Search found 8997 matches

by jimh
Sun Apr 18, 2021 12:55 pm
Forum: SMALL BOAT ELECTRICAL
Topic: Wiring for Navigation Lighting, Specific to a particular manufacturer, year, and model
Replies: 3
Views: 136

Re: Wiring for Navigation Lighting, Specific to a particular manufacturer, year, and model

Regarding the wire insulation color on marine electrical installations, the positive circuit wiring for navigation lamps is usually carried on a conductor with GRAY insulation. For more advice on marine electrical wire color codes see Marine Wiring Color Codes http://continuouswave.com/whaler/refere...
by jimh
Sun Apr 18, 2021 12:37 pm
Forum: The GAM
Topic: The WHALER 27 Models and hull dimensions
Replies: 2
Views: 85

Re: The WHALER 27 Models and hull dimensions

Your inquires about other models than the WHALER 27, WHALER 27 FULL CABIN, and WHALER 27 WALKAROUND are interesting, but not covered in my most recent new research. Perhaps you can research those models and post a separate article. Here I was just looking at the WHALER 27 models. The three distinct ...
by jimh
Sun Apr 18, 2021 12:05 pm
Forum: REPAIRS and MODIFICATIONS
Topic: 1996 MONTAUK 17: Leak at cockpit sump drain
Replies: 14
Views: 104

Re: 1996 MONTAUK 17: Leak at cockpit sump drain

That the c.1996 MONTAUK 17 had plastic through-hull drain fittings is quite interesting. I don't recall any mention of the change to plastic fittings from the brass tube fitting before in the MONTAUK models. That the drains are all plastic is new information. Perhaps Boston Whaler made that change t...
by jimh
Sun Apr 18, 2021 11:52 am
Forum: REPAIRS and MODIFICATIONS
Topic: 1996 MONTAUK 17: Leak at cockpit sump drain
Replies: 14
Views: 104

Re: 1996 MONTAUK 17: Leak at cockpit sump drain

Using 3M5200 was probably a mistake. Removal may be difficult, as you already commented. As I recall, there may be a solvent that helps loosen 3M5200. However, I have no idea what such a solvent might do to the foam in the interior of the Unibond hull. Proceed cautiously with any sort of solvent you...
by jimh
Sun Apr 18, 2021 5:02 am
Forum: REPAIRS and MODIFICATIONS
Topic: 1993 Evinrude 48SPL: Removing Upper Bearing
Replies: 7
Views: 99

Re: 1993 Evinrude 48SPL: Removing Upper Bearing

Congratulations on being able to remove the upper bearing from the 1993 Evinrude 48SPL. You persistence has paid off. I guess you really wanted to change that bearing.
by jimh
Sun Apr 18, 2021 4:58 am
Forum: REPAIRS and MODIFICATIONS
Topic: 2001 Dauntless 16 Replacement Windshield; Sump Pump; Bottom Paint
Replies: 6
Views: 43

Re: 2001 Dauntless 16 Replacement Windshield; Sump Pump; Bottom Paint

I am torn as to whether or not the [hull] bottom should be re-painted. The hull has some barnacles that need removing. The paint seems spotty in places. If there is substantial marine growth already attached to the hull bottom, then clearly the anti-fouling paint was inadequate in preventing the gr...
by jimh
Sun Apr 18, 2021 4:52 am
Forum: REPAIRS and MODIFICATIONS
Topic: 2001 Dauntless 16 Replacement Windshield; Sump Pump; Bottom Paint
Replies: 6
Views: 43

Re: 2001 Dauntless 16 Replacement Windshield; Sump Pump; Bottom Paint

Q2: what is the appropriate size [for a replacement windshield for a 2001 DAUNTLESS 16]? Q3: what is the size [for a replacement windshield for a 2001 DAUNTLESS 16]? I don't understand the difference between Q2 and Q3. A replacement windshield needs to be the correct size to fit onto the center con...
by jimh
Sun Apr 18, 2021 4:50 am
Forum: REPAIRS and MODIFICATIONS
Topic: 2001 Dauntless 16 Replacement Windshield; Sump Pump; Bottom Paint
Replies: 6
Views: 43

