Originally Posted by dnv
To me a chart needs to show a big enough area coz otherwise a Rib has crossed the area shown too quickly, and a small chart does not provide sufficient overview. On the other hand details should be shown. To me A5 is showing too little area or/and too little detail.
Hence the flipchart idea. I have them arranged so that most trips will be a next / previous page job (advantage of the lochs in scotland - a lot of the water lends itself to a linear map!), so no faffing looking for page 28.....
Different charts for differnet needs. I cannot keep control of anything bigger than A5 without serious risk of it going over the side. (lost 4 event laminates over the years whilst en route to rescue dinghies)
I guess a bigger rib with a big console & a windscreen A4 or even A2 could be easily managable.
Horses for courses!
Originally Posted by Paul Glatzel
I tend to agree that operating a plotter at higher speeds in rougher conditions can be quite challenging as your hands never seem to do what you want them to – which can actually make it easier to work with a smaller hand held plotter and hand held charts that move as you do.
Have a look on the "falkirk wheel" thread - the reason my plotter is mounted where it is- I spent a couple of weeks destroying cardboard boxes to prototype that pod - it is designed to take my gloved hand resting on the side of the pod while I push the buttons with my thumb. Can easily operate it at 25 knots in a reasonable sea (hand is moving at the same speed & direction as the plotter), and if I need the throttle mid muckabout it's right under my hand.
The trick of driving with one eye ahead & one on the screen took a bit of getting used to.....but when seated the plotter is at the perifery of my vision , so a quick glance is usually enough. If I'm standing I'm reading the water anyway so will stop to check the screen if I need to.