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346 Bow Thruster

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Topic author United States of America
jostephens
Scurvy Dog
Scurvy Dog
Posts: 12
Joined: January 24th, 2015, 2:31 pm
Vessel Info: 2002 346 Carver Twin MerCruiser MX 6.2 MPI (320-hp)
Fox Island, WA

346 Bow Thruster

Postby jostephens » January 24th, 2015, 2:58 pm

I am about to install a bow thruster in my 2002 346, I am looking for help to know how long a tunnel I need to purchase, also if the sink sump pump reservoir has to be relocated, any info or pictures would be appreciated.

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SHEMP
Deck Hand
Deck Hand
Posts: 51
Joined: March 7th, 2013, 7:43 pm
Vessel Info: 2000 CARVER 456 MY
Full Bridge and aft deck enclosure
Originally purchased in Staten Island
Second owner also purchased in Staten Island in 2012
Now berthed in Toronto Canada
A wonderful and fully appointed luxury yacht.
Location: Toronto Ontario Canada
Has thanked: 7 times
Been thanked: 4 times

Re: 346 Bow Thruster

Postby SHEMP » January 24th, 2015, 11:33 pm

Please check this companies website


https://dockingbycontrol.com/


Are you comfortable cutting a 12 " hole in your bow and then fiberglassing the tube in place ?
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Mkemper
Deck Hand
Deck Hand
Posts: 96
Joined: February 18th, 2013, 9:04 am
Vessel Info: 86' carver 3207 Aft
[IMG]http://i1238.photobucket.com/albums/ff498/mjkkemper/null_zps98e8d64b.jpg[/IMG]
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Re: 346 Bow Thruster

Postby Mkemper » January 25th, 2015, 5:03 pm

The length of the tunnel real depends on the location. I am installing a Max power thruster CT80 and a 30" tunnel length is plenty. The tunnel diameter is 8" This is on a carver 3207 which is fairly close to yours with a LOA just over 37' key is the location once you find that you will know your tunnel length. Rule of thumb is is must be at least one diameter of the tunnel below the water line. As far forward as possible. Key as well is the lenght at the bottom of the tunnel which will vary greatly from the top of the tunnel.

What make and model thruster?

Oh and when spring rolls around I will include this project in the Carver 3207 revised thread

Think spring! :)
Image

Topic author United States of America
jostephens
Scurvy Dog
Scurvy Dog
Posts: 12
Joined: January 24th, 2015, 2:31 pm
Vessel Info: 2002 346 Carver Twin MerCruiser MX 6.2 MPI (320-hp)
Fox Island, WA

Re: 346 Bow Thruster

Postby jostephens » January 25th, 2015, 5:15 pm

Hello Mkemper, thanks for the reply, I just did another post to answer Shemp's post, it has the unfo on my thruster, a 41" tunnel came with the thruster so I think it will be plenty long.

Topic author United States of America
jostephens
Scurvy Dog
Scurvy Dog
Posts: 12
Joined: January 24th, 2015, 2:31 pm
Vessel Info: 2002 346 Carver Twin MerCruiser MX 6.2 MPI (320-hp)
Fox Island, WA

Re: 346 Bow Thruster

Postby jostephens » January 25th, 2015, 5:19 pm

Sorry Shemp, after re-reading my first post, I can see where it appears I would be doing the work myself, nope, I am just suppling the parts so wanted to make sure my tunnel is long enough before it is hauled out. regards, Jim

Topic author United States of America
jostephens
Scurvy Dog
Scurvy Dog
Posts: 12
Joined: January 24th, 2015, 2:31 pm
Vessel Info: 2002 346 Carver Twin MerCruiser MX 6.2 MPI (320-hp)
Fox Island, WA

Re: 346 Bow Thruster

Postby jostephens » January 25th, 2015, 8:50 pm

Lemar 185TT 6.0 HP with 7 5/16 Tunnel
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Mkemper
Deck Hand
Deck Hand
Posts: 96
Joined: February 18th, 2013, 9:04 am
Vessel Info: 86' carver 3207 Aft
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Re: 346 Bow Thruster

Postby Mkemper » January 25th, 2015, 9:05 pm

jostephens wrote:Lemar 185TT 6.0 HP with 7 5/16 Tunnel


That's about the size I am installing. The 7 5/16 is most likely the inside dimension. The actual hole is probably 8". Something am sure your installer is well aware of. Anyways sure you will enjoy it and ya that tunnel lenght should be plenty
Image

Topic author United States of America
jostephens
Scurvy Dog
Scurvy Dog
Posts: 12
Joined: January 24th, 2015, 2:31 pm
Vessel Info: 2002 346 Carver Twin MerCruiser MX 6.2 MPI (320-hp)
Fox Island, WA

Re: 346 Bow Thruster

Postby jostephens » January 25th, 2015, 9:17 pm

Thanks, I am so looking forward to it, have had the boat for 10 years and with this boat when docking the wind is not your friend. : )
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Canada
Lyndon670
Admiral
Admiral
Posts: 657
Joined: July 29th, 2013, 11:35 pm
Vessel Info: 2000 Carver 506
Volvo TAMD74EDC
Location: Georgian Bay
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Re: 346 Bow Thruster

Postby Lyndon670 » February 1st, 2015, 11:18 am

I had my Silverton 42C which had a 15' beam and a huge bridge with full canvass - so it was basically a sailboat. But, I did not have a bow thruster, and just used the rudders and opposite engine with throttle and never had an issue. People forget that they can use the rudders WITH transmission while docking, most people only use transmissions.
Lyndon,
2000 Carver 506
FOXY JOE
Volvo 7.4TAMD
Queens Cove Marina
Georgian Bay, Ontario
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United States of America
waybomb
CYO Moderator
CYO Moderator
Posts: 1963
Joined: February 5th, 2013, 9:24 pm
Vessel Info: 1987 3697 Carver Mariner
1988 Cougar 46 Kevlar Vee offshore
1969 15' Glaspar / 1969 Johnson Electrmatic 85
1964 Barron Flat bottom drag boat
A couple of dinghies
Location: Saint Joseph and Trenton, MI
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Re: 346 Bow Thruster

Postby waybomb » February 1st, 2015, 3:30 pm

What Lyndon said. 4207 with gas engines. Essentially a sailboat. Never had a need for a thruster.
One time I needed help, but a thruster would not have helped. Came across the lake and it got bad. Like 35mph winds.

Radioed in and a neighbor was waiting with 100 foot of line. Pulled up, tied it to a center cleat, let the wind blow me down to my slip, and he, God bless him, locked that line tight right at the right time and swung right in. Perfect.
Thanks
Fred
1964 Barron Flatbottom with BBC Chevy
1969 Glaspar Avalon /1969 Johnson Electromatic 85
1987 Carver Mariner
1988 Cougar Kevlar 46' with triple blown 572s
http://s4.beta.photobucket.com/user/waybomb/library/
Past - 1988 2807, 1989 4207 Aft

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