Re: 2001 Dauntless 16 Replacement Windshield; Sump Pump; Bottom Paint

Give me a suggestion for a replacement sump pump. I suggest you replace the existing electric sump pump with a similar model. The brand and model are usually very clearly marked on the pump housing. The RULE brand centrifugal pump is a very common pump used by Boston Whaler to evacuate water from a...
by jimh
Sun Apr 18, 2021 4:49 am
Forum: REPAIRS and MODIFICATIONS
Topic: 2001 Dauntless 16 Replacement Windshield; Sump Pump; Bottom Paint
Replies: 6
Views: 43

Re: 2001 Dauntless 16 Replacement Windshield; Sump Pump; Bottom Paint

Q1: Where can I purchase [a replacement windshield for 2001 DAUNTLESS 16]? A1: I doubt there is an off-the-shelf replacement windshield available available from a general boat supply store. Contact your Boston Whaler dealer to see if there is a replacement part available from Boston Whaler. Also co...
by jimh
Sat Apr 17, 2021 8:22 pm
Forum: REPAIRS and MODIFICATIONS
Topic: 1996 MONTAUK 17: Leak at cockpit sump drain
Replies: 14
Views: 104

Re: 1996 MONTAUK 17: Leak at cockpit sump drain

It is much easier to stop more water from getting into the hull foam than it is to get water out of the hull foam. When a drain tube passes through the Unibond hull of a Boston Whaler boat, the hole it passes through was probably not treated with any sort of sealant at the factory in the original fa...
by jimh
Sat Apr 17, 2021 7:53 pm
Forum: PERFORMANCE
Topic: Crouch's Calculator Restored
Replies: 0
Views: 29

Crouch's Calculator Restored

I am again very pleased to announce that another boat performance calculator, the Crouch's Calculator, has now been restored to operation. The new version is a complete re-write of the old calculator with a new code base. The new Crouch's Calculator can be found at http://continuouswave.com/calculat...
by jimh
Sat Apr 17, 2021 3:01 pm
Forum: The GAM
Topic: The WHALER 27 Models and hull dimensions
Replies: 2
Views: 85

The WHALER 27 Models and hull dimensions

One of the larger classic-era Boston Whaler boats was a model called the WHALER 27. These boats were generally listed by Boston Whaler under the grouping of SPORTFISHING MODELS. All models with this designation share the same hull, with these dimensions: LOA: 26-feet 7-inches, except the Whaler Driv...
by jimh
Sat Apr 17, 2021 2:16 pm
Forum: VHF MARINE RADIO
Topic: Effect of Transmission Line Loss on VSWR Measurement
Replies: 0
Views: 15

Effect of Transmission Line Loss on VSWR Measurement

This article is a brief primer on how loss in a transmission line between transmitter and antenna can affect VSWR measurements taken at the transmitter end of the transmission line loss. First, to understand VSWR you need to know that if an antenna impedance is a mismatch for the transmission line i...
by jimh
Sat Apr 17, 2021 1:59 pm
Forum: REPAIRS and MODIFICATIONS
Topic: 1993 Evinrude 48SPL: Removing Upper Bearing
Replies: 7
Views: 99

Re: 1993 Evinrude 48SPL: Removing Upper Bearing

So far I have about five hours into this so that translates to $500 shop hours I saved. Investing $500 in shop labor to rehabilitate a c.1993 high-emission two-stroke-power-cycle engine might not be the best money ever spent. You need an local long-time OMC dealer who never throws away any old engi...
by jimh
Sat Apr 17, 2021 11:32 am
Forum: REPAIRS and MODIFICATIONS
Topic: 1993 Evinrude 48SPL: Removing Upper Bearing
Replies: 7
Views: 99

Re: 1993 Evinrude 48SPL: Removing Upper Bearing

At one time I had a 1987 Yamaha 70-HP engine. The propeller shaft seal needed replacement in c.2003. The seal was the original, so it was 16-years-old. The engine had been used occasionally in saltwater. There was a large diameter circular aluminum retainer that was very firmly corroded in place to ...
by jimh
Fri Apr 16, 2021 2:46 pm
Forum: SMALL BOAT ELECTRICAL
Topic: Wiring for Navigation Lighting, Specific to a particular manufacturer, year, and model
Replies: 3
Views: 136

Re: Wiring for Navigation Lighting, Specific to a particular manufacturer, year, and model

