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1. GOUDOLDBOAT THE SAILING MAGAZINE FOR THE OF US ae 62825 97035 80 Canada E a a ae THE SAILING MAGAZINE FOR THE OF US CONTENTS MARCH APRIL 2011 For the love of sailboats 10 Bristol 29 9 A shipshape Halsey Herreshoff cruiser by Tom Wells 20 Atelegenic Mariner 36 Sparkle Plenty is an ongoing production by Gary Miller 23 Measuring the Mariner 36 against its cruising contemporaries by Ted Brewer Speaking seriously Spotlight on 14 How a designer sees decks There s more to their lines than meets the eye by Robert Perry 18 Watermakers 101 Pressing pure water out of the sea by Don Launer 24 Anew classic toerail Procrastination pays off in mahogany and bronze by Stephen Thompson 27 A fresh new deck Synthetic teak covers a patchwork of repairs by Eric Swisher 30 Making steel boats last Stave off rust with diligence coatings and care by Robert M Brown III 44 A cockpit table built from scratch An elegant accessory from an unlikely source by George Lawrence 50 Follow the sun Two axis mounts make solar panels adjustable for greater gain by Terry Kotas 56 Something old something new Consignment stores match good old parts to new old boats by Todd Townsend 60 Multi year winter cover Recycle shrinkwrap and save time and money by Paul Dan2. ats stay in the water year round here and the shoulder cruising seasons have a lot to recommend them sparse crowds and better wind My wife and I have schemed and dreamed about having a source of cabin heat for our boat for several years now Our Albin Ballad sloop just under 30 feet long has a relatively narrow beam and low freeboard by modem standards This translates into limited interior space especially when cruising with a family of four and two cats as we do I ruled out any kind of bulkhead mounted heater in the cabin because we don t have room for it cold air return connects to galley and cockpit 38 Good Old Boat March April 2011 We occasionally use a portable AC electric heater when we tie to a dock with shorepower This is the easiest and least expensive heat option even if you have to install a simple AC shorepower interface on your boat It s quiet effec tive and worry free as long as your AC system is up to snuff and you use it only when you are on board and watching it The drawbacks are that we are without heat while under way or in remote locations away from shorepower The portable heater is also one more piece of equipment to find a home for to set up and to stow after every use The ultimate solution for us was a forced air diesel heater that could be installed out of the way so as not to fuel tank diesel heater F This ofa diesel combines some of with th
3. aust through hull fitting is an expensive and specialized piece of stainless steel that comes in a variety of configurations such as for a perpendicular penetration or through the slope of a reverse transom It should be installed in accordance with the manufacturer s specifications regarding clearances from the hull and the use of heat resistant washers Once installed the exhaust duct connections should be sealed with furnace cement and securely clamped The entire length should then be generously wrapped with fiberglass lagging material If you install an exhaust through hull fitting in the side of your boat think about its placement with regard to the dock docklines fenders and vent openings In my case placing the exhaust outlet high on the port quarter kept it clear of all these concerns Since the fuel pump requires elec tricity I tackled the fuel and electrical systems next I happened to have an extra port in the top of my fuel tank Maybe it was intended for a diesel heater fuel pickup the boat was built in Sweden after all I was easily swayed by the convenience of using this existing fuel source I put a pickup tube in the port and ran the fuel line under the cockpit to the fuel metering pump and on up to the furnace The manual specifies parameters for the vertical and horizontal run of fuel lines the permis sible mounting angles for the pump and splicing fuel lines together to prevent air bubbles fro
4. doldboat com 39 Interior improvements 66 The installation manual repeatedly stressed that there are optimal lengths for both the exhaust and the combustion air hose 99 completely wasted space into which the furnace fit easily I made a mounting bracket out of inch aluminum plate supported on one side by the bolts in the hull to deck joint and on the other side by a wooden cleat epoxied to the inside of the cockpit seatback The aluminum plate was a scrap free for the asking from a local welding shop I easily shaped it with a fine tooth blade in a jigsaw With the heater mounted and the hot air duct connected you might think that I was almost done Not even close there are five more systems to be integrated with the furnace exhaust combustion air fuel electrical and the cold air intake Next I tackled the exhaust system The installation manual repeatedly stressed that there are optimal lengths March April 2011 for both the exhaust and the combus tion air hose I connected a length of flexible stainless steel ducting of the optimal length to the exhaust outlet on the furnace and led it outboard to the hull maintaining a downward slope for drainage and avoiding all possible contact with anything stowed in the cockpit locker This established where Thad to drill a hole for the exhaust through hull fitting I hated to drill that hole but if you want to make an omelet you have to break some eggs The exh
