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Tiernan adds that the reason most boats for sale today are made of fiberglass is that they can be made by semiskilled and unskilled workers who are cheaper to hire than the skilled craftspeople needed to build a wooden boat.
Another is that when we build in wood or commission others to do so, we are helping to maintain an important tradition. I wonder also whether the argument that building from wood is environmentally friendly has really been made. PS Fans of the US designer John Atkin will be interested to know that Tiernan is currently weblogging the build of a clinker-built Atkin Ninigret. PPS I’d draw your attention to some of the comments below, particularly those of West Country boat designer, occasional building and general sailing man John Hesp. Gavin, most of Tiernan's list deals with the engineering advantages of wood, as if we bought boats based on these facts. Trees have been growing, falling over, rotting, releasing CO2 into the atmosphere for years and it hasn't caused a massive increase in atmospheric CO2.
I do see what you mean – it seems unreasonable to reduce these issues to numbers and engineering criteria when one of the key reasons we go boating is often to get away from such prosaic considerations. Nevertheless, these issues are worth considering as I'm sure your inner designer will concede, and the environmental questions are much more subtle than most of us thought at the beginning. And of course, carbon emissions are tightly connected to economic activity and human activity in general.
On the other side of the issue, some fraction of whatever carbon there is in a plastic boat will remain locked in the material for a very long time. You don't think you've been led down the garden path by what sounds a rather journalistic BBC article?
Ironing and washing, to be fair – both need more heat where cotton shirts are concerned.
One interesting little tidbit I read recently is that the meat industry in one way or another, contributes significantly more to global warming than transportation, worldwide. One other nice thing about wooden boats, which has already been touched on a bit, but a nice one is gives pleasure to people, even when they aren't normally interested in boats.
If the global warming cost of fossil fuels is added to that fuel we find ourselves playing a very different game. Did you know that one barrel of oil contains the same amount of energy as 12 men working for one year? Image coming back to shore after a day on the water on a foggy day in an aluminum boat and the oars are clunking against metal. Have you got news for us?If what you're doing is like the things you read about here - please write and tell us what you're up to. Classic Sailor is a new magazine about traditional and classic boats from ex-Classic Boat editor Dan Houston and colleagues that promises rather more coverage of the traditional craft around our coast. Enter your email address to subscribe to this blog and receive notifications of new posts by email.
Follow me on TwitterLooking for something?This is a busy weblog, and what you're looking for is probably still here - just a little way down the list now. Our Faversham-based friend Alan Thorne can help with boatbuilding projects - constructing to plans in very tidy stitch-and-glue or more traditional techniques. This thread is privately moderated by ecokopter.pl, who may elect to delete unwanted replies. Location: Marshfield massachusetts usa designing a fast rowboat I live in New England (USA) and we have a growing sport of open water ocean rowing racing. Location: Lake Michigan I don't claim to be an expert, but for speed, little to no rocker is good. A race boat would have to be longer (the longer the better) and a bit wider (but not much wider). Location: Cornwall, England Take a look at a gig, they don't come any faster or sweeter (but I'm biased, we've raced 'em in Cornwall for the past couple of hundred years! Location: Eustis, FL Build her light and put some foils on her, so you can spank the fleet.


