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rogerbum
Joined: 21 Nov 2004 Posts: 5922 City/Region: Kenmore
State or Province: WA
C-Dory Year: 2008
C-Dory Model: 255 Tomcat
Vessel Name: Meant to be
Photos: SeaDNA
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Posted: Sat Apr 01, 2006 11:58 am Post subject: The new SeaDNA - sea trials complete |
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As some of you may be aware, all the talk of hull extensions and boat modifications recently really got me inspired. So a couple of weeks ago, I undertook a large project ot make some serious modifications to SeaDNA. The project was completed a day ago and sea trials took place today (see photo below).
Results of the sea trials - performance has been hampered a bit relative to what it did with the propped twin honda 40's. I took those same engines and mounted them in the cockpit and used a stainless motorcycle chain to drive the system so I don't know where all the speed went. Top speed is only 12 knots and the hole shot isn't what it used to be. Pehaps I'm "over wheeled" - maybe DoD Dan can provide the engineering feedback but hey, as Patrick says, these boats really weren't really meant to be "go fast" boats anyway. One unexpected benefit of the conversion is that when I went through a school of herring the paddle wheel flipped several dozen into the cockpit. If I drive it around for a few days, I'll have bait for the whole summer.
Problems: As I mentioned before, trailering is real issue as the wheel is barely off the ground. However a side benefit is that I can tow it around the house and cut the grass.
Anyway, Joyce and I are looking forward to taking it up and down the Mississippi this summer. All I need is a few serious poker players to go along.
Are these boats flexible or what? _________________ Roger on Meant to be
Last edited by rogerbum on Sat Apr 01, 2006 12:37 pm; edited 1 time in total |
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El and Bill
Joined: 08 Nov 2003 Posts: 3200 City/Region: Lakewood, CO
State or Province: CO
C-Dory Year: 2000
C-Dory Model: 22 Cruiser
Vessel Name: Halcyon
Photos: Halcyon
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Posted: Sat Apr 01, 2006 12:28 pm Post subject: |
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Great modification! -- practical, attractive, useful and downright historic. Good on ya! And a Happy April 1st to you guys, too. _________________ El and Bill (former live-aboards)
Halcyon 2000 CD 22 Bought 2000 Sold 2012
http://cruisingamerica-halcyondays.com/ |
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JamesTXSD
Joined: 01 Mar 2005 Posts: 7446 City/Region: from island boy to desert dweller
State or Province: AZ
C-Dory Year: 2007
C-Dory Model: 25 Cruiser
Vessel Name: "Wild Blue" (sold 9/14)
Photos: Wild Blue
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Posted: Sat Apr 01, 2006 1:04 pm Post subject: I see the problem... |
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You need an adjustable bracket on the paddlewheel. Having done this same conversion (and we have it patented, btw) on several of our sailboats, you will find that some up-down movement will take care of all the problems you spoke of. Getting the wheel deeper will give you that holeshot... so much so that you may need to put on wheelie bars (like the old VW trikes). Putting the wheel in the up position at anchor or while trailering will provide a way to top off the batteries, much like a windvane.
Besides getting bait, with some practice you will find that it slices, dices, and even makes julienne fries.
Congratulations on this conversion - and right on time!
Best wishes,
Jim B. _________________ Jim & Joan
CD-25 "Wild Blue" (sold August 2014)
http://captnjim.blogspot.com/
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TyBoo
Joined: 23 Oct 2003 Posts: 5314 City/Region: Warrenton
State or Province: OR
C-Dory Year: 1996
C-Dory Model: 25 Cruise Ship
Vessel Name: TyBoo
Photos: TyBoo
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Posted: Sat Apr 01, 2006 1:27 pm Post subject: |
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Roger, that's funny as all get out. How many years did you go to school, Doctor? _________________ TyBoo Mike
Sold: 1996 25' Cruise Ship
Sold: 1987 22' Cruiser |
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416rigby
Joined: 31 Mar 2004 Posts: 1208 City/Region: Port Angeles
State or Province: WA
C-Dory Year: 2001
C-Dory Model: 22 Cruiser
Vessel Name: Foggy Dew
Photos: Foggy Dew
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Posted: Sat Apr 01, 2006 2:09 pm Post subject: |
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Very nice! Maybe trim tabs will help you get just a bit more speed?
Now that was funny. _________________ "Life's too short to hunt with an ugly gun"
At last...home for good in the Great Northwest!
2001 22 Cruiser "Foggy Dew" 2006-2013 |
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TyBoo
Joined: 23 Oct 2003 Posts: 5314 City/Region: Warrenton
State or Province: OR
C-Dory Year: 1996
C-Dory Model: 25 Cruise Ship
Vessel Name: TyBoo
Photos: TyBoo
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Posted: Sat Apr 01, 2006 3:40 pm Post subject: |
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Roger as a young boy:
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DaveS
Joined: 01 Nov 2003 Posts: 3204 City/Region: Arlington
State or Province: WA
C-Dory Year: 2004
C-Dory Model: 22 Cruiser
Vessel Name: Sea Shift
Photos: Sea Shift
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Posted: Sat Apr 01, 2006 3:55 pm Post subject: |
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Roger and Tyboo...........Too Funny....both of you clowns! _________________ Dave S.
