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Type: Posts; User: rgthom

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  1. Replies
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    Re: Danny MacAskill Postcard from San Francisco

    The tennis net and the chain impressed me (not that I could do any of the rigid objects). Those probably took a lot of tries, but at least the fall was short.
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    What John and Blue said. My only cold hire was...

    What John and Blue said. My only cold hire was right out of school. Since then it has been people I know. My partners now are people I met at other jobs. My customers now were my customers at other...
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    My career has included big corporations where I...

    My career has included big corporations where I had a lot of resources but existed at the whim of distant decision makers, and start ups shooting for the moon but crashing to earth (ask my wife about...
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    Re: Fitting Out for Smallish Boat Cruising

    An advantage to row cruising over sailing - hard to capsize a rowboat. I was able to swamp and sink one in SF Bay in November, water around 55, and was happy to be rescued without having to swim...
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    Re: Arctic Tern Electric Power

    My little motor works well in wind. As you say rowing into wind is tricky, the boat always tries to head off. My rowing technique is long slow pulls with a fast recovery before it turns. The motor is...
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    Arctic Tern Electric Power

    Nice to see this inspirational thread come back to life. On my hybrid rowboat (good term), inspired by getting an ebike, it does assist the human power but in a different way. For the ebike I use the...
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    Re: Sitting comfortably in very small boats

    This is neat. I have Coquina style rope steering which wraps around the cockpit on my Walkabout, but have thought about adding a couple of blocks and bringing the line to an inside tiller. You have...
  8. Re: Building a scaled up Lillistone First Mate in G10 for Bike Sailing

    I have no expertise on props either. The commercially manufactured EP Carry outboard I am using is claimed to be well optimized, the prop is a 13" diameter high aspect ratio and looks much more like...
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    Re: Electric boost for a camping rowboat

    On the recent TSCA trip in the Delta just two boats made it, Dave's sailing Swampscott and the solar Walkabout. On the leg out we both rowed (against the wind), but for the return Dave raised sail...
  10. Re: Building a scaled up Lillistone First Mate in G10 for Bike Sailing

    I mentioned this earlier but your power levels seem awfully high for a First Mate size boat. Wayward Sun, which went solar electric up the inside passage, uses 800 W to cruise at 5 mph. My similar...
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    Re: Air quality index 500

    Vermont is one of the states recommended to escape climate issues. Might be getting crowded soon....
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    Re: Air quality index 500

    I've been watching fires and AQI for a few years, thinking about where we might move to retire in a changing climate. The CA mountains are no good anymore, way too fire prone and the smoke from any...
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    Re: Electric boost for a camping rowboat

    I updated my plot of electric boat performance with John Hartmann's Jewell added. It looks pretty good, more slippery than Redwing 18. Jewell and Romilly may be similar, I only have the one data...
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    Re: Iím done with ICEís

    Yesterday's trip to the local store was by e-bike, but it included a refill tank of propane for the outdoor heater. Baby steps....
  15. Re: Today's hassle - three hours stuck on the sofa

    Well, I was allowed to be up and moving but brushing teeth and washing up was not permitted:

    https://live.staticflickr.com/65535/52320163264_b34fbc4db9_b.jpg
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    Re: Definitions of "sail and oar" boat

    Ha, OK! I know little of sails, sometimes in these discussions I wonder what I am missing. This makes sense.
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    Re: Definitions of "sail and oar" boat

    I am curious about the direction this is taking. Woody asked about a downwind sail. You guys are advising various rigs for real sails, meaning shaped sails that generate lift. I had considered these...
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    Re: Definitions of "sail and oar" boat

    I am not much of a sailor, but have played around with downwind sails on my double ended 18' row cruiser. The rig I found most practical is copied from this Balogh Sail Designs kayak downwind sail,...
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    Re: I Will Never Ever EverÖ

    Are you sure? Looks like just the thing after a long day of wakeboarding.

    https://wakengrill.com/wp-content/uploads/2021/08/Tahoe-Boat-10-2-1.jpg?id=7967
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    Re: Definitions of "sail and oar" boat

    I like Vivier's definition, from his blog: https://www.vivierboats.com/en/voile-aviron/

    "A group of passionate sailors, linking the practice of sailing, curiosity about our maritime inheritance,...
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    Re: Boat camping tent.

    The Norseboat bimini was inspiration for one I made for the Walkabout row-cruiser.

    https://live.staticflickr.com/7105/7330446436_3b04a5e274_z.jpg

    I considered making it part of the tent, but I...
  22. Re: Hatches for buoyancy compartments in sail & oar boats

    Good hatches can be made, but it does not look simple to get a good seal. PT Watercraft was selling hatches for SCAMPs, are they still in business? There is a link:...
  23. Re: Hatches for buoyancy compartments in sail & oar boats

    I put DPI rectangular hatches on my seat tanks, purchased through Duckworks. They did not seal, at all. Generally poor construction, with screws the wrong size and gasket foam not making contact with...
  24. Thread: Skookum Maru

    by rgthom
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    Re: Skookum Maru

    Following along without much to add, as usual, but a thought on the non-skid. I used the polycarbonate chips sold by Duckworks, they mix in with the paint so no top coat of paint. Mine have remained...
  25. I am not sure that loom in the water is a...

