Stuff that works—Electronics and Software

 

EchoPilot Forward Scan Sonar FLSII         

www.echopilot.com and www.pilotmarine.com

We have found that having a forward scan sonar has made exploring in the high latitudes safer and more feasible. Instead of feeling our way along at 2 knots when off the charts, we can now travel confidently at 6 knots, since the forward scan reaches out up to 200 meters ahead. Also, the sounder makes it possible to feel our way into tight anchorages, even when the water is not clear enough to see the bottom.

This is first generation technology: the interface is clunky and non-intuitive; the buttons are difficult to use especially with cold hands; and it takes practice to interpret the readout. There are several other issues that are important to know: the transducer is vulnerable to damage from ice, so we carry a spare; and the sensitivity is variable between units. We went through 2 units and 2 transducers before we got a combination that reached specification. However, the British manufacturer and the American distributor (Pilot Marine) have been very responsive to our problems and their newer models fix many of our complaints about the FLSII, albeit with a shorter range.

The EchoPilot has made a huge difference to our ability to cruise safely in the high latitudes. It isn't necessary, however, to go to the high latitudes to get good use from a forward scan sonar: We use it all the time, even in well-charted waters, to guard against the consequences of a navigation mistake and when anchoring it allows us to survey for anchor placement with much greater accuracy and less hesitancy about getting too close to shore.

 

Furuno NX-500 Navtex                                   

www.furuno.com

Navtex is an invaluable resource for weather and ice information. When our old Furuno combined weather fax and navtex receiver died, we balked at paying the high price (over a thousand dollars) of a new Furuno navtex and so bought another brand (See our Gear failures & fixes page under ICS Navtex). So started a long story of not being able to receive navtex transmissions in places where we should be able to. After many hours of frustration and labour trying out various antenna and receiver combinations, the American dealer had to agree that the machine we had purchased was not living up to its specifications. So we ended up spending the money anyway and purchased the Furuno. We haven’t been sorry for a single minute. While other cruisers anchored next to us are not receiving anything on their navtex receivers (the same brand we purchased initially), we receive vital weather reports loud and clear.

 

Furuno Radar Model 1832          

www.furuno.com

If we had to choose only one piece of electronics to have on board Morgan’s Cloud, it would be radar. We do not have electronic charting but continue to use paper charts and take bearings with a hand-held compass and ranges with radar. In areas that are prone to heavy fog, as the high latitudes can be, this is an essential piece of equipment. We also use the radar for anchoring in tight anchorages and chose the Furuno radar for its short ranges that make this possible. Our old Furuno radar was still working after 11 years in our open cockpit—great gear. We built an aluminum housing for the new one.

 

HF Radio Installation

Jim Corenman (AirMail & SailMail) and Eric Steinberg (Farallon Electronics) www.yachtwire.com
In the winter of 2002/03 we decided to replace our aging Icom SSB with a new Icom. You would think that installation on a metal boat would be easy. Not so. We had many problems with stray RF resulting in low output power and poor tuning. We were working with Eric Steinberg of Farallon Electronics and even he was stumped. Finally Eric put us in touch with Jim, the author of the AirMail program that serves as the e-mail client running on PCs aboard member vessels of SailMail's e-mail-over-HF-radio service. Even though we don’t use SailMail (our e-mail volume is too high) Jim got involved and solved our problem. If you have a SSB radio, particularly on a metal boat, and are unhappy with its performance, read Jim’s article on stray RF at www.airmail2000.com/rfi.htm. Based on Jim’s recommendations we installed line isolators from www.radioworks.com and our radio has never worked so well.

 

The JRJ Group

info@jrjgroupsales.com

Jon Josephson of the JRJ Group was the dealer we used when we replaced our KVH wind instrument system with a NEXUS system from Silva Marine. We will report on the NEXUS system once we have used it and given it a good work over. But, as always when installing electronics, there were a few hiccups in the installation process (see our Gear failures & fixes page) and Jon was a godsend! He knows his stuff and his product and he is exceptionally helpful. Thanks, Jon!

 

The Joys and Tears of TurboCAD      

For the last few years we have been using TurboCAD for visualizing and designing projects on Morgan’s Cloud. TurboCAD is a great value, with much of the functionality of systems costing many times more, at just US$150, and you can often get it discounted to as little as $US80.00 by shopping around on the Internet.

We have used it for projects ranging from simple wiring diagrams to the computer workstation to go above our salon table, shown in the rendering below.

The joys include:

The ability to see pretty much what you will get before cutting the first piece of wood or other material.

That it is easy to make changes during the design process.

That it is easy to come up with a good materials list thereby avoiding overbuying or the frustration of running out of something half way through a project.

A clear and detailed design that will almost always save you money when having someone else, such as a machine shop or cabinetmaker, build something and save you time when you do it yourself.

 

The tears come in learning how to use it. Expect to spend at least a full day learning the basics before you will be able to complete your first simple two dimensional drawing and a week to become competent in 3D. (Phyllis calls herself a CAD-widow and expects to be answered in grunts for days at a time when I open TurboCAD.) If you don’t like computers, you may be happier sticking with a pencil and paper.

Having shed the tears of learning, we would not be without it. We are even using it to work with the engineers at Hall Spars on the details of our new mast design. So far we have been able to open all the drawings they have sent to me prepared on their full-on AutoCAD system.
 

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Last edited on Saturday December 01, 2007

Please read the following:

COPYRIGHT: All information on this website is the copyright of John Harries and/or Phyllis Nickel. All rights reserved. FAIR USE: Notwithstanding the above, it is perfectly acceptable for you to use quotes of a reasonable length from this website, as long as you include an attribution with a link to this website. DISCLAIMER: Nothing on this website or in direct communications received from us, or in our articles in the media, should be construed to mean or imply that the high latitudes are anything other than a hazardous place to take a boat. Dangers such as, but not limited to, extreme weather, cold, ice, lack of help or assistance, and poor charting could injure or kill you and wreck your boat. Decisions to cruise the high latitudes, where you go, and how you equip your boat, are yours and yours alone. The information on this web site is based on what has worked for us in the past, but that does not mean it will work for you, or that it is the best, or even a good way for you to do things.