Roberto's latest activity

Hello, have owned a Sun Legende 41 for about 20 years, during this period we made two family/singlehanded Atlantic circuits of 3 and 1...

The belt inside the ram is cheap insurance. And carbon brushes for the motor, an old thread was resurrected recently. I had also the...

The Ben Line ship was the “Bencruachan”: This was after the temporary repair; she sailed back to Britain like this. The NOL boxboat...

Interesting question :) out of curiosity I have drawn the graph of four primary tidal stations, Dover (semidiurnal), Galveston TX...

There cannot be a global spring tide across the world. There are a few different types of tides, the two extremes are semidiurnal (where...

The view I presently have, is of buildings, grey skies and a patch of grass. It tipped down with rain last night and is still trying to...

I had radar before AIS, and last year was in Poole bay in thick fog. radar is a standalone Furuno one whilst the AIS is shown on the...

Spring/Neaps are related to amplitude, not levels of single HW or LW. A time series of amplitudes is not a continuous line, giving a...

Just to clarify, I have never seen red ATF becoming black like engine oil, but definitely remaining transparent red and incorporating...

AI experimental weather products

Thinks wot I have learnt. Never use your foot on a throttle control. OK until one day it isn't. Typically when raining. Never put your...

Example Sept 4 and 5 there are three tides with exactly the same ampltude: which would be your "official" spring?

Where would you draw the upper/lower envelope? Outside the highest HWs and the lowest LWs? Least square errors interpolation between all...

I change the reduction gear oil (ATF) when it begins to shows black floating particles, which may be after 200 or 500 hours, depending...

This is how local taxi drivers steer the taxi when the taxi steering wheel get stolen