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12-04-2011, 06:15 PM
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#21
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Guru
City: Hailing Port: Charleston, SC
Vessel Name: Moonstruck
Vessel Model: Sabre 42 Hardtop Express
Join Date: Nov 2008
Posts: 8,276
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Transom Soot
Quote:
dwhatty wrote:Moonstruck wrote:
Just one of the many advantages of a black hull color!
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But wouldn't your anal sphincter twitch automatically anyway to let you know that soot were there that needed cleaning? I'm positive Walt's would.  *  * Mine probably might.
*. *. *. *. *. *.and all this time I thought my helm chair had come in perforated leather. D__n!
Here is a picture of it all "sooted" up. *Ugh! *Get me a rag!
-- Edited by Moonstruck on Sunday 4th of December 2011 07:20:44 PM
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12-04-2011, 06:25 PM
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#22
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Guru
City: Diberville Mississippi
Vessel Name: KnotDoneYet
Vessel Model: 1983 42' Present Sundeck
Join Date: Oct 2007
Posts: 2,450
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RE: Transom Soot
Dang Don,
That's so fine I would just show it off on the hard. Where's my shades!!
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12-04-2011, 06:59 PM
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#23
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Guru
City: San Diego
Vessel Name: Circuit Breaker
Vessel Model: 2021..22' Duffy Cuddy cabin
Join Date: Oct 2007
Posts: 6,691
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RE: Transom Soot
Quote:
Moonstruck wrote:
Here is a picture of it all "sooted" up. *Ugh! *Get me a rag!
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That's really a great photo!
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12-04-2011, 08:30 PM
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#24
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Guru
City: PNW
Vessel Model: 1976 Californian Tricabin LRC
Join Date: May 2011
Posts: 1,860
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Transom Soot
You had better pass on your advice to the crew of the Wahoo, at the Port Angeles, Wa Station.
I think they need it worse than Moonstruck.
-- Edited by Edelweiss on Sunday 4th of December 2011 10:45:40 PM
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12-05-2011, 02:24 PM
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#25
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Moderator Emeritus
City: Home Port: Buck's Harbor, Maine
Vessel Name: "Emily Anne"
Vessel Model: 2001 Island Gypsy 32 Europa (Hull #146)
Join Date: Sep 2008
Posts: 2,846
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RE: Transom Soot
Quote:
Moonstruck wrote:dwhatty wrote:Moonstruck wrote:
Just one of the many advantages of a black hull color!
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But wouldn't your anal sphincter twitch automatically anyway to let you know that soot were there that needed cleaning? I'm positive Walt's would.  *  * Mine probably might.
*. *. *. *. *. *.and all this time I thought my helm chair had come in perforated leather. D__n!
Here is a picture of it all "sooted" up. *Ugh! *Get me a rag!
-- Edited by Moonstruck on Sunday 4th of December 2011 07:20:44 PM
*Hey! You have colostomy exhausts. No wonder no transom soot.
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12-05-2011, 03:28 PM
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#26
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Guru
City: New Bern NC
Vessel Name: Stella Di Mare
Vessel Model: Mainship 34t
Join Date: Apr 2010
Posts: 1,702
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RE: Transom Soot
*I think you are correct.* The Cutter Wahoo probably has a clean transom as well.
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12-05-2011, 03:58 PM
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#27
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Moderator Emeritus
City: Home Port: Buck's Harbor, Maine
Vessel Name: "Emily Anne"
Vessel Model: 2001 Island Gypsy 32 Europa (Hull #146)
Join Date: Sep 2008
Posts: 2,846
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RE: Transom Soot
*I think you are correct.* The Cutter Wahoo probably has a clean transom as well.
*Well, ya really do hafta change out the bags now and then.
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12-05-2011, 03:58 PM
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#28
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Guru
City: Whittier AK
Vessel Name: Apache II
Vessel Model: 1974 Donald Jones
Join Date: Oct 2007
Posts: 3,147
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RE: Transom Soot
Did that ladder put a scratch on her?
SD
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12-05-2011, 05:16 PM
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#29
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Guru
City: Hailing Port: Charleston, SC
Vessel Name: Moonstruck
Vessel Model: Sabre 42 Hardtop Express
Join Date: Nov 2008
Posts: 8,276
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Transom Soot
JD, as I recall, most Mainships have the exhaust out the side. *Is that correct?
Dude, just a little scratch on the stainess steel rub rail. *The boys buffed it right out. *They didn't even complain about it. *Those guys know how to put a whipping on a wax job. *They tell me that they really like working on this boat.
-- Edited by Moonstruck on Monday 5th of December 2011 06:20:44 PM
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12-05-2011, 09:16 PM
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#30
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Guru
City: New Bern NC
Vessel Name: Stella Di Mare
Vessel Model: Mainship 34t
Join Date: Apr 2010
Posts: 1,702
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RE: Transom Soot
Quote:
Moonstruck wrote:JD, as I recall, most Mainships have the exhaust out the side. *Is that correct?
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The 34t's 2005-2009 have it out the back below the water line*and it has a 90**elbow pointing down.
The 390's have it out the back as well but they are susceptible to back wash*that floods the turbo and engine. It seems that the stock*elbow at the turbo isn't high enough.
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12-08-2011, 06:11 AM
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#31
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Senior Member
Join Date: Oct 2007
Posts: 301
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RE: Transom Soot
Not much you can do to keep it off. The only product that works good for me is Spray 9.
