CONTINUOUSWAVE

For the purpose of estimating the area of the doors, use 10 x 42 -inches; there are two doors. Good luck with the negotiations. I hope you are more successful with the purchase of this boat than the two prior Boston Whaler boats you posted about buying but eventually did not buy. If you actually bec...

Not perfect, but how about “Michael Rowed The Boat Ashore” as a possibility?

NICK--thanks for the reminder. The boat has a rub rail, but if it needed replacement that will be $250; the bow chock is about $50 and the lifting eyes about $50, for a total of another $350 into the project.

According to a recent article and based on a survey of the officers and men actually operating the ships, the Navy has decided to re-fit the ships of this class (DDG) with physical throttle handles and traditional helm controls instead of the touch screen control system that was in use, and to estab...

In a recently published article , United States Air Force Colonel John Claxton, Chief, PNT Mission Integration, Air Force Space and Missile Systems Center, indicates that the first GPS III-F (Follow-on) satellite is now expected to be launched in 2026. The GPS III-F satellites are anticipated to inc...

Then perhaps $9,000 for new engine, and maybe $1,500 for remote controls, gauges. Still need all kinds of stuff: ⋅ battery ⋅ battery switch ⋅ battery box ⋅ power distribution wiring ⋅ navigation lighting ⋅ anchor ⋅ cleats ⋅&n...

If you can think of a Christmas or Holiday song with a nautical theme, please contribute to a list starting here. I will begin with one I can think of:

--I Saw Three Ships Come Sailing In

Anyone else have a holiday song with a nautical theme?

The water line at rest remains over the brass drain tubes. Water remains in the [engine splash well] at all times. Check the integrity of the engine splash well drains. If the engine splash well drains have been continually immersed in the sea, and if they are not well sealed, they could be allowin...

The [1998 Mercury 200-HP two-stroke-power-cycle] engine starts and runs, but is very rough and smokes a lot. The 1998 Mercury 200-HP two-stroke-power-cycle engine is a very good engine. If the engine is in proper tune and properly maintained, it should not run roughly. If there is too much smoke in...

The broadside and collinear arrangements of the two antennas will be investigated in more detail. Antennas are in a broadside arrangement to each other when they are mutually located in the main lobe of the other. For this case we assume the antennas each have a gain of 3 dB. This is the worse situa...

Generally the maximum engine weight is not listed on the boat's capacity plate, as that limit is not required by federal regulations to be included in the placard in the boat. If Boston Whaler specified a maximum engine weight, you would have to find it in Boston Whaler literature. You can also cont...

I happened to see a small display advertisement for Lithium Batteries that announced "New Lower Prices". I followed the link to find an 80-Ampere-hour 12-Volt battery was available for just $1,099. I have not re-adjusted my notion of "low price" to include a $1,099 12-Volt 80-Amp...

"Old Grady-White" boats are somewhat infamous for wet plywood in their transoms. Many boats use wood, usually plywood, as a reinforcement for the transom area. For the internal wood reinforcement to become wet, there must be some means for seawater or rainwater to get inside the hull lamin...

Your plan to make an in-person inspection of the boat will give you greater insight into the condition of the boat than anyone can make from observing a few low-resolution images. The seller of the boat should be able to satisfy your inquiries about repairs made to the hull. For a 1990 model year hu...

Effect of High VSWR on Line Loss In making measurements with lossy transmission line and high VSWR values, the high VSWR on the transmission line increases the average voltage and current flowing in the transmission line, [*]which increases the loss in the transmission line from its matched impedan...

Effect of Directivity in the Directional Wattmeter on VSWR Measurement Accuracy In order to be a directional wattmeter the measuring device must be able to separately measured the forward and reverse waves on the transmission line, without interference from the wave that is not being measured. The ...

Transmission Line Loss in Various Type Coaxial Cables Coaxial cable loss in deciBels per 100-feet by type for 150-MHz (the nominal VHF Marine Band) when a perfect match (VSWR=1) exists on the line: RG-58C/U = 6.2 to 7.1 Belden RG-8X = 4.1 LMR-200 = 3.9 LMR-240 = 3.0 RG-213/U = 2.8 LMR-400UF = 1.8 B...