Q1: On a [1986 MONTAUK 17 boat] was the original wiring from the factory [for control of the navigation lamps] installed as I will describe below? A1: the electrical circuit described in your narrative sounds appropriate. The dash panel switch provides two separately switched circuits for the posit...
by jimh
Fri Apr 16, 2021 1:53 pm
Forum: VHF MARINE RADIO
Topic: Antennas for AIS Transmitters
Replies: 0
Views: 29

Antennas for AIS Transmitters

This article will look at the requirements for an antenna for an AIS transmitter, and at the effects that occur if one antenna is to be used for both an AIS transmitter and for a VHF Marine Band ship station radio transmitter. DIFFERENT FREQUENCIES An AIS transmitter operates at 162-MHz, at the very...
by jimh
Thu Apr 15, 2021 11:14 am
Forum: PERFORMANCE
Topic: How to Raise Engine Mounting Height
Replies: 1
Views: 70

Re: How to Raise Engine Mounting Height

Methods of raising the engine mounting height vary. See

http://www.continuouswave.com/ubb/Forum4/HTML/000172.html

for descriptions of several methods.
by jimh
Thu Apr 15, 2021 9:29 am
Forum: PERFORMANCE
Topic: SUZUKI DF60 Owners Sought For Comments
Replies: 4
Views: 105

Re: SUZUKI DF60 Owners Sought For Comments

I think the original post creates confusion about the weight of modern engines, In the original post the weights mentioned are all in reference to an unspecified other engine's weight. It is hard to follow the narrative about engine weight because the only actual weight mentioned was 300-lbs for the...
by jimh
Thu Apr 15, 2021 8:29 am
Forum: PERFORMANCE
Topic: SUZUKI DF60 Owners Sought For Comments
Replies: 4
Views: 105

Re: SUZUKI DF60 Owners Sought For Comments

An account of re-powering a MONTAUK with a Yamaha F50 is given in this prior article: Storm Story: July 17, 2006, Manitoulin Island http://continuouswave.com/ubb/Forum1/HTML/013113.html You might find some useful information there with regard to the engine weight and its effect on the MONTAUK 17 hull.
by jimh
Wed Apr 14, 2021 5:30 pm
Forum: PERFORMANCE
Topic: Super Sport 15 Re-power 60-HP
Replies: 6
Views: 212

Re: Super Sport 15 Re-power 60-HP

The engine weight is 247-lbs. Max rpm is 5500-6000. Gear ratio (standard gear case) is 1.83:1 An engine weight of 247-lbs is a reasonable weight for a 15-foot hull. Compare at http://continuouswave.com/ubb/Forum4/HTML/002449.html Using 5750-RPM (the middle of the recommended maximum engine speed ra...
by jimh
Wed Apr 14, 2021 12:50 pm
Forum: The GAM
Topic: Recommend Yamaha Dealer in North Carolina; Gel Coat Repair Vendor
Replies: 3
Views: 120

Re: Recommend Yamaha Dealer in North Carolina; Gel Coat Repair Vendor

I have never heard of an age limit for a boat to qualify for a new engine. It sounds like the dealer is unfamiliar with Boston Whaler boats and their useful service life. Perhaps that dealer has some bad experiences with previous customers who put a new engine on an old boat (on its last legs) and w...
by jimh
Wed Apr 14, 2021 11:55 am
Forum: The GAM
Topic: Safety Lanyard Poll
Replies: 17
Views: 1144

Re: Safety Lanyard Poll

porthole wrote:I voted never, but that is because I have installed Fell Marine MOB's on two different boats...


I altered the poll question to refer to an "engine cut-off link", so your device is covered by that nomenclature.
by jimh
Wed Apr 14, 2021 11:31 am
Forum: PERFORMANCE
Topic: Montauk 17 with 115-HP 25-inch-shaft
Replies: 4
Views: 97

Re: Montauk 17 with 115-HP 25-inch-shaft

If the current Yamaha propeller is marked "K17" I believe the K refers to the gear case diameter, and K propellers fit the Yamaha 70 to 130-HP engines. The K gear case engines are 4.25-inch hub diameter. The "17" is the pitch rating. The propeller may be a stainless steel or an a...
by jimh
Wed Apr 14, 2021 10:56 am
Forum: The GAM
Topic: OUTRAGE 25 Transom Strength: HP-rating; Engine Weight
Replies: 10
Views: 206

