CONTINUOUSWAVE

The most impressive example of open source is the hyper-text mark-up language or HTML, which is the basis for the modern world wide web and graphical web browsers. When HTML was developed, it was completely open. And all browsers provided an option to see the source code that created the HTML page b...

The Garmin echoMAP CHIRP products with model numbers ending in 4 are also bundled with the most expensive transducer, making them attractive, too. I just noticed that with the echoMAP CHIRP series, Garmin appears to have included NMEA-2000 support. The earlier lower-tier echoMAP products did not hav...

Why not give us a link or a URL to a webpage that shows the pump? That will help readers to understand the pump being discussed. Maybe the pump we are discussing looks like this: http://newcontent.westmarine.com/content/images/catalog/large/10947414.jpg If it does, it looks quite clear that you snap...

Describing an AIS ATON as a waypoint is a good analogy. The Coast Guard is putting important navigation waypoints onto everyone's chart plotter--well, everyone with an AIS receiver and a chart plotter that can display the AIS ATON markers properly. I am awaiting the operation of several AIS ATONs in...

Lowrance apparently has a new product line coming that will be called "Hook." Information on it is embargoed until December 2015.

I have not tried them, but I was told that BOUNCE-brand dryer sheets were effective in repelling small animals from taking up habitat in a boat stored for the winter.

Good data from manufacturers about outboard engine horsepower, torque, and fuel consumption is hard to obtain. We only have the data used in this discussion because someone in the audience at the dealer reveal snapped a picture of it. I don't think these graphs have been published elsewhere by the m...

Most surprising to me is the modest improvement in fuel consumption at full-throttle in the modern engines compared to the traditional engines. Many people think that modern engines are achieving a miracle in reduced fuel consumption, but they are not doing it at full throttle. The big improvement i...

Many small centrifugal sump pumps are mounted by affixing a circular base plate to the hull. The pump assembly is then snapped into the base plate. A close visual inspection of the pump mounting should reveal if the pump you are trying to remove is using a separate mounting base. Give more details a...

For supercharged engines, maybe divide by 9 is closer.

There is an old standard for a rule of thumb for estimating outboard engine fuel consumption, dating back to the days of the conventional two-cycle outboard engine with carburetors, that says the fuel consumption at full throttle in gallons-per-hour will be the horsepower divided by ten. For example...

The kickstarter project is to create a piece of hardware that can connect legally to NMEA-2000. The SIGNAL K guys probably already know how to translate the NMEA-2000 parameters to the SIGNAL K parameters. They need a legitimate device that can connect to NMEA-2000 only for the moment, that is, for ...

The latest in marine electronic data communication protocols is SIGNAL K . SIGNAL K is a very interesting development. It is an initiative undertaken by a group of people who want to develop a marine data communication protocol for shipboard electronic devices that is an OPEN SOURCE project. This is...

I notice that in Lake Michigan there is a new AIS synthetic ATON signal from the PORTS DES MORTS Entrance lighted bell buoy, located east of the Door Peninsula in Wisconsin. This AIS ATON is MMSI 993672158 and is probably being transmitted by AIS Base Station 3669779 north of Sister Bay, Wisconsin.

I am not familiar with the Mercury SPITFIRE line of aluminum four-blade propellers, but since they are available in a very wide range of low pitches, 10-11-12-13-14-15, there should be one that is just right for your 60-HP application. Compare at: https://www.mercurymarine.com/en/us/propellers/elite...

Other user preferences can be set from the user control panel. If you don't like the little smilies, you can opt out of seeing them. Don't like to see avatars? You can shut them off, too. Tired of long signatures? You can disable seeing them as well. All these controls are available in the user cont...

Based on the pricing GARMIN shows at this moment, it looks like the best value is in the models ending in numeral 3. You get a transducer and enhanced cartography for less than in any other bundle or option. It sounds like Garmin is really going after the inland lakes anglers with this pricing struc...

