CocoonCruisers's Recent Activity

  1. CocoonCruisers liked alan craig's post in the thread fan powered sails.

    ....Or he is being pulled along by a piece of string. Edit: ( I tried to Quote+ from the post above but it was too complex for me)

    Oct 26, 2020 at 10:35 AM
  2. CocoonCruisers replied to the thread fan powered sails.

    Or perhaps it's an electric skateboard below. (The bin's wheels when he is watering the flowers are not the same as those shown later,...

    Oct 26, 2020 at 10:33 AM
  3. CocoonCruisers liked sharpii2's post in the thread fan powered sails.

    Another highly counter intuitive example of reactions. One would think that the reaction of the forced air leaving the leaf-blower...

    Oct 26, 2020 at 6:17 AM
  4. CocoonCruisers liked philSweet's post in the thread fan powered sails.

    Nope. There has to be a breeze. Don't confuse force multiplication with power multiplication. You can absolutely multiply forces, and...

    Oct 25, 2020 at 7:45 PM
  5. CocoonCruisers replied to the thread fan powered sails.

    [MEDIA]

    Oct 24, 2020 at 8:43 AM
  6. CocoonCruisers liked Doug Halsey's post in the thread T Rudder designs for cruising catamarans.

    This isn't the whole story. It's true that a wing with nonelliptical planform can be twisted to make the loading elliptical, but the...

    Oct 21, 2020 at 10:04 AM
  7. CocoonCruisers liked patzefran's post in the thread T Rudder designs for cruising catamarans.

    Answer : Agree, I just gave an order of magnitude of A cat classic winglet surface. A quick computation of the condition to have the...

    Oct 21, 2020 at 8:38 AM
  8. CocoonCruisers replied to the thread T Rudder designs for cruising catamarans.

    (Hey Dave, we had talked about this on facebook) I think you need to mention the scale of your cat :) Schionning Waterline 1480 if i...

    Oct 21, 2020 at 7:03 AM