5. e fairly typical practice of running the exhaust to the transom fuel pump hot air duct tocabin illustration heater installation Tony s solutions such as the PVC circulation air intake impact the cabin interior other than by providing warmth It does not require any new kind of fuel on board and it runs whenever and wherever we want it The drawbacks were primarily price and the complexity of integrating and installing all its connected systems air supplies exhaust fuel and electrical Follow the manual Failure to properly install a diesel heater can lead to malfunction fire and asphyxiation If you plan to install one of these heaters yourself it s essential that you read thoroughly and under stand the manufacturer s warnings and installation guidelines I was lucky to have a manual for the used heater I bought but I have since found much of the same information online Did I mention the price These are sweet little units compact and self contained marvels of engi neering Webasto and Espar are a couple of brands that come to mind but there are others out there The smallest models are roughly the size of a loaf of bread I called the marine Espar dealer in Seattle to combustion ask how much one would arr cost After buttering me up with a diatribe about how there aren t any women on boats without heat the salesman quoted me a price of about 2 700 for their smallest heater and the va
6. ed to draw the cold air intake from outside the cockpit locker I have an existing ventilation duct in the starboard cockpit locker that runs from the aft galley bulkhead to a vent in the cockpit foot well I installed a tee fitting in this duct and tied into it by running PVC pipe down under the cockpit from the furnace Normally the furnace now draws fresh outside air through the vent in the cockpit foot well But I can also close this vent and recirculate air from the cabin at times when heat is in high demand Altogether I am very happy with our new heater It is effective safe and practically invisible The cost was 20 to 25 percent of what it might have cost to buy a new unit from a marine supplier and have it professionally installed A Tony Allport lives on Anderson Island in Puget Sound and sails extensively with his wife Ann and children Alden and Claire in their Swedish classic 30 foot Albin Ballad sloop Tony is a SAMS marine surveyor and is also known on the island as a skilled cabinetmaker and for his excellent pies See lt www marinesurveyor com allport gt at left and made an aluminum shelf to support it He also had to make an adaptor to connect his consignment store heater to the air ducting normally used in boats at right www goodoldboat com 41
7. engths for the exhaust and the combustion air intake hoses I don t know why 21 inches of hose on the combustion air intake would make a difference but it does The exhaust gases now are crystal clear and the furnace works fine Some of the latest furnace designs combine combustion air intake and exhaust in the same pipe This is a neat arrange ment It appears to balance the two air flows and its double wall construction keeps the surface temperature of the duct cooler It appears that these heaters are extremely sensitive to every nuance of combustion air delivery I worked out the cold air intake very cleverly if I do say so myself Drawing cold air to be warmed for delivery to the cabin from inside the cockpit locker is not ideal especially when the air space is shared with the engine This is not just because of the risk of circulating fumes and odors like mildew throughout the cabin but because the engine and the furnace may compete with each other for a limited air supply Diesel engines use an enormous volume of air in relation to the fuel they use on the order of 10 000 to one Even though my cockpit locker is ventilated I experi enced a flameout in the furnace once when I was running both the engine and the heater with the cockpit lockers shut tight It appears that these heaters are extremely sensitive to every nuance of combustion air delivery and can quickly become starved for air I have since arrang
8. icic 36 Companionway steps with storage Boxing in the space more than doubles its usefulness by Benjy Benjamin 38 High end heat on a budget Cooling the cost of a warm cabin by Tony Allport 42 Sole revival NuTeak brightens a once dim prospect by David Germaneso www goodoldboat com 1 5 6 34 47 64 66 67 68 77 MARCH APRIL 2011 What s more The Princess Principle There s a percentage in maintaining harmony aboard by Karen Larson Teak alternatives flat felled seams and Rhodes legacy Shooting Tom Colvin s Gazelle A sailor and photographer recalls a dream assignment by Gary Miller Sailing with autism A boat provides a happy mix of activities and security by Kari HalkerSaathoff Another swinging solution Inside and outside viewpoints for a GPS by Bill Jacobs Dual purpose pillows Using the d cor for storage by Connie McBride Turnbuckle tethers A good lashing and they won t slack off by Michael Facius The seasons of our lives Even where it s endless summer the weather rings the changes by Connie McBride About the cover David Wade captured this photo of daughters Morgan and Molly fishing for crabs in the Bohemia River Maryland after a day spent sailing on Zephyr a 1978 Cape Dory 28 Zephyr has been part of David and Terry Wade s family for 15 years www goodoldboat com 3 warm boat is a great comfort in the rainy Pacific Northwest Bo