GARMIN has pre-announced a new product line of chart plotter, GNSS receiver, SONAR, and multi-function display devices they are calling their echoMap CHIRP series. As far as I can tell, Garmin is using the acronym CHIRP to mean a frequency-modulated pulse-compression SONAR method. These products wil...

No matter what opinion you obtain, either from a representative of the government of Canada or from other readers, it will be prudent to check with the authorities of the park where you plan to anchor your boat and sleep on it overnight inside the park jurisdiction. If the local park authorities thi...

It is also interesting to note that the Evinrude E-TEC G2 or 74-degree V6 engine delivers its best fuel economy at ICOMIA mode 2. That is at an engine speed of 0.4 of maximum. If we figure maximum is roughly 5,500-RPM, then mode 2 speed is around 5500 x 0.4 = 2,200-RPM. This suggests that when runni...

During the dealer meeting in 2014 when Evinrude revealed their new E-TEC V6 74-degree engine, a slide was presented that showed the brake specific fuel consumption of the new engine at various loads. The slide looked like this: EtecFuelEffChart805x686.jpg In this bar graph presentation, a lower bar ...

Here is an excerpt from the press release from GARMIN that introduces their new software QUICKDRAW CONTOURS: Garmin International Inc...today announced Quickdraw Contours, a free, easy-to-use software feature that lets mariners instantly create personalized [high definition] fishing maps with one-fo...

Oil System for E-TEC G2 In the E-TEC GEN 2 200-HP and larger engines, the oil system is significantly changed. The new engines provide for an under-cowling oil reservoir. In most cases this will eliminate the use of a remote oil tank. A remote tank, however, can still be used, and connections are p...

The gear case used with the E-TEC 74-degree V6 (G2) engine is quite unusual. It is called the SLX Gear Case. Let's look at in in this annotated cutaway view: annotatedGearCaseCutaway.jpeg The SLX gear case contains an electric motor actuator that operates the shift linkage. The electric motor is con...

At the dealer rollout meeting in 2014 when Evinrude revealed the new E-TEC 74-degree V6 engine, they put on a very good and very technical slide show presentation. Some slides from that presentation have been captured in photographs and explanatory captions provided in a short summary of a portion o...

The TIME STAMP on all postings is set according to the user's preferences. The DEFAULT TIME ZONE for the website is GMT-5 except during daylight savings time periods it changes to GMT-4. If you want to see all time stamps displayed in your local time, you can set your own time zone preference in you...

Some critics have complained that Evinrude should have provided a USB port for connection of a diagnostic terminal to the E-TEC 74-degree engine, or they failed to provide an ethernet port. This is not particularly valid criticism in my opinion, based on the notion that there already exists a long a...

ShiftThrottleScreen.png In contrast to the prior versions of Evinrude Diagnostic software and the electrical interfaces used to communicate with the EMM, this new version represents quite a shift in paradigm. The software package is priced at $350, which is more expensive than prior versions. The h...

As might be anticipated, a new version of diagnostic software will be needed for use with the new E-TEC 74-degree V6 engines (G2). The new engines contain new systems which need to be configured or set-up using the diagnostic software, such as the power steering system. The new E-TEC G2 engines also...

The E-TEC engine provides data about a parameter called LOAD which represents the throttle position on a scale of 0 to 100. I developed the following table of data from some observations I made of boat speed and LOAD. I assumed at maximum throttle and maximum boat speed the engine was delivering its...

After c.1987 fuel hose must be clearly marked for its resistance to alcohol, the date of manufacture, and the rating to which it conforms. The rating system is known as SAE J1527 and it provides for grades as follows: A1--fuel feed hose; has a fire resistant cover; is designed to have fuel in the ho...

The report of the OUTRAGE 22 Whaler Drive hitting 46-MPH with a 250-HP engine is well correlated with my report of my REVENGE 22 Whaler Drive hitting 44-MPH with a 225-HP engine.

I think you are going to have trouble finding a four-blade stainless steel propeller with a pitch as low as 14-pitch. The VENSURA propeller only comes in pitches of 17, 19, 21, and 23. Since you are presently running a 14-pitch, there is little chance you could turn a 17-pitch VENSURA four-blade.