Location: Marshfield massachusetts usa Safewalrus, We have the gigs here too. Location: Marshfield massachusetts usa Terhohalme, Very interesting piece of work, I'd be interested to find out more about your boat. Location: Trondheim, NORWAY I think you could try minimum wetted surface, long waterline and optimize the Cp for your speed. Location: Marshfield massachusetts usa Safewalrus, That Flashboat, VERY interesting can you point me to plans? Length must be an important part of the speed equation,a long narrow boat will always be faster than a short wide one. 1 ) A fast rowboat will probably be as long as possible and because of its length will be able to have as narrower beam as permitted by the required displacement. Bow steering ,yes like you guys I am concerned about bows digging in and directing the issue. There must be a point where the trade off between wave making and wetted surface is at an optimum.. When making potentially dangerous or financial decisions, always employ and consult appropriate professionals.
This iconic racing boat was originally designed by George Crouch in 1924 and went on to win the 1924 and 1925 APBA Gold Cup.
It has been said that the 16 foot Gar Wood speedster is, pound for pound, the most valuable classic production speed boat in the world. There are some 15 frames, 2 keels, twin hatch assembly, vertical cleats, gas tank fixing, drivers bench seat, breast hook, front and rear stems with knees etc.
Mertens & Goosens (not sure of the second persons correct spelling) boatplans online in Florida has many such boats. After clicking on the design you are interested in then click on it's study plan and you will find that boats particulars. Boatbuilders teach each other, and the skills have long been conveyed by oral transmission.
But if we only build boats out of oil, and keep a constant number of trees, there will be a nett increase in CO2. I became aware of this when a BBC magazine looked at the issue and decided that the heat consumed in ironing a cotton shirt meant that poly-cotton shirts were a better environmental deal; so it seems to me that we should consider all the inputs and outputs, not just the obvious ones. Gaseous hydrocarbons are often very powerful greenhouse gases, and if a boat needs eight coats of varnish every two years, what's the impact of that?
I wish someone would give me some nice, clear well worked answers that left me knowing where I was on all this, and that I could quote when the issue arises. I can guarantee that the energy expended per year ironing my cotton shirts is less than it takes to make a years worth of polyester shirts…. And it seems to me that I've never even owned an iron that got hot enough to iron a cotton shirt properly! We should use wood because we want to, and save our agonizing about our carbon footprints for the times when it really counts. I am not about to give up my roast lamb, but cutting my meat intake in half would do me good, and probably make a more significant dent in my carbon footprint than all the other little fiddles one reads about put together. The difference in the reaction of people when I am paddling some rental day-glo plastic fantastic canoe, and when they see me in my little varnished oak and pine S-O-F canoe is remarkable.
I seem to remember writing about the issue years ago, and finding that the energy savings from triple glazing can take a century to pay back the investment. What's needed is some sort of mechanism where the cost of dealing with CO2 problems are paid for by the sources of CO2, then triple glazing and the like would look a lot more attractive finacially.
If person A manufactures a triple glazed panel using oil based energy sources the cost of energy is very low but the CO2 generated is very high. The cost of the triple glazed panel goes up slightly because of the embodied energy, but the cost of the energy being saved over, say, 20 years is a very worthwhile saving. Theres a tigermoth biplane at our local airport that is probably 60-70 years old with wooden wing spars that DO flex.


Try scrolling down, clicking on the 'older posts' button at the bottom of this page - or try the search gadget!
To get WoodenBoat delivered to your door or computer, mobile device of choice, etc, click WB Subscriptions. Also I would like to see the sheer line sweep upward forward and maybe lapstrake above the chine!
With our busy working and family lives I have no hesitation in saying that we own and use at least one boat that we wouldn’t be able to keep up it on a DIY basis if it was made from wood.
For example, when wood eventually rots its breakdown must release carbon dioxide and the much worse global warming gas methane.
If the returns are so small, I'd suggest there are likely to be other areas we could cut down on that would make more of a difference. If person B manufactures the same panel using energy from photovoltaics the cost of energy is very high, but the CO2 released is very low. Looks like a very fine entry and straight run with a lot of flare in the mid sections to get enough spread for oars on gunnels ( a requirement in our class). So what is the lifetime cost of a wooden boat to the environment compared with a plastic one? With regard to the maintenance I was referring to epoxy encapsulated wood like the Ninigret I'm building. The recession might have lowered energy costs, but I can see us coming out of it with soaring energy costs. My ideas come from eight years of racing and constant observation of our own two boat as well as the boats we race against. Weather prediction for our 4 mile race on Saturday is for temps to be 53 degrees F and winds to be 10-15 kts.
Maybe plastic boat owners are more inclined to motor than sail, and maybe plastic boat owners are more attracted to resource hogging marinas? Sure, we need a reasonably big car to haul the family around, but could we get away with an overgrown go-cart for the commute to work? Rules are almost non existant and are limited to number of oarsmen,fixed or sliding seat, or general clasification ie: work boat or livery boat. I had hoped that this thread would bring out the real designers and a discussion of general design theory.
Just to add a factor that seems relevant, what is the contribution to global warming made by the drying of spirit-based paints and varnish?
To win, a boat must be able to stand up to some tough conditions yet have enough speed to achieve 6 knots+ in calm conditions.
I'm learning a computer program for boat design and have a couple of promising sketches worked up.
Might put a look of dismay on the Cornish boys faces - to be beaten by a yankee 'flashboat' 'specially if they don't know you have one! Tad Roberts,a designer in Washington State, a forum contributor, was kind enough to send me a set of limes showing his concept of a fast row boat, and they gave me a lot to think about. I would appreciate a general discussion of design factors from people who are more knowledgeable than myself.
A large part of his ideas will show up in my next boat if I can just get the station molds to print out on my program. Whatever she does, it's a fast boat (good crew too ) Does semi-planing happen, is it good or bad? Current plans are to put some rocker in forward to reduce bow steer and reduce wetted surface.




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