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12-09-2011, 06:41 AM
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#32
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Guru
Join Date: Aug 2011
Posts: 577
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RE: Transom Soot
Another factor in how much soot you produce is how fast do you throttle up? If you advance the throttle quickly the turbo likely won't have enuff boost to get the proper air/fuel ratio. Think of it as having too big of an accelerator pump on a carb. It dumps a bunch of raw fuel in and the air flow hasn't had time to get going in yet and the engine bogs and possibly belches a little black exhaust (running rich). Diesel engines operate on the same principle.
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12-09-2011, 09:03 AM
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#33
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Guru
Join Date: Jan 2009
Posts: 897
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RE: Transom Soot
Over the years we have had good luck removing the soot from the stern of boats using regular hair shampoo. Don't know if dandruff type makes any difference. If the soot stains the gelcoat, then all bets are off without some pretty aggressive intervention. Chuck
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12-11-2011, 04:07 AM
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#34
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Guru
Join Date: Oct 2007
Posts: 22,553
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RE: Transom Soot
"It dumps a bunch of raw fuel in and the air flow hasn't had time to get going in yet and the engine bogs and possibly belches a little black exhaust (running rich). Diesel engines operate on the same principle."
True, but few on this board are attempting to get up on the plane.
Going from idle to,,WOW!!! 1400rpm to trawler crawl seldom belches black smoke as a fish killer will.
Low speed black smoke is an engine problem , not a dopy operator.
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12-11-2011, 12:34 PM
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#35
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Guru
City: Hailing Port: Charleston, SC
Vessel Name: Moonstruck
Vessel Model: Sabre 42 Hardtop Express
Join Date: Nov 2008
Posts: 8,276
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RE: Transom Soot
Quote:
FF wrote:
True, but few on this board are attempting to get up on the plane.
Low speed black smoke is an engine problem , not a dopy operator.
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*I do get up on plane, but Moonstruck has a self regulator to keep from speeding up too fast. *When the turbos spool up, there would be a danger of throwing the crew over the stern. *I would put a smiley face here, but it is true.
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12-11-2011, 12:52 PM
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#36
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Moderator Emeritus
City: Home Port: Buck's Harbor, Maine
Vessel Name: "Emily Anne"
Vessel Model: 2001 Island Gypsy 32 Europa (Hull #146)
Join Date: Sep 2008
Posts: 2,846
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Transom Soot
Quote:
I do get up on plane, but Moonstruck has a self regulator to keep from speeding up too fast. *When the turbos spool up, there would be a danger of throwing the crew over the stern. *I would put a smiley face here, but it is true.
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On the other hand, lack of a regulator might just come in handy sometime. And I will put in a  .
-- Edited by dwhatty on Sunday 11th of December 2011 01:54:48 PM
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12-11-2011, 01:21 PM
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#37
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Guru
City: Hailing Port: Charleston, SC
Vessel Name: Moonstruck
Vessel Model: Sabre 42 Hardtop Express
Join Date: Nov 2008
Posts: 8,276
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RE: Transom Soot
Quote:
dwhatty wrote:Moonstruck wrote:*
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Quote:
I do get up on plane, but Moonstruck has a self regulator to keep from speeding up too fast. *When the turbos spool up, there would be a danger of throwing the crew over the stern. *I would put a smiley face here, but it is true.
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On the other hand, lack of a regulator might just come in handy sometime. And I will put in a  .
*The self regulator is my right arm. *When the crew is securely seated, it is amazing how this boat will accellerate. *Flywright and the other jet jockeys know the feeling accellerating down the runway. I will put smiiley here---maybe two.   * That's one for each big Yanmar.
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12-11-2011, 05:50 PM
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#38
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Scraping Paint
City: Fort Lauderdale
Vessel Model: CHB 48 Zodiac YL 4.2
Join Date: Oct 2007
Posts: 3,804
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RE: Transom Soot
Quote:
Moonstruck wrote:Flywright and the other jet jockeys know the feeling accellerating down the runway.
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*Unless there is an afterburner and a cat involved it will never compare to a lightly loaded turboprop on water injection.
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12-12-2011, 04:19 AM
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#39
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Guru
Join Date: Oct 2007
Posts: 22,553
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RE: Transom Soot
" Unless there is an afterburner and a cat involved it will never compare to a lightly loaded turboprop on water injection."
Turboprop is simply a turbine and gear box , that will take 6-9 seconds to spin up from idle.
THe good old radial 3350 , supercharged with PRT and water injection (51 inches manifold with the water pumping) accelerates like any gas engine , almost instantly.
But then I date my self ..
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12-12-2011, 05:26 AM
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#40
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Scraping Paint
City: Fort Lauderdale
Vessel Model: CHB 48 Zodiac YL 4.2
Join Date: Oct 2007
Posts: 3,804
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RE: Transom Soot
Quote:
FF wrote:
Turboprop is simply a turbine and gear box , that will take 6-9 seconds to spin up from idle.
THe good old radial 3350 , supercharged with PRT and water injection (51 inches manifold with the water pumping) accelerates like any gas engine , almost instantly.
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I hear what you are saying but I excluded the recips because the post was about turbines.
And, the single shaft engines only have to accelerate 3 or 4 percent so their respose is just about the same (better in some cases) than the big recips.
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