Re: OUTRAGE 25 Transom Strength: HP-rating; Engine Weight

There is some irony in this discussion. There have been very few classic-era OUTRAGE hulls re-powered with a six-cylinder VERADO engine, but the one I recall seeing was on an OUTRAGE 25 hull. To see an OUTRAGE 25 with notched transom with two VERADO six-cylinder engines is really quite astonishing. ...
by jimh
Tue Apr 13, 2021 2:07 pm
Forum: REPAIRS and MODIFICATIONS
Topic: OUTRAGE 22 SUPER CONSOLE: Moving Batteries to Center Console:
Replies: 7
Views: 97

Re: OUTRAGE 22 SUPER CONSOLE: Moving Batteries to Center Console:

...by switches [moving to the recess where the fire-extinguisher was] I mean the engine battery selector switches and house battery switch. Thanks for the clarification on what you meant by "electrical switch." As I already mentioned, you will have to move the primary battery switch and p...
by jimh
Tue Apr 13, 2021 1:43 pm
Forum: REPAIRS and MODIFICATIONS
Topic: OUTRAGE 22 SUPER CONSOLE: Moving Batteries to Center Console:
Replies: 7
Views: 97

Re: OUTRAGE 22 SUPER CONSOLE: Moving Batteries to Center Console:

I plan to repurpose the fire extinguisher hatch as a electrical switch compartment. I don't think moving all the electrical switches to the old fire-extinguisher recessed panel is a good idea. How would you access those switches while piloting the boat at the helm? The usual location for any electr...
by jimh
Tue Apr 13, 2021 1:38 pm
Forum: REPAIRS and MODIFICATIONS
Topic: OUTRAGE 22 SUPER CONSOLE: Moving Batteries to Center Console:
Replies: 7
Views: 97

Re: OUTRAGE 22 SUPER CONSOLE: Moving Batteries to Center Console:

One of the pictures in your gallery shows that the access hole in the deck through which engine rigging and other cables pass DOES NOT have the usual surrounding raised plastic shield or water dam to keep water from entering the rigging tunnel. See: http://continuouswave.com/forum/download/file.php?...
by jimh
Tue Apr 13, 2021 1:28 pm
Forum: REPAIRS and MODIFICATIONS
Topic: OUTRAGE 22 SUPER CONSOLE: Moving Batteries to Center Console:
Replies: 7
Views: 97

Re: Avoiding Voltage Drop in Engine Cranking Battery Cables

I am thinking of moving the batteries to the [SUPER CONSOLE on an OUTRAGE 22 boat] console. Give input. Advice on moving the engine cranking battery out of the boat's stern and to the helm console is given in many prior discussion. I recommend this discussion in SMALL BOAT ELECTRICAL for the electr...
by jimh
Tue Apr 13, 2021 1:19 pm
Forum: The GAM
Topic: OUTRAGE 25 Transom Strength: HP-rating; Engine Weight
Replies: 10
Views: 206

Re: OUTRAGE 25 Transom Strength: HP-rating; Engine Weight

A c.1986 OUTRAGE 25 with 550-HP would be a boat capable of more than 70-MPH. I am basing this on a similar OUTRAGE 25 with 400-HP that could go more than 60-MPH. Why would you want to push a 35-year-old hull to over 70-MPH? The OUTRAGE hull was not designed for those speeds. Without some added buoya...
by jimh
Mon Apr 12, 2021 4:31 pm
Forum: REPAIRS and MODIFICATIONS
Topic: Steering Wheel Paracord Wrap
Replies: 4
Views: 331

Re: Steering Wheel Paracord Wrap

Thanks for the follow-up. youTube demonstrations are often helpful. But thinking outside the box can also be helpful. I really do not see how the location of the knot must be on the outside edge of the steering wheel tube. What is your opinion of the wrap on the steering wheel in terms of an aid in ...
by jimh
Mon Apr 12, 2021 2:01 pm
Forum: PERFORMANCE
Topic: Chasing the Last MPH in Top Speed
Replies: 0
Views: 77