9. ind of problem that I am good at solving I shaped one end of a block of wood to match the end of the furnace that the cowl fits over and tapered the other end to a 2 inch round male plug I rubbed it all over with paraffin wax to act as a mold release and laid several by Tony Allport cold air return from cabin layers of fiberglass cloth set in epoxy resin over the plug to form a crude but effective adaptor between the furnace and the duct see photo on page 41 My service manual states that duct components should withstand tempera tures up to 300 F so I popped it into our home oven at 300 to see what would happen My wife wasn t exactly cool with this but the adaptor endured its scorching unscathed A sheet metal fabricator could also make an adaptor It won t fit the variable curves of the furnace body as well but with furnace cement and God forbid duct tape it will suffice A space for the heater I was now ready to install the heater My priority was to locate the heating unit out of the way and to make the duct runs as short and simple as possible I decided to put the hot air register in a vacant space beneath astack of drawers at the navigation station This was down near the cabin sole on the port side of the companionway From there the duct ran directly into the port cockpit locker up the side of a bulkhead and to the hollow molded hat section that forms the cockpit coaming This was a www goo
10. m forming I bundled the wires for the fuel pump to the fuel line with plastic wire ties An electronic control module has to be mounted near the heater It should be oriented so the holes in which the wires are connected are facing downward so they won t collect moisture The possible locations for mounting are determined by the length of the wire harness Newer heaters and other brands may not have this separate module A spare circuit on my fuse block provided power to the furnace with the 16 amp fuse specified in the manual These furnaces use a fair amount of power during the startup and ignition phase but once they are running they are very modest in their use of elec tricity and fuel No bigger than a loaf of bread the diesel heater requires six connections electrical fuel exhaust and three for air on a budget Next Iran wires for the on off switch to a convenient location Needless to say all wiring and fuel lines should be neatly routed and well supported Pay special attention to protecting them from moving parts and heat sources At this point I was able to test run the heater It ran but not well white smoke belched from the exhaust comically at times puffing perfect white smoke rings from the left flank of my boat An avalanche of doubt descended on me Was there something dreadfully wrong with the furnace after all What could it be When in doubt read the directions Remember the optimal l
11. rious parts associated with installing it With professional installa tion this price could easily double I hung up the phone with a renewed appreciation for my wife who has sailed with me for years without a heater in our boat On eBay I found several small Espar heaters used in the commer cial trucking world for around 1 000 each To work in a boat exhaust ILLUSTRATIONS BY FRITZ SEEGERS these units would still need the various specialized marine parts ducting grills exhaust fittings and so on Still they were considerably cheaper than the same thing sold for the marine market But unfamiliarity and skepticism about eBay along with lingering worries about adapting a truck heater to my boat s needs kept me on the sidelines I was still mulling it over when I came across a used Espar D 1 on the shelf of our local marine consignment shop Second Wave for 375 If I was ever going to do it this was the time Thate the uncertainty that goes with buying used as is equipment so I immediately took the heater to Miller amp Miller Boatyard They specialize in installing and servicing diesel furnaces I half expected them to say Oh yeah we know that heater It s been in the shop a dozen times Instead and much to my relief they bench tested it and found nothing wrong In addition to peace of mind they generously gave me a spare service installation manual and an extra fuel metering pump that I wo
12. uld need This was well worth the 175 it cost me to have the heater tested Gathering the parts Once clear of that hurdle I was faced with the details of installing it I still needed all the parts to integrate the furnace with my boat I gave a lot of thought to planning how this was going to happen before going back to my local Espar dealer for the hot air ducting register exhaust ducting lagging and exhaust through hull fitting I also got appropriate hose clamps for all the different types of ducting involved The folks at the Espar dealer took avery dim view of what I was doing disparaging the furnace for being old and possibly coming out of a truck I have since learned that virtually all of these heaters were originally designed for use on trucks and buses Their use in marine applications is little more than an afterthought in relation to their primary market I walked out 250 poorer and with a little less enthusiasm than when I walked in One major problem had developed On my heater the cowl which directs hot air from the furnace to the cabin had a sharp 90 degree bend in it and the duct diameter reduced to 1 inches The dealer took pains to point out that this was incompatible with the 3 inch ducting normally used on boats and that it would reduce air flow to the point of rendering the furnace ineffec tive Naturally the right adaptor was no longer available for that model Fortunately this is the k
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