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  1. Replies
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    Re: Redwing 18 Frames

    Gerald,
    I built a Redwing 21, glue and screw. Despite caveats not to use facebook, here's the link to a few of the photos I have:...
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    3,677

    Re: redwing 21

    I finished building a Redwing 21 about 5 years ago. I thought long and hard on whether to scarf the "planks" or use butt blocks. The scarfing is pretty easy with a little practice, but then you end...
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    Re: Redwing 18

    To answer the earlier questions on the Redwing 21 Pilothouse, the height inside from sole to roof at center is 5'11. From sole to bottom of keel is 6-3/4" midship. So, overall from keel to top of...
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    Re: A question for an engineer.

    I did a simple calculation with a spreadsheet. The stress is less than 5000 psi and 0.03 inch deflection. Caveat is how the beam is supported. The end supports must be adequate for the load- say...
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    Re: Redwing 18

    Here are a few links to photos - the first 8 photos are of my 21 pilothouse; if you click on the Redwing 18 link, there are photos of the 18 you are interested in, too. ...
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    Re: Redwing 23 Build

    The Yamaha 9.9 has a 212 cc displacement engine while the 15 and 20 hp Yamahas are both 362 cc displacement. I couldn't find any difference between the 15 hp and 20 hp - perhaps these use a...
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    Re: Redwing 23 Build

    Mike,

    Nice build there on your blog. I'm a little hesitant to throw out an opinion contrary to those favoring the 9.9 hp but here goes - I built the Redwing 21 and went with a 20 hp Honda. I...
  8. Thread: Hot Water

    by Zakkendrager
    Replies
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    9,000

    Re: Hot Water

    Keeping things simple is always best! Phil - 20,000 btu's is a big number but its equivalent to only a little less than 6 kW. Large for a small boat but probably okay for a 40 footer. I use a 1.3...
  9. Re: Refercne book for small boat interiors and mechanical systems (steering etc).

    I couldn't find much on mechanical steering in books when I was building my boat. I'd recommend going to the website of Sea Star Solutions (new name for Teleflex) at ...
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    Re: CMD Boats Launch Cruiser 24

    John,

    I'm not doubting the advice from Karl but with the lap, when you cut the frame and floor to fit the chine log, the fact that they are lapped gives you a place to use a carriage bolt between...
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    Re: CMD Boats Launch Cruiser 24

    John,

    You're thinking far down the road in building. Lofting and Autocad let you do that. I'm sure there's no one way to approach building. I started by first building the frames and bulkheads....
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    Re: CMD Boats Launch Cruiser 24

    John,

    I posted some shots at the link, below, showing the boat in use over the past 3 years. A few shots show interior / exterior updates including further work on the galley/cabin finish and a...
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    19,787

    Re: CMD Boats Launch Cruiser 24

    Hi John,

    I've been following this thread...I built a Redwing 21 Pilothouse and launched it in June 2010. I've got about 260 hours of use so far and find it quite acceptable and enjoyable for use...
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    Re: what about sternwheelers?

    I'm no expert on sternwheeler maneuvering but back to the thread point, the Steamer Portland was much loved by its user's, apparently because of its handling ability. When it was launched in 1947,...
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    Re: what about sternwheelers?

    The "old" guys onboard call them monkey rudders, too. Total area of all 7 is 320 sq. feet. Steering is via a steam assisted steering engine with wheel backup - all steel cable controlled from the...
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    Re: what about sternwheelers?

    I'm a docent on the Portland Steamer (Oregon Maritime Museum) mentioned above. It retired from service as a port tug in 1981 but is still in working condition and goes on cruises occasionally. It...
  17. Re: West System epoxy question? among others...

    Your welcome.
    On your new question, it is totally out of my area of experience with epoxy. I've only used epoxy for structural and cloth weave filling. For structural I always mix some wood...
  18. Re: West System epoxy question? among others...

    Looking up the MSDS sheets for 105 resin and 206 hardener on the West Systems website, it says that 105 weighs 9.6 lb/gallon and 206 hardener weighs 8.45 lb gallon. Converting lbs to grams - 454...
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    Re: removing allen/six face internal screws

    Sorry, not "Allen socket" but "Allen bit"...
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    Re: removing allen/six face internal screws

    Have you tried an impact driver with properly sized allen socket? Usually a couple of whacks with a hammer loosens frozen screws.
  21. Re: Electrical: AC distribution on a Wooden Boat; Rob Paul to pay Peter?

    BrianM - going back to your original question of "what have you done to prevent galvanic corrosion" when installing an AC system, I've taken the simplest approach that hasn't been mentioned: install...
  22. Re: I am building a Redwing 18'-6"... I think

    I finished the Redwing 21 about two and a half years ago. I like it for reasons similar to yours, Weekender. I agree to the pros/cons list from Oldersalt for the most part. Because of the low...
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    Re: Delamination-Meranti B1088

    Referring to TerryLL's response related to Joubert Okume, I bought 12 sheets or so of that material in 1/2" for my project and found minor delamination in one sheet after I cut it. Since it was only...
  24. Thread: Launched

    by Zakkendrager
    Replies
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    2,327

    Re: Launched

    Masterfully done; thanks for the share. Enjoy the fruits of your labor. Ralph
  25. Replies
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    Re: Wallas Heater troubleshooting experience?

    Right! The Wallas has a wick rather than a liquid pool and a forced air combustion fan. You can smell a bit of kerosene fumes when first turned on but no smoke and then the smell disappears in about...
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    10,095

    Re: Wallas Heater troubleshooting experience?

    The manual for the small 1300 says fuel should be "premium grade paraffin" grade pink or blue in UK; models 22, 30, and 40 are diesel heaters per Wallas manual. They are 2.2, 3, and 3 kW,...
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    Re: Wallas Heater troubleshooting experience?

