.
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