Comentarii la: Vremea pentru marinari

De: Luke Thompson

Luke Thompson — Fri, 05 Aug 2022 19:58:18 +0000

Thanks for a great presentation. Just have to reverse everything in my head because I'm in the southern hemisphere. Just one little mistake, cyclones don't intensify and turn into hurricanes, they're just hurricanes that spin the wrong way around.

De: Andrew Bates

Andrew Bates — Sat, 18 Sep 2021 10:54:50 +0000

V = f * L. And f = 1/T. So V = L / T or L = V * T. Yet at 45:36 you are saying v (knots) = 3 x T, so the longer the period, the faster the wave. What does that imply for the wavelength, L? A 10 second interval wave travels at 30 knots, a 13 second interval wave travels at 39 knots. This implies a 10 second interval period wave, travelling at 30 knots (so 55km/h), in comparison with a 13 second interval period wave, travelling at 39 knots (so 55km/h), has a L of 30 Knts * 10 = 300 NM / time unit as against a L = 39 * 13 = 507 NM / time unit, which is to say a ratio of 1 : 1.69 (or the square of v1 to v2).

Hmmmm, are you sure that's right? I can imagine wavelength varying in proportion with V if T is constant, or L varying in inverse proportion to F, and thus in proportion to T, if V is constant, but V being proportionate to T seems a bit skew-whiff.

De: Jonathan *

Jonathan * — Sun, 20 Jun 2021 23:11:18 +0000

what is meant by "sailing off" 50:30

De: Armagan Ulubas

Armagan Ulubas — Fri, 18 Jun 2021 20:58:40 +0000

thanks a lot for presentation

De: Viggo Simonsen

Viggo Simonsen — Sat, 10 Apr 2021 07:17:51 +0000

Excellent presentation. Good old-fashioned lecturing, thorough and deep – and without all the annoying distractions of loud background music and flashy graphics. Just as we like it. Thanks a lot

De: Nate G

Nate G — Sat, 13 Feb 2021 13:13:56 +0000

I’m happy to have found your school – hopefully I’ll take full advantage’ many thanks for your guidance

De: Anesthesia & Beyond

Anesthesia & Beyond — Wed, 28 Oct 2020 19:48:56 +0000

It is an intense course for serous sailor. Loved so much! I learned so much from your presentation which was packed with information and personal experience!
Thank you captain so much for sharing

De: Miha Sinkovec

Miha Sinkovec — Mon, 31 Aug 2020 15:14:41 +0000

That was just a fantastic presentation! I'm almost lost for words. Thanks for sharing!

De: Don Vito

Don Vito — Mon, 31 Aug 2020 05:19:30 +0000

Thank you…. much appreciated

De: Eduardo Miri

Eduardo Miri — Fri, 14 Aug 2020 11:23:04 +0000

Best explanation I ever saw!! Thank you very much!