ASIDE: Derivation of the formula used above. In transmission line theory and terminology, the ratio of reflected voltage to the forward voltage is called the reflection coefficient and is indicated by the Greek capital Gamma, thus (1) Gamma = V ref /V fwd VSWR can be calculated from the reflection ...

This series of articles will look at the topic of VSWR Measurement in four sections: ⋅ Calculating VSWR from forward and reflected power readings with a directional wattmeter ⋅ Transmission line loss in various type coaxial cables ⋅ Effect of directivity in the directio...

MRZ'--since you are new to boating you may also be new to towing a trailer and new to the way a vehicle has a maximum tow rating. Let me remark briefly on this topic. The manufacturer's specification for maximum towing weight is not an absolute value, that is, the vehicle is not always able to tow t...

That worked out well. Actually, for a hand-held radio that MIGHT be used on more than one boat, having an MMSI from a licensed-by-rule agency in the USA is the recommended procedure. Standard-Horizon has been a leader in making DSC radios whose MMSI can be changed in the field, and since we have bee...

As Phil mentions, before you buy a new 150 MONTAUK, look around for a nice two- or three-year-old one. A 15-footer is a starter boat, and owners who discover how much fun there is in boating will often move to a bigger boat after a year or two. Go buy the boat, and we can give you more advice on how...

A boat on a trailer always weights more than you think. A rule of thumb is just about double the bare hull weight. The 150 MONTAUK bare hull weight is 1,050-lbs. The engine weighs 305-lbs. A trailer probably weighs about 500-lbs. We are already at a towed trailer weight of 1,755-lbs, and we don't ha...

With the change in the situation to the MMSI being issued by a licensed-by-rule agency, there weren’t any fees associated with the transfer of the MMSI to you. Essentially, he “sold” his vessel identification to you, and you can “sell” it back to him later. Of course, if your friend has a fixed moun...

Another possibility in single engine re-power: the Yamaha V8 5.6-liter 425-HP XTO engine. It weighs about 1,000-lbs. I don't know what it costs, but probably $45,000. Also, with regard to twin engine re-power, there is going to be a problem if you follow my advice about twin 250-HP engines: you prob...

Q2: What method have you used to determine that the boat is "full of water in the transom"? Q3: What basis was used to determine the boat static trim is "below its waterline"? Q4: Are you trying to sell the boat as-is? Q5: Are you trying to restore the boat for your own use? Q6: ...

Regarding the notion that two engines operating at lower throttle settings will be more fuel efficient than a single engine operating at a higher throttle setting: I don't agree. There are many factors that enter into the overall fuel economy in MPG for a boat hull, and influences like hull design a...

I cannot offer any first-hand information in regard to your two questions specific to the DF350. Regarding the notion of minimum power rating: if the figure is taken from Boston Whaler, the minimum power rating is the minimum power that will get the hull onto plane with a light load. Generally power...

FRONTIER--that was a very acute observation. I found that if I changed the playback mode of the youTube recording to 720p format the price became much easier to read. Thanks for finding that number. As I mentioned, I expected the MSRP to be above the $1-million mark, but $1.36-million is 36-percent ...

With NMEA-2000 networking, it is possible for multiple instances of the same device to appear on the network, and to be uniquely identified by their INSTANCE parameter. In general, the default setting of the INSTANCE value on a NMEA-2000 device will be INSTANCE 00. The value of INSTANCE is sent as a...

Re the HIN as described as "BWC5741J485" Assuming that the HIN is the newer format required for boats made in 1985, but for some reason the HIN is on a metal tag instead of the required embossing directly into the hull, the HIN can be interpreted as follows: BWC = Boston Whaler's manufactu...

DraggingBottom wrote:I know the boat hull is wet...

Please explain the basis or the method used to determine the 1995 DAUNTLESS 18 hull is wet, that is, there has been ingress of water into the interior foam of the Unibond hull. I am very interested to learn your method.