Chasing the Last MPH in Top Speed

Many boat owners are seeking the most performance possible from their engine and propeller by looking at the maximum boat speed possible, often in increments of speed as small as 1-MPH or less. For boats running in the 40-MPH range, a propeller of 17 to 19-pitch is typically used. With a propeller o...
by jimh
Mon Apr 12, 2021 1:28 pm
Forum: The GAM
Topic: 180 DAUNTLESS Changes During Production Epoch
Replies: 5
Views: 105

Re: 180 DAUNTLESS Changes During Production Epoch

I agree with BUTCH regarding changes to the hull. To change the hull would require an entirely new hull mold. Making new molds is a complicated and expensive process. However, I differ on the liner mold changes. Because the boat really consists of two major molded components, the hull and the liner,...
by jimh
Mon Apr 12, 2021 1:20 pm
Forum: The GAM
Topic: OEM Seat Pads for c.1972 13-footer: Need advice
Replies: 5
Views: 109

Re: OEM Seat Pads for c.1972 13-footer: Need advice

As historical artifacts, the cushions--that is the images of them and their existence--are very interesting. I do not believe cushions like these have been mentioned, seen, or discussed before. Thanks for this most interesting information.
by jimh
Mon Apr 12, 2021 1:17 pm
Forum: The GAM
Topic: OEM Seat Pads for c.1972 13-footer: Need advice
Replies: 5
Views: 109

Re: OEM Seat Pads for c.1972 13-footer: Need advice

If you want to get rid of them, you should post a notice of For-sale in MARKETPLACE and set a very low price. I am certain the cushions will be of interest to someone, more as a practical cushion to use than as an historical artifact. If getting rid of them at a very low price, you might give some c...
by jimh
Mon Apr 12, 2021 11:03 am
Forum: The GAM
Topic: 170 Montauk Instrument Panel Replacement
Replies: 11
Views: 149

Re: 170 Montauk Instrument Panel Replacement

On getting a blank plastic panel and drilling large circular holes for gauges: drilling large diameter circular holes in a thin plastic panel can be difficult and prone to damaging the plastic. If you buy an expensive blank panel, be very careful when using hole saws to make large diameter circular ...
by jimh
Mon Apr 12, 2021 10:50 am
Forum: The GAM
Topic: 170 Montauk Instrument Panel Replacement
Replies: 11
Views: 149

Re: 170 Montauk instrument panel replacement

...Replace the switch "covers" with labels...New Wire Marine sells switches and covers at reasonable prices. https://newwiremarine.com/marine-grade-switches/ I like Phil's idea. If the pre-printed switch covers are only $5, that is a bargain. It would make the refurbishment look better th...
by jimh
Mon Apr 12, 2021 10:46 am
Forum: The GAM
Topic: 170 Montauk Instrument Panel Replacement
Replies: 11
Views: 149

Re: 170 Montauk instrument panel replacement

The real problem with home-brewing (fabricating) a new panel on your own is the difficulty in making the precision rectangular holes for the several power switches. The switches fit into the panel with snap-in-place retainer latches, and the cut out in the panel must be very precisely made. If the f...
by jimh
Mon Apr 12, 2021 10:18 am
Forum: The GAM
Topic: 180 DAUNTLESS Changes During Production Epoch
Replies: 5
Views: 105

Re: 180 DAUNTLESS Changes During Production Epoch

BolinasWhaler wrote:...to answer your question...

I did not have a question about what changes you were interested in. I just want to know when the boat began and ended production. I think the first step in finding out what changed during production is to first find out when production began and when it ended.
by jimh
Sun Apr 11, 2021 11:37 pm
Forum: PERFORMANCE
Topic: Sport 15, 30-HP
Replies: 2
Views: 91

Re: Sport 15, 30-HP

See the REFERENCE Section article on the 15-foot hull. The minimum horsepower to put the 15-foot hull on plane is given there: http://continuouswave.com/whaler/reference/15/ The minimum horsepower recommendation (20-HP) is for a very lightly loaded boat. I recommend you buy a new Yamaha F50. You wil...
by jimh
Sun Apr 11, 2021 11:24 pm
Forum: REPAIRS and MODIFICATIONS
Topic: 1986 Montauk Rot
Replies: 2
Views: 136