"Sea Shift"
C-Brat #16 |
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Sea Wolf
Joined: 01 Nov 2003 Posts: 8650 City/Region: Redding
State or Province: CA
C-Dory Year: 1987
C-Dory Model: 22 Cruiser
Vessel Name: Sea Wolf
Photos: Sea Wolf
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Posted: Sat Apr 01, 2006 5:28 pm Post subject: |
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Roger-
Y'all bring that Southern Belle down to Lake Shasta and we can take it bass fishin' in the next tournament!
If you need more power, I've located the gas turbine stolen out of starcraftom's helicopter:
Joe. _________________ Sea Wolf, C-Brat #31
Lake Shasta, California
"Most of my money I spent on boats and women. The rest I squandered'. " -Annonymous |
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oldgrowth
Joined: 27 Jun 2005 Posts: 2196 City/Region: Rochester
State or Province: WA
C-Dory Year: 2002
C-Dory Model: 16 Cruiser
Vessel Name: C-Voyager
Photos: C-Voyager
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Posted: Sat Apr 01, 2006 11:32 pm Post subject: |
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Roger - can you send me the plans on your extension? After seeing it, I think I will try and integrate it into my stern extension. Do you have an extra wheel setting around? Probably have to be a little smaller, because it will be going on a 16’ Cruiser. _________________ Dave
Last edited by oldgrowth on Wed Mar 05, 2008 4:09 am; edited 2 times in total |
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Norm S
Joined: 20 Jun 2005 Posts: 110 City/Region: Tacoma Wa
State or Province: WA
C-Dory Year: 1984
C-Dory Model: 18 Angler
Vessel Name: The Divine Miss C
Photos: The Divine Miss C
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Posted: Sun Apr 02, 2006 12:05 am Post subject: |
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Nah Dave, I think you should go with Joes idea. go with the tubine and just make it a 6 foot extension. That way you'll have room for the 500 gal fuel tank.
Norm _________________ If You're not living on the edge you're taking up too much space! |
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rogerbum
Joined: 21 Nov 2004 Posts: 5922 City/Region: Kenmore
State or Province: WA
C-Dory Year: 2008
C-Dory Model: 255 Tomcat
Vessel Name: Meant to be
Photos: SeaDNA
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Posted: Sun Apr 02, 2006 1:39 am Post subject: |
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oldgrowth wrote: | Roger - can you send me the plans on your extension? After seeing it, I think I will try and integrate it into my stern extension. Do you have an extra wheel setting around? Probably have to be a little smaller, because it will be going on a 16’ Cruiser. |
Plan, PLANS!?!? WE DON"T NEED NO STINKIN' PLANS!!!
My recommendation would be what Red Green did - get yourself a used revolving door. The nice thing about that is you get improved rear view visibility. |
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oldgrowth
Joined: 27 Jun 2005 Posts: 2196 City/Region: Rochester
State or Province: WA
C-Dory Year: 2002
C-Dory Model: 16 Cruiser
Vessel Name: C-Voyager
Photos: C-Voyager
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Posted: Sun Apr 02, 2006 3:15 am Post subject: |
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Roger – I need some kind of plans. Your design looked like it may be over my head, so I decided to do as Norn S suggested with a slight modification.
Quote: | Nah Dave, I think you should go with Joes idea. go with the tubine and just make it a 6 foot extension. That way you'll have room for the 500 gal fuel tank. |
I will use an underwater jet instead. That way I have room for a larger fuel tank on board.
I did a preliminary sketch.
Last edited by oldgrowth on Wed Mar 05, 2008 4:10 am; edited 1 time in total |
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Pat Anderson
Joined: 02 Nov 2003 Posts: 8555 City/Region: Birch Bay, WA
State or Province: WA
C-Dory Year: 2005
C-Dory Model: 25 Cruiser
Vessel Name: Daydream
Photos: Daydream and Crabby Lou
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Posted: Sun Apr 02, 2006 10:42 am Post subject: |
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[Red Green impersonation voice = ON]
Today I'm gonna show you how to make a surf board out of an ordinary plastic picnic table. You're gonna need your chain saw and a couple of rolls of duct tape...
[Red Green impersonation voice = OFF]
rogerbum wrote: |
My recommendation would be what Red Green did - get yourself a used revolving door. The nice thing about that is you get improved rear view visibility. |
_________________
DAYDREAM - CD25 Cruiser
CRABBY LOU - CD16 Angler (sold 2020)
Pat & Patty Anderson, C-Brat #62!
http://daydreamsloop.blogspot.com
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Knotty C
Joined: 23 Mar 2005 Posts: 485 City/Region: Vancouver, WA
State or Province: WA
C-Dory Year: 2005
C-Dory Model: 25 Cruiser
Vessel Name: Knotty C
Photos: Knotty C
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Posted: Sun Apr 02, 2006 4:34 pm Post subject: |
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Great modifications! Ken was discussing his planned modification on the Blue C a while back. Something about a flying bridge.... I wonder if he still plans to take on that project?
Don |
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rogerbum
Joined: 21 Nov 2004 Posts: 5922 City/Region: Kenmore
State or Province: WA
C-Dory Year: 2008
C-Dory Model: 255 Tomcat
Vessel Name: Meant to be
Photos: SeaDNA
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Posted: Fri Apr 01, 2016 3:25 pm Post subject: |
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