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Type: Posts; User: rgthom

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  1. Replies
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    Re: Electric boost for a camping rowboat

    Thanks Tom & Dave. The two lower front corners have 1/4 turn fasteners, all the rest are any-direction pull snaps. If I do not latch the 1/4 turns, then pushing on any corner peels an opening. I bet...
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    Re: Electric boost for a camping rowboat

    5) Attaching the center tent section blocks most of the wind. This is probably going to be the main overnight setup. Oars are placed for quick reach when standing, I have had to move the boat in the...
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    Re: Electric boost for a camping rowboat

    3) For a lunch stop to block wind or sun the tent front can be raised.

    https://live.staticflickr.com/65535/52268340994_9601022ac0_b.jpg



    4) For more protection the tent aft goes up.
    ...
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    Re: Electric boost for a camping rowboat

    So I finished the tent at the end of May, and yesterday was the first time since then I had enough spare time to take the boat out on the water for a short test. Busy year....

    These are the...
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    Re: How far can a boat hang off of a trailer?

    My 250-300 lb, 18 foot rowboat hangs 44 inches off the back. Most weight is on the center bunks, but it has a long skeg and the end roller supports the skeg. There's a light bar on the transom. 12...
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    Re: Silicon bronze screws - sources?

    Duckworks is showing Frearson #8 x 1.5 at $0.48 each: https://duckworks.com/flathead-silicon-bronze-wood-screws/

    Not sure what a good price is for those.
  7. Re: FAA soliciting public comments on minimum seat dimensions

    We just did a trip to Tokyo using a bunch of accumulated miles to upgrade, for the first time, to United Polaris. OMG I can never fly in the back again, and will probably never accumulate enough...
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    Re: Wooden Anchor Roller Question!

    Are those slots in the wood, if so are they for a purpose or just decorative?
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    Re: Building the CoPogy 18

    Wonderful! She looks like a big 18' boat now outside the garage. I love the Tad Roberts pilothouse, it is going to be comfy in there out of the weather.

    -Rick
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    Re: Narrow oar blades?

    Those oars look like they were made for rough conditions. The narrow blades reduce catching waves on the recovery when not feathered, and the straight taper keeps maximum strength for pushing off...
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    Re: A Seil in California

    The boat is looking great. I know the finish takes a lot of time, but this must feel close now.


    I agree on both and am jealous since it has been several years since we had the time or freedom to...
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    Re: Wooden Anchor Roller Question!

    I made this one a dozen years ago for an 18 foot skiff, using leftover Afrormosia and some bronze plate. I would not trust it for heavy loads, it would probably break at the first bolt. I keep...
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    The power needed will be a tough question to...

    The power needed will be a tough question to answer without testing. I put an electric outboard on my 18 foot glued lap skiff, it will do 4 kts using 250 W of electrical input power. My boat is very...
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    Re: A Seil in California

    I had to look back to remember what I did with the rudder. These are Racelite pintles from Duckworks, sized to fit the rudder stock inside, the cheeks go outside. Not sure it matters except for minor...
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    Re: A Seil in California

    You are as crazy as me about underwater turbulence. Those are the strips I used, smoothed at the ends and epoxy glued. They take paint well, go ahead and paint them. I just took a photo of one of...
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    Re: A Seil in California

    Cross posting with Rob but yes, what he said. Glass only for some abrasion protection, not needed for strength. Bottom and garboards only. Maybe on this boat add some strips farther out at the bow.
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    Re: A Seil in California

    I would not glass over the skeg either. That sounds like making the job much harder for little gain. Will the skeg be solid wood? Epoxy bonded, with generous fillets, plus maybe a few screws from...
  18. Thread: Limit Screws

    by rgthom
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    Re: Limit Screws

    Thanks Rob. Kind of what I thought. If it shifts don't touch it...
  19. Thread: Limit Screws

    by rgthom
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    Re: Limit Screws

    Yes but what about the B screw? Seriously, I'm never sure how to adjust that one.
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    Re: A Seil in California

    This Navigator by Matt Davis just popped up on the Welsford FB group. I like the colors, thought it may be close to what you are planning.
    ...
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    Re: A Seil in California

    I was playing around with G10 when building my boat, so used some strips of it as bottom protection. It epoxy bonds just fine to wood or a layer of 'glass, which the VHMW does not and even the metal...
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    I used the System III water based epoxy primer on...

    I used the System III water based epoxy primer on the outer hull, where I thought it needed some build up and fairing. Not sure it mattered much. On the deck and interior it was just a coat of plain...
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    Re: A Seil in California

    I went with light colors due to the hot summer sun here. I bought a gallon of Orcas White and used it for the outer hull and interior, the deck is San Juan Tan (1 qt). After using the boat in the...
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    Re: A Seil in California

    For paint on mine I used System III water based LPU. You have to add a few drops of the crosslinker and mix it in, but water is the solvent and there are no fumes. In our low humidity it was hard to...
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    Re: A Seil in California

    I am going to call advantage Fairfield for sanding. My building jig was on casters, for any sanding work I rolled the boat out of the garage into the usual howling wind and sanded from the upwind...
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    A lot of my rowing is on narrow winding sloughs,...