Re: 1986 Montauk Rot

Embedded wood under the cockpit deck can become rotted and soft if freshwater has been allowed to get through holes in the deck laminate and gel coat and seep into the wood. Even boats kept in saltwater can get fresh water under the deck if rain has been allowed to accumulate and the deck has unseal...
by jimh
Sun Apr 11, 2021 11:12 pm
Forum: The GAM
Topic: 180 DAUNTLESS Changes During Production Epoch
Replies: 5
Views: 105

Re: 180 DAUNTLESS Changes During Production Epoch

What changed in the the design of a 180 DAUNTLESS over its years? Can you be more specific about the year range that is "over its years"? What year was the 180 DAUNLTESS introduced? What year did 180 DAUNTLESS production end? Re other articles on the 180 DAUNTLESS: to find resources on th...
by jimh
Sun Apr 11, 2021 9:31 am
Forum: PERFORMANCE
Topic: 2001 Montauk 17 115-HP
Replies: 11
Views: 1144

Re: 2001 Montauk 17 115-HP

Please renew this thread when you get another propeller and have more test data to present.
by jimh
Sat Apr 10, 2021 9:39 pm
Forum: SMALL BOAT ELECTRICAL
Topic: Battery Has Odor of Vinegar
Replies: 3
Views: 117

Re: Battery Has Odor of Vinegar

Adding water to a lead-acid battery electrolyte dilutes the concentration of the acid and reduces the electrical stored charge in the storage battery. If the electrolyte level is low, water should be added to restore the electrolyte to the proper level, and then the battery should be charged to incr...
by jimh
Sat Apr 10, 2021 5:50 pm
Forum: MARKETPLACE
Topic: Appraisal: 1989 Eagle Tandem Axel Trailer
Replies: 4
Views: 150

Re: Appraisal: 1989 Eagle Tandem Axel Trailer

I cannot see much detail in Figure 1, but my general experience with EAGLE trailers--made near me and popular--is they generally have all the hull support brackets welded in place. The trailer is more or less custom or unique to the boat that is to be trailered on it. For that reason, the value of t...
by jimh
Sat Apr 10, 2021 5:43 pm
Forum: The GAM
Topic: A c.1985 SPORT 15: Island Shuttle; Work; Plans; Weather, Future
Replies: 4
Views: 595

Re: A c.1985 SPORT 15: Island Shuttle; Work; Plans; Weather, Future

Re the confusion over the year of manufacture: the federal HIN will clearly identify the model year and year of production. Re the SPORT 15: the best small skiff ever made. I used to have one and loved that boat. By the way, your SPORT 15 has the seat back option. That is a nice upgrade from the pla...
by jimh
Sat Apr 10, 2021 1:35 pm
Forum: REPAIRS and MODIFICATIONS
Topic: Steering Wheel Paracord Wrap
Replies: 4
Views: 331

Re: Steering Wheel Paracord Wrap

Is there a particular reason the knots are on the outside diameter of the outer tube of wheel?

I would expect that having the knots on the inside edge would give the palm of your hand on the wheel a better feel.
by jimh
Fri Apr 09, 2021 11:05 am
Forum: The GAM
Topic: 170 Montauk on Hoist
Replies: 13
Views: 443

Re: 170 Montauk on Hoist

Regarding why Boston Whaler explicitly cautions against lifting the 170 MONTAUK by its lifting eyes for "long term", it has been suggested that this is due to concern about exposing Boston Whaler to risk of being "liable" for some future harm. I think the risk is clearly laid out...
by jimh
Fri Apr 09, 2021 10:58 am
Forum: The GAM
Topic: 170 Montauk on Hoist
Replies: 13
Views: 443

Re: 170 Montauk on Hoist

In order to create the least stress on the attachment points on the boat for hoisting, the direction of the lifting force should be completely vertical, that is, the hoist rope (or chain or strap) should be hanging down perfectly vertically when connected to each eye. In this way there won't be any ...
by jimh
Fri Apr 09, 2021 10:24 am
Forum: The GAM
Topic: 170 Montauk on Hoist
Replies: 13
Views: 443

Re: 170 Montauk on Hoist

What is the dimension for the distance between the I-beams the support the hoists in Figure 1? Is the location of the hoists on the beam supports fixed or moveable? From Figure 1 I infer the boathouse is open to the sea on the right. [Note: I reoriented the image files in Figure 1 and 2 to make the ...