I found an interesting short discussion on the thermal expansion of hydraulic fluid oils at https://www.q8oils.com/general-industry/hydraulic-oil-compressibility-what-is-it-and-what-are-the-risks This article notes: The volume of a specific hydraulic oil not only changes due to pressure changes, but...

No further photographs will be necessary for the purpose of making an appraisal for the value of the hull. The ones posted already show sufficient information to make a rough estimate of value without an actual in-person inspection. The HIN is probably missing some information. It does not match eit...

Heya--that is a very crafty approach to instilling new foam. I am impressed with the ingenuity.

For more about changing the MMSI on a DSC radio by the end user, see

Reset of MMSI for DSC Radio by End User
http://continuouswave.com/forum/viewtopic.php?f=13&t=2676

For more about MMSI and hand held radios see

Handheld DSC Radio in USA: Use; MMSI Assignment
http://continuouswave.com/forum/viewtopic.php?f=13&t=2646

PatSea wrote:A friend of mine ...has his personal data registered to the MMSI number.

Actually, the MMSI is associated with a ship, not a person. The MMSI is part of the ship station license, and the owner of the ship is the licensee.

That's really the crux of the question. The MMSI was NOT obtained through BoatUS or Power Squadron. It was obtained through the FCC. I'm not sure if I can make the changes through the FCC. To get an FCC-issued MMSI the ship must also have an FCC ship station license and callsign. The MMSI is part o...

I know that changing the MMSI number in a radio requires that it be sent back to the radio manufacturer or to a qualified dealer. Standard-Horizon HX890 radios can have their MMSI changed in the field. Contact technical support at Standard-Horizon for details. MMSI IN GENERAL In general, an MMSI is...

Tom--thanks for reading my article. I know it is a bit out of the mainstream. Is [use of shielded cable] to protect the NMEA-0183 signal from outside interference, or to prevent it from causing interference? A shielded cable performs both functions: it keeps the internal signal from leaking out and ...

Figure 1 show what appears to be a hull molded in gray gel coat which has then been painted in a shade of while, with the paint now peeling off. There appears to be a federal HIN metal tag riveted to the hull on the starboard side of the transom notch. Take a close-up image of the HIN and more infor...

Give a view of the hull at the transom as seen from astern.

What exactly are we appraising? Is this boat a beefed up Montauk 17 hull? Or a beefed up Outrage 17 II hull? What color is the gel coat? What is the condition of the gel coat? Where has the boat been the last 34-years? What sort of use? What climate? Where was it stored? Are there railings, a center...

For just a 34-year-old bare 17-foot hull that probably was in commercial or (worse) military or (even worse) municipal local government service, maybe $1,000 for a quick sale. Condition will be a influence. The more stuff that comes with it, the more value.

Inasmuch as there does not appear to be any convenient, quick, and inexpensive source for getting a two-pair cable with the NMEA wire insulation colors, I have turned to a simpler, faster, and less expensive solution. A close reading of the NMEA-0183 standard mdash at least the portions of it that I...

FNO (Frank)--many thanks for promptly sending the cable as you promised. I promptly set it aside for a few months to go boating. I just got around to writing more about that cable. Please see the new topic on off-the-shelf cable useful for NMEA-0183 wiring: NMEA-0183: Two-pair shielded cable with pr...

Better go buy it. Even at this time of year, a nice classic Boston Whaler boat at a fair price will be sold quickly, especially one that only costs $3,000 or $3,500.

Re E-TEC: my opinion based on my own experience is that 200 to 250-HP E-TEC legacy engines that are now about 10-years old, that is, model year 2010 engines, have excellent reliability and durability. However, I would never sell my 2010 E-TEC 225 (which has about 600-hours, almost exclusively freshw...

With regard to identifying signals in the data pairs, the "Data H" and "Data L" signals may be inferred from the wire insulation color by using an analogy to earth-and-sky or hot-and-cold. For earth-and-sky the color analogies are DATA H / DATA L Yellow (sun) / Green (grass) Whit...

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