    A lot of my rowing is on narrow winding sloughs, often tucked within an oar length of a rip rap levee to stay in the wind shadow. Trees, pilings and docks come up along the levee, without a mirror I...
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    Re: Mirror for rowboat?

    These are some of the local TSCA folk, launching for a row on the Napa River. The boat on the right is a Natoma Skiff, a light car toppable rowboat designed by John DeLapp. Just at the ramp looks...
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    Re: Building the CoPogy 18

    I am using the stop loss bags now too, what a great idea. They come with a rubber funnel Hugh, it fits over a quart can and onto the bag. After filling let the varnish on the funnel dry and peel it...
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    Re: Mirror for rowboat?

    I've tried a few different mirrors over the years. Plain flat was not enough field of view. A motorcycle convex mirror was too curved, objects were too small to see. The best has been a ski boat rear...
  30. Re: Bottom height above the ground when on a trailer?

    I was just saying that the ability to launch from above the waterline can be an advantage in many situations, but I expect you are worrying too much. At this tidal slough with my local rowing club we...
  31. Re: Bottom height above the ground when on a trailer?

    How much will this jon boat weigh? I assume with a motor it will be too heavy for this, but for a 300 lb skiff with flat sole I found that lead on rollers let me launch with all car tires dry and...
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    My hull was built right side up. I can see how...

    My hull was built right side up. I can see how upside down would be a lot easier when doing full length planks scarfed on the bench.
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    I have only built 1 boat, but working alone and 2...

    I have only built 1 boat, but working alone and 2 scarfs per plank the only way I could manage was to scarf in place. It worked fine. I clamped over each scarf with a length of the same thickness...
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    Is the dinghy home built or from a manufacturer?...

    Is the dinghy home built or from a manufacturer? I sold a used dinghy through the manufacturers used boat listings. There was a selling commission, but the price it got was far higher than a CL sale...
  35. Re: Does anyone have experience in charging the Horizon 870 VHF radio from 12VDC?

    I got a buck regulator from Amazon. The one I used looks to be only 1 left, but there are many similar.
    https://www.amazon.com/gp/product/B00BWKXTUU/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1
    ...
  36. Re: Does anyone have experience in charging the Horizon 870 VHF radio from 12VDC?

    Yes, my HX870 charges from a regulated 12 V converter hooked to a 26 V Li battery source. It uses the lighter plug cable and the charge cradle, and with an external antenna this is my base station....
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    Re: Help me design a 12v electrical system

    I do like big steampunk analog current meters, definitely more visible and accurate enough for what we are doing. For the voltmeter, you may need a digital meter if you are monitoring the battery...
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    Oh, and the ammeter is measuring motor plus USB...

    Oh, and the ammeter is measuring motor plus USB current but USB should be very little so it hardly matters.
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    It looks fine to me. Definitely have the main...

    It looks fine to me. Definitely have the main breaker or fuse at the battery. The motor should not have much inrush if it is run from a controller, the ammeter should not be at risk. Are you going to...
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    107 forecast for the solstice. We still get some...

    107 forecast for the solstice. We still get some delta breeze, hotter in the valley. Its a dry heat...
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    Re: We got a wildfire

    Fire mapping from satellite data is here:
    ...
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    Re: We got a wildfire

    11,000 acres? OK, that is a real wildfire. I thought you were in the part of the country we can all move to to escape climate change....
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    Re: mike muther******* pence

    Was it the religious fervor that made him do such awful things the same reason he stood up on this? I think he fears hades more than Trump.
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    CW, if you are back could you please take a look...

    CW, if you are back could you please take a look at my post 667. I think this shows there is a problem in your table.
    Nick is a lost cause, but I still hope to convince you.
  45. Replies
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    This puzzle is called the Monty Hall game, but I...

    This puzzle is called the Monty Hall game, but I understood that the lets make a deal show had different rules.
  46. Replies
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    Re: Do you know the correct answer?

    I think I can explain the problem with this. After the contestant picks a door, there is a 33% chance of the car being behind it. That means there is a 33% chance that there will be some result,...
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    The first year Roger Mann came close. He was in...

    The first year Roger Mann came close. He was in rough water near a lee shore. There was a failure of the boat followed by a failure of his dry suit. One more in the chain might have turned out badly.
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    Let me try something I do not think has been...

    Let me try something I do not think has been expressed yet. I will try to state it as simply as I can: Your table shows all the combinations, but does not account for probabilities.
    When the player...
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    2022 R2AK - does anybody care?

    That first year I sent in my entry for stage 1 with my rowing Walkabout. No chance of winning anything, but I knew I could row 40 miles on calm water and the ebb current should help a lot. I was...
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    Re: Do you know the correct answer?

    Another clear way of stating the situation.
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