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Author Topic:   Nantucket through hulls
Kencvit posted 07-13-2005 12:05 PM ET (US)   Profile for Kencvit   Send Email to Kencvit  
I took my new nantucket for a trial last weekend with dealers yard man who had taken the boat to the ramp . There was 4 on board in total. About a mile out in 2 foot swells I got a call from the salesman on my cell to say there may not be a plug in the bilge. We pulled the hatch to see the bilge flooded. On another boat this would have caused some concern. We stopped, found the plug and carried on. 5 minutes later the livewell overflowed, having been inadvertantly turned on. We shut it down and pulled the plug and carried on.
With 4 on board , full tank (and bilge and livewell flooded ) we had gotten up on plane well with the 135 .We pounded a bit in head and quartering 2 foot seas but I expect that once I gain experience with the trim and speed that the ride will improve.
Otherwise the boat was very sable,solid and for the most part dry .Passengers at and behind leaning post got sprayed but the bow and passenger on the cooler seat was completely dry.I won`t get back to pick it up for a couple of weeks but I have the owners manual supplement and engine and Navman manuals which I am studying.
My question is on the through hulls. I have read some posts of them leaking and the manual says to check and reseal every other year.It states to check them in the water for drips.
If you remove the bilge hatch can you see deck and livewll drains ?
The seal on the hull on the anchor locker doesn`t look complete . This is above the water line, right?, but still a concern.
Does water from a bad seal go only into the bilge ? Can it get into the foam ? How are the through hulls sealed at the factory? Are the Stainless fittings better sealing?
Some of these answers might be obvious if I had the boat to look at.At the time at the yard it was overlooked to check or ask about them . Reading on CW has brought this to my attention.
Overall we are impressed with boat and dealer and I`m studying everything about it.The dealer is quite a distance away so I`m hoping to have any small problems cleared up at final inspection and trial. Thanks Ken
highanddry posted 07-13-2005 02:24 PM ET (US)     Profile for highanddry  Send Email to highanddry     
The anchor locker drain plug is above water level. In swells while at rest it may dip belwo water level. I have been leaving t hat plug out on purpose to drain my anchor line.
I would not get less than a 150.
I saw that about the through hulls dripping in the manual and have no idea what they are talking about.

What seal on the anchor locker?

Kencvit posted 07-13-2005 02:57 PM ET (US)     Profile for Kencvit  Send Email to Kencvit     
high and dry,
The seal I`m referring to is the plastic flange of the through hull on the outside of the hull from the anchor locker. The caulk around it appears to have a gap in it.
Perry posted 07-13-2005 04:30 PM ET (US)     Profile for Perry  Send Email to Perry     
Mine does too but I don't think it would leak. I'm going to put some marine silicone sealant around it soon.
Whalerider posted 07-14-2005 07:39 AM ET (US)     Profile for Whalerider  Send Email to Whalerider     
Let me make sure I understand what BW is saying. They want you to remove the entire thru-hull fitting, clean it, and reinstall every 2 years?

Mark

jackswhaler posted 07-14-2005 11:45 AM ET (US)     Profile for jackswhaler  Send Email to jackswhaler     
Anyone who says they would not get less than a 150HP on a Nantucket has either never owned one with a 135 Optimax or lives way above sea level.
highanddry posted 07-14-2005 01:53 PM ET (US)     Profile for highanddry  Send Email to highanddry     
Regardless, I would not get less that the max rated power on the Nantucket or most any other boat. Same weight, more power, why cheat yourself. The only reason I can see is that the 135 is three star rated, that might impact use of the boat in some rare areas. Heavy loads of divers (fisherman, family water sports) and gear need power, horsepower that is!
highanddry posted 07-14-2005 03:07 PM ET (US)     Profile for highanddry  Send Email to highanddry     
Back on subject, I went and looked at my 'tucket. The forward through hull drain for the anchor locker has a complete circle of squeezed out sealant both on the outside and the inside as does the other fittings on the boat. I would imagine that the boat your getting does have sealant and if your worried have the dealer reseal the fitting(s). I would use a 3M marine grade sealant and not white generic silicone caulk.
Whalerider posted 07-14-2005 07:26 PM ET (US)     Profile for Whalerider  Send Email to Whalerider     
jackswhaler,

I have 150hp on my Nantucket and I wouldn’t want less for my use. Actually, if I had my choice a 175 or 200 would be about right. On the other hand, just 15 hp isn’t that big of a deal. My question is...why would you recommend a 135 over a 150? What advantage is there? I ask this with the most respect.

Mark

Sal A posted 07-14-2005 07:39 PM ET (US)     Profile for Sal A  Send Email to Sal A     
http://continuouswave.com/whaler/reference/190Nantucket.html

In jimh's reference article (135 Opti is the green line on the graph, 150 Opti is the red line, and both engines had the same prop), the 2 engines are seperated by very little performace wise. Given that the 135 Optimax is cheaper, and 3 star emission rated, I would count that as two potential reasons. (no offense)

A productive outcome of the next month for all of us Nantucket owners would be to test and write down the results of our individual engines' performance figures, and email them to our host. Perhaps we could see that great graph with a Yamaha F150, Honda BF150, Honda BF35, Suzuki DF140 and DF150, and Verado's included by the February 2006 Miami boat show.