What is the rated pitch of the propeller used in your test reported above? Try a four-blade propeller from the same manufacturer with the pitch reduced 1-inch. For a Mercury VENGEANCE, the equivalent four-blade would probably be found in the VENSURA series. It looks like it is made only in a limited...

I don't know that there are wiring diagrams for specific model years and specific models of Boston Whaler boats from the 1980's, at least not for the smaller boats. Boston Whaler has published a very generic sketch of a typical small boat wiring in one of their older operator's manuals. http://conti...

I cannot offer any advice based on the reading of a moisture meter. If the boat appears to be in good condition and the transom in particular has no visual or mechanical indications of softness or infiltration of water, I don't quite understand how you would interpret the moisture meter data. If you...

GARMIN have announced a new product for introduction in January 2016 called QUICKDRAW CONTOURS. The best aspects of Quickdraw Contours are --Quickdraw Contours is free --Quickdraw Contours is easy Quickdraw Contours is a software package and is either already included or can be downloaded, and execu...

The Ft. Lauderdale International Boat Show (FLIBS) opens tomorrow. I won't be attending, but, if anyone does happen to attend, I would be very interested in hearing about new product introductions there from Boston Whaler, or from other marine manufacturers announcing new products that are relevant ...

It sounds to me there is a strong consensus of opinion that 150-HP is insufficient for a 1993 Boston Whaler OUTRAGE 21.

That gray fuel hose with a somewhat metallic finish sold under the Mercury or Quicksilver brands is notorious for failure of the inner liner of the hose. As you suspected, it seems that exposure to gasoline fuel containing ethanol is the cause of the deterioration of that gray, metallic-finish Mercu...

Generally in an outboard engine the thermostat will be effective at regulating the engine operating temperature at low engine speeds. Testing the thermostat has established that the thermostat worked in the test situation, but we still do not have any data about the engine operating temperature at l...

ASIDE: DAVID--thanks for that great link. You point the Sebastian right to applicable information. That vendor site was using MORNINGSTAR products. My impression is they're some of the best photo-voltaic charge regulators available. They make good stuff.

On a 17-foot boat I doubt you can get a photo-voltaic panel with enough power output to really charge two batteries with much more than just a float charge or trickle current. What is the rated voltage and current output of the photo-voltaic panel you are going to use?

Using the search function for the old forum, I found this thread: 1992 23 Walkaround Rigging Tubes http://continuouswave.com/ubb/Forum3/HTML/021156.html The search arguments I used to find this thread were "23 walkaround jeff rigging tube". It was the first result. There are several other ...

What is a circular saw? How many names are there for the same tool?

What is a "cutoff saw"? By the way, I own a Milwaukee SAWZALL. I bought it a few months ago to trim tree branches. With the right choice of blades, it looks like a SAWZALL could cut off just about anything. So far I have not cut off any parts of my own body, and, even more encouraging, I h...

Perhaps the most significant difference between the Block IIF GPS satellites and the earlier designs is found in the lack of a rocket propulsion motor as part of the satellite. The Block IIF satellites are launched directly into their final orbits by their rocket launch vehicle, while in earlier GPS...

Your plans to install a HERMCO bracket sound very interesting. I am not familiar with the HERMCO company or their brackets, and, in fact, I don't recall hearing of them before your article mentioned them. I found their website at http://www.hermco.com/ Their brackets look very interesting. I think t...

Here is CONTINUOUSWAVE, a 1990 Boston Whaler REVENGE 22 Walk-Through Whaler Drive boat. It has a 2010 Evinrude E-TEC 225-HP engine. This picture was taken in 2010 at Little Current, Ontario, Canada, at the dock of the municipal marina there. The boat is facing west. In the background you can see the...

I installed a small RULE centrifugal pump with a separate float switch actuator in the aft live well in the cockpit of my Boston Whaler REVENGE 22 W-T Whaler Drive boat. I made that modification after a cruise during which we had very heavy rainfall overnight. I awoke to find the stern live well com...

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