    Thanks for that info, Ron. Ten years is a decent run of reliable operation and I'd be happy with that. As the Seattle rep described the workings of the model 1300 to me, the fuel pump operates at 3...
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    Re: Wallas Heater troubleshooting experience?

    I wanted to provide further information for anyone contemplating a Wallas heater and who might have been put off by my problems. I bought the glow primer and wick replacement kit from the dealer and...
  29. Re: How Long Can A Build Project Stay Outside in Humid Conditions?

    My advise would be slightly different from the above; I completed a 7 year build outdoors under a tarp roof and on a concrete pad in Portland, OR. The project was always dry but I found any Okume...
  30. Re: Help with a Yachtmaster course question...please...?

    I dug out my 1988 RYA Yachtmaster Shore Based Course Notes booklet and on page 43 accompanying a diagram with wind blowing toward land 'tis written: "Over water the wind is 'backed' by about 15...
  31. Thread: Hot Water

    by Zakkendrager
    Replies
    33
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    9,000

    Re: Hot Water

    Dave,

    Glad to help out where I can.

    It sounds like the design:working pressure margins for the heat exchangers are more than adequate. The diaphragm expansion tank has the advantage of never...
  32. Thread: Hot Water

    by Zakkendrager
    Replies
    33
    Views
    9,000

    Re: Hot Water

    Dave,

    Its okay to maintain a pressure of 25 psig but its not absolutely necessary - could be higher or lower. It just needs to be high enough at the pump suction so that the pump doesn't cavitate...
  33. Thread: Hot Water

    by Zakkendrager
    Replies
    33
    Views
    9,000

    Re: Hot Water

    Dave,
    Speaking strictly theoretically, I think the higher rate would be better but maybe not that much better as you get closer to equilibrium in the storage tank. Heat transfer is proportional to...
  34. Thread: Hot Water

    by Zakkendrager
    Replies
    33
    Views
    9,000

    Re: Hot Water

    Don,
    The unknown is how much heat the coils will extract. Assuming 25% of the rated stove - and that's just a guess, that's 5000 btu/hr (equivalent to 1500 watt heater). If the water storage tank...
  35. Thread: Hot Water

    by Zakkendrager
    Replies
    33
    Views
    9,000

    Re: Hot Water

    Dave,
    The pump looks suitable as far as pressure and temperature rating.
    The diagram assumes a thermal siphon can be created between the water tank and the stove heating coil. If the top of the...
  36. Thread: Hot Water

    by Zakkendrager
    Replies
    33
    Views
    9,000

    Re: Hot Water

    Dave,
    I'm a little reluctant to give you too specific advice as what you are thinking of doing has some dangers associated with it and a lot of unknowns in the information provided so far. But,...
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    Re: Wallas Heater troubleshooting experience?

    Thanks, Lloyd.

    After I get the new glow primer installed, I'll check to see if power cuts off to it once flame is established.

    Fan seems to be operating okay but I'll check for clear passages...
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    10,095

    Wallas Heater troubleshooting experience?

    I installed the small model 1300 Wallas kerosene furnace in my boat about a year ago and its malfunctioned twice in that period. First time was due to faulty installation (my fault) because the...
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    Re: Sharpie Coot, topdeck question

    Phil,

    If above suggestion doesn't work you can always laminate that part of the deck from two 1/4" layers. If I had to do it again, I would have laminated the more extremely curved part of the...
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    Re: Battery combiner or isolator

    Based on my experience troubleshooting someone else's multi-battery bank sailboat, you will be happier with the combiner as long as it is working. With a combiner think "switch" but with isolators...
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    Re: I want one !

    Gehard,

    The gearbox pictured is similar to that used to operate butterfly valves; the case is usually cast iron or stainless steel. You'd still have to fit a shaft and link arm but easier than...
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    Re: Redwing 26 -- too ambitious?

    I'd agree its more the size of the project than the complexity. I built a Redwing 21 in 7 years, part-time. There's roughly 2000 hours in it excluding the labor of helpers during 3 summers (epoxy,...
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    Re: Outboard motor freeze prevention

    Simmons18,

    Thanks for sharing; that's what I was looking for. I'll also be seeing if anyone at my moorage had any damage come this spring with all the motors left up through the winter.
    ...
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    16,385

    Re: Outboard motor freeze prevention

    I started the post to ferret out any first hand experience of actual freeze ups but so far no one has mentioned any...As with Ian, I've observed people leaving their motors out of the water in...
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    Re: hard chine riveted aluminum

    Difficulty of welding aluminum is also overstated. With a TIG welding machine having a foot pedal power controller, it is quite easy. The machine is on the pricey side. Once the heat is correct,...
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    Re: Cooking on board with a Pressure Cooker

    genglandoh - Assuming you can put enough heat into the pressure cooker to get it up to pressure, it'll work. Obviously, you'll be adding minutes past the time it takes to boil water to get there. ...
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    Re: Outboard motor freeze prevention

    I appreciate the responses I'm getting but so far everyone is confirming the "conventional wisdom" - tilt down in freezing temperatures.

    Has anyone experienced freezing damage after leaving their...
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    Re: Outboard motor freeze prevention

    Thanks for your comments. In your case, gibetheridge, do you leave the outboard leg up or down while your boat is on the trailer?

    I left out a few key pieces of information in my initial...
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    Outboard motor freeze prevention

    Maybe someone can help me out: I have a 20 hp Honda on my boat. I asked at the shop whether I should place it "down" in the water or "up" out of the water when the air temperature is below...
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    Re: Electric start outboards

    CliveP,

    Honda literature for 8 hp model indicates electric start with 12 amp alternator. Link:

    http://marine.honda.com/Products/modeldetail/BF8

    Ralph
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