Search:

Type: Posts; User: rgthom

Page 1 of 20 1 2 3 4

Search: Search took 2.83 seconds.

  1. Replies
    145
    Views
    28,404

    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...
  2. Replies
    17
    Views
    497

    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...
  3. Replies
    17
    Views
    497

    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...
  4. Replies
    526
    Views
    79,333

    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...
  5. Replies
    17
    Views
    497

    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...
  6. 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...
  7. 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...
  8. Replies
    9
    Views
    226

    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.
  9. Replies
    9
    Views
    226

    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...
  10. Replies
    17
    Views
    642

    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...
  11. 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
    ...
  12. 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....
  13. Replies
    8
    Views
    403

    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...
  14. Replies
    8
    Views
    403

    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.
  15. Replies
    8
    Views
    403

    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...
  16. Replies
    131
    Views
    1,396

    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...
  17. Replies
    6
    Views
    149

    Re: We got a wildfire

    Fire mapping from satellite data is here:
    ...
  18. Replies
    6
    Views
    149

    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....
  19. Replies
    54
    Views
    1,004

    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.
  20. Replies
    906
    Views
    8,442

    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.
  21. Replies
    906
    Views
    8,442

    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.
  22. Replies
    906
    Views
    8,442

    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,...
  23. Replies
    59
    Views
    1,285

    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.
  24. Replies
    906
    Views
    8,442

    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...
  25. Replies
    59
    Views
    1,285

    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...
  26. Replies
    906
    Views
    8,442

    Re: Do you know the correct answer?

    Another clear way of stating the situation.
  27. Replies
    906
    Views
    8,442

    Re: Do you know the correct answer?

    It is not my "belief". The two states are identical, they do not create any change in the odds. Follow Tom's table and explain why you believe splitting the two identical goats can change the outcome...
  28. Replies
    906
    Views
    8,442

    Re: Do you know the correct answer?

    CW says it does matter which one, but it does not. The two states are identical. CW says show your work. Tom did, in his first table.
    ...
  29. Replies
    906
    Views
    8,442

    Re: Do you know the correct answer?

    This is the sticking point. You added the rows for the only "choice" the host has, which goat to pick if the remaining two doors both have goats. But it has no effect! The host could be a robot who...
  30. Replies
    22
    Views
    358

    At work we use crimp ferrules and the Wagos. Now...

    At work we use crimp ferrules and the Wagos. Now I use them at home.
  31. Replies
    30
    Views
    838

    I have glassed 1 marine ply hull. At the time,...

    I have glassed 1 marine ply hull. At the time, several builders of similar boats were complaining of outgassing bubbles due to using heaters under the hull in cold weather. To be safe I did mine in...
  32. Replies
    906
    Views
    8,442

    The probability of the next chamber having a...

    The probability of the next chamber having a bullet is zero if the host controls it. The host controls the chambers (door), he removes any randomness.
  33. Replies
    906
    Views
    8,442

    You need a host, who knows where the bullet is...

    You need a host, who knows where the bullet is and moves the chamber. Under similar rules, the gun host would give you 4 more safe squeezes. Do not take the 6th.
  34. Replies
    906
    Views
    8,442

    They are combinations of something, but CW added...

    They are combinations of something, but CW added 3 lines that are not things which affect the outcome. Being really facetious here, but you could add lines for whether the host drank tea or coffee...
  35. Replies
    906
    Views
    8,442

    It really does. The contestants first choice is...

    It really does. The contestants first choice is random, the host then makes predetermined actions. Calling the hosts action a choice is causing confusion. The column of host picks should not be in...
  36. Replies
    906
    Views
    8,442

    The host chooses, not random. The contestant does...

    The host chooses, not random. The contestant does not.
  37. Replies
    906
    Views
    8,442

    No, there are 9. If the contestant chooses the...

    No, there are 9. If the contestant chooses the car first pick then the host determines which door is still available. The contestant does not have a choice.
  38. Replies
    906
    Views
    8,442

    I mean the choice of the two remaining doors...

    I mean the choice of the two remaining doors without the car, which of the two goats will be revealed. Then the contestant can make his choice to stay or change.
    The choice of one of the two goats...
  39. Replies
    906
    Views
    8,442

    The choice of one of the two doors available, if...

    The choice of one of the two doors available, if the first choice was the car, is not up to the contestant. It is determined by the action of the host.
  40. Replies
    906
    Views
    8,442

    The host is not making random choices with equal...

    The host is not making random choices with equal probabilities.
    When the car is behind the door chosen by the contestant, the rule could be that a specific door number is chosen (say car in door 1...
  41. Replies
    906
    Views
    8,442

    No. This is where CW added the lines, but the...

    No. This is where CW added the lines, but the hosts choice of one of the two goats is not a random event and it does not affect the odds. The only thing that matters is that he consciously, not...
  42. Replies
    906
    Views
    8,442

    The two remaining doors are not equal. Montys...

    The two remaining doors are not equal. Montys action made the second door twice as likely to be a car.
  43. Indeed. I am participating in Toms thread only...

    Indeed. I am participating in Toms thread only because it seemed such an easy to resolve question (which I had wrong to start). Politics? Impossible..
  44. Replies
    906
    Views
    8,442

    It is what was asked, due to the rules of the...

    It is what was asked, due to the rules of the game. Those rules do not change, they are known ahead, but the hosts action does change the odds.
  45. Replies
    906
    Views
    8,442

    Not true. In the 100 door example the odds change...

    Not true. In the 100 door example the odds change step by step as each door is opened to show a goat. The odds are changing only for the contestant. The host knows if the car is in the remaining 99...
  46. Replies
    906
    Views
    8,442

    If you were offered 2 doors at the start the odds...

    If you were offered 2 doors at the start the odds would be 50 50. If you were offered 3 doors and had the choice of picking 1 door or the other 2 doors the odds would be 33 67. This is in fact the...
  47. Thread: Just Sayin'

    by rgthom
    Replies
    39
    Views
    699

    The one creature that gives me the heebs is the...

    The one creature that gives me the heebs is the sea lions. They come far up into the Delta and some become very aggressive after learning to steal fish off fishing lines. For big boats with motors...
  48. Replies
    906
    Views
    8,442

    If you switch you are not choosing one of 2...

    If you switch you are not choosing one of 2 doors. You are choosing the only door left.
  49. Replies
    906
    Views
    8,442

    It is not! It is 99 %.

    It is not! It is 99 %.
  50. Replies
    906
    Views
    8,442

    Wow, I read it and think it is wrong. He does not...

    Wow, I read it and think it is wrong. He does not seem to understand how the host reveal changes the odds.
Results 1 to 50 of 1000
Page 1 of 20 1 2 3 4