Sal A posted 07-14-2005 07:39 PM ET (US)     Profile for Sal A  Send Email to Sal A     
Ken,

We hijacked your thread. I am sorry about that.

Kencvit posted 07-14-2005 09:32 PM ET (US)     Profile for Kencvit  Send Email to Kencvit     
Thats fine Sal,
I`m following all topics closely on this board and appreciate the opinions and answers.
High and dry, I`ll have the dealer look at the seals for me to confirm they`re good.
Still wondering about where the water goes if seals leak,
in some through hulls it would be the bilge but on others??
I was reading some archives on transducers/leaks/seals and water drips coming them when they are removed or changed. Maybe that water dripping out of the transom is not from a transducer seal but from a through hull seal that has made its way to the transom.
Yiddil posted 07-15-2005 12:00 AM ET (US)     Profile for Yiddil  Send Email to Yiddil     
Per the reference article....and for everyone's info........


"As is quite normal with moderate vee-hull boats, the 190 Nantucket boat appears to need about 20-MPH to get onto hydroplane. In comparing all engines, the most powerful (the 150-HP Optimax) has the boat on plane at the lowest engine speed (3000-RPM), a result of its larger pitch propeller and gear ratio (only engine less than 2:1). Curiously, one of the least powerful engines (115-HP 2-stroke) appears to be able to get the boat on-plane almost as well! " and it does:)))

Yiddil posted 07-15-2005 12:01 AM ET (US)     Profile for Yiddil  Send Email to Yiddil     
Per the reference article....and for everyone's info........


"As is quite normal with moderate vee-hull boats, the 190 Nantucket boat appears to need about 20-MPH to get onto hydroplane. In comparing all engines, the most powerful (the 150-HP Optimax) has the boat on plane at the lowest engine speed (3000-RPM), a result of its larger pitch propeller and gear ratio (only engine less than 2:1). Curiously, one of the least powerful engines (115-HP 2-stroke) appears to be able to get the boat on-plane almost as well! " and it does:)))

Yiddil posted 07-15-2005 12:01 AM ET (US)     Profile for Yiddil  Send Email to Yiddil     
Per the reference article....and for everyone's info........


"As is quite normal with moderate vee-hull boats, the 190 Nantucket boat appears to need about 20-MPH to get onto hydroplane. In comparing all engines, the most powerful (the 150-HP Optimax) has the boat on plane at the lowest engine speed (3000-RPM), a result of its larger pitch propeller and gear ratio (only engine less than 2:1). Curiously, one of the least powerful engines (115-HP 2-stroke) appears to be able to get the boat on-plane almost as well! " and it does:)))

Yiddil posted 07-15-2005 12:02 AM ET (US)     Profile for Yiddil  Send Email to Yiddil     
OOOPS, sorry. this computer did some funny things tonite:)(
Kencvit posted 07-15-2005 02:27 AM ET (US)     Profile for Kencvit  Send Email to Kencvit     
Yiddil,
I had that same stuttering problem with my email, sorry.
Seems to be working fine now.
highanddry posted 07-15-2005 04:00 AM ET (US)     Profile for highanddry  Send Email to highanddry     
I assume that water that finds it's way into the hull will creep along the foam glass interface until it finds some void or low spot. I doubt that the bond between the glass and foam is completely --I cannot think of a word--- without void. I also suspect that more water finds it's way into Whalers than might be imagined but also given the number of sound and funtional old Whalers about it is not a big worry item.

On the engine thing, if you have a higher gear ratio and 15 more horses turning it then obviously with the same boat, load and conditions the 150 Opti will push the boat faster for a given engine RPM than the 135 Opti--there is simply no way around this and I agree, the boat really needs a 175 and I bet next year when they change the name to Outrage and put the new decals on it that magically it will suddenly be good for more horsepower. Then there will be arguments to infinity about was changed--answer--probably nothing, if any of this comes to pass that is.

Back on the hull thing, I also imagine that a well cared for dry stored Whaler will have minimal to no water infiltration even after many years. A similar Whaler kept in the water much of the time--well---water probably gets in there to some extent.

whalerfan2 posted 07-17-2005 03:29 PM ET (US)     Profile for whalerfan2    
I was told by a dealer that the foam used in today's Whalers is nonabsorbant. (I'm not sure how far back 'today's whalers' is defined.) By looking at the 18' Dauntless cut in half for use in the 2005 Unsinkable Legend Tour, this statement seems fairly accurate.

As far as the horsepower on the Nantucket, the following article may imply that the Nantucket could be rated for 215 horsepower.

http://continuouswave.com/whaler/reference/ratedHP.html

Running the numbers for the Nantucket gets you:
(2 x 18.83 x 8) - 90 = 211.28, rounded up to the nearest 5 = 215.

On the other hand, the old 17 Outrage is shown by Whaler to have a max hp of 150, right on target for the Coast Guard's rating of 155. This is for a boat which is about 350 lbs. lighter, 1 foot less beamy, and a little more than a foot shorter.

Bottom line is that I don't understand why the Nantucket is not stamped by Whaler to carry more HP.

Whalerider posted 07-17-2005 05:25 PM ET (US)     Profile for Whalerider  Send Email to Whalerider     
whalerfan2,

I have said it many times... I think my Nantucket would be just right with a 175 or 200 hp engine! I can't understand the low rating on the boat, think the lawyers have something to do with it.

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