    I am not sure that loom in the water is a significant loss. Steevers oar equations show shorter blades being more efficient. Thats because the blade is rotating during a pull. In the extreme of an...
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    Re: Building the CoPogy 18

    The cost surprised me a bit too, but it does all add up. I like to look at it as entertainment cost also. If not boatbuilding, I would be spending the time doing something else which would also cost...
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    Re: Boat camping tent.

    Todd knows fabric and the Odyssey polyester is low cost at around $12/yd. There are two materials I like for boat tents, both around $21/yd at just over 60" wide:

    - Shelter Rite from Sailrite....
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    Since the experts have not commented yet, I will...

    Since the experts have not commented yet, I will just say that structure looks plenty strong whether glued, screwed or both. Epoxy with a high density fillet is usually stronger than the wood and...
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    Re: Electric canoe, maiden voyage

    Neat! So say 220 W-h used in 3.5 hours is only 63 W motor power to go almost 3 kts. Sounds very efficient.

    Could you please at some time take some speed/power points on calm water, so I can add...
  30. Thread: Itís over.

    by rgthom
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    Re: Itís over.

    Just back from a New Orleans wedding and it is over there for sure, not a mask or social distance in sight. I should know by Wednesday if I got away with it.
  31. Thread: Car rental

    by rgthom
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    Re: Car rental

    I stopped renting cars and just use Uber/Lyft anywhere now. Even from home to the airport - no parking charge and no waiting for a shuttle. Last trip to Tokyo the normal hotel shuttle was closed due...
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    Re: I like bicycles.

    Today I changed the urban tandem to a 1X drivetrain. Maybe a bit odd to do this to a 40 year old bike, but we use it a lot and I liked everything about it except the clunky shifting on the triple and...
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    Re: Expedition Pedal boat design

    Not to talk you out of this, but just give my view: I am a cyclist and rower, with an expedition type camp aboard rowboat. I've thought about trying to do a pedal drive, but decided against for the...
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    Re: Expedition Pedal boat design

    Might as well start with a proven pedal boat design, Gartside #92 "Blue Skies":...
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    Re: Pedal Cat design

    This sounds like an interesting project. Your goal of 6 mph with 150 W input might be do-able on flat water, but it is probably as good as it gets for a 5 m displacement boat and will take efficient...
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    Re: I like bicycles.

    I watched Craigslist for over a year looking for a decent frame my size and able to fit wide tires with fenders and luggage - no luck. So now I have my first (probably only) custom steel frame. It...
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    Ive done that ride from the other side, broke the...

    Ive done that ride from the other side, broke the national speed limit at the time descending Monitor Pass. I remember they were serving boiled potatoes at the Owens Valley turnaround. Seemed like an...
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    Re: The silence of the lambs

    They are waiting to see if any turds Trump throws at the wall will stick, then they will all rush to hold it there....
  39. Re: Can a short man row a big boat ? Did I build it to big ?

    For a boat you plan to use for years it is worth making the thwart height and location, and the locks location, temporary and adjustable to start. Try it out on the water before making the final...
  40. Re: Can a short man row a big boat ? Did I build it to big ?

    You should be fine, maybe use longer oars. The main thing is to get the right gearing for the boat and the conditions, the ratio of outboard to inboard loom. The bigger boat might take more force to...
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    Re: I like bicycles.

    We took the urban tandem to S Tahoe, for grocery shopping on the bike paths. I had a couple of hours to myself one day, since this was the only bike we had I took it solo passhunting. It's 20+ lbs...
  42. Thread: Beach rollers

    by rgthom
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    Re: Beach rollers

    So far I have been fine keeping the boat in the water with an anchor buddy, no need for rollers. Tides here are 6 to 8 feet, I can imagine bigger tides making it harder but even in Alaska people do...
  43. Thread: Skookum Maru

    by rgthom
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    307,878

    Re: Skookum Maru

    Could you attach small metal spring or pinch clamps as markers? I would be nervous about scoring the plexiglass, it could break at a score line and drop in the tank.
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    Re: Best Rowboat w/o compound curves

    I have plans for the race Drake and would build one if I had the time, but mainly for solo coastal racing. A Drake 19 would be my choice for two up pleasure rowing. Since my Welsford Walkabout rows...
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    Re: Building the CoPogy 18

    Just fantastic, can't wait for some trip reports and more photos!

    -Rick
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    For short distance its not surprising. Electric...

    For short distance its not surprising. Electric motorcycles have been breaking quarter mile records for a long time, an electric dragster just topped 200 mph. The motor tech is there, as you say it...
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    Do you backup to icloud? If yes, log in to icloud...

    Do you backup to icloud? If yes, log in to icloud on the pc and the photos will be there. You can download if you want. If you do not have backup they can all get lost, DAMHIKT.
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    Re: Electric boost for a camping rowboat

    David - I only know one person using these, but he is happy and they are highly rated on Amazon and typically around half the cost of similar batteries. Worth a look at least.
    ...
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    An electric Thistle sounds like a great project....

    An electric Thistle sounds like a great project. Compared to the Walkabout it is double the hull weight, a foot more beam, and has a planing hull with a wider transom. The Walkabout needs about 200 W...
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    Re: Electric boost for a camping rowboat

    Thanks for the comments guys.


    I have to agree with this Clarkey. Coming at it the other way, I keep thinking of adding at least a downwind sail but even a simple rig does not really fit together...
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