Quick blast around the Solent yesterday

Nick_H

Nick_H

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www.ybw-boatsforsale.com
Had a short trip out yesterday on the new boat, weather was lovely, warm sun, light winds, calm seas. Sat out in t-shirts in a pub beer garden in Yarmouth, then back to Lymington, stopping only briefly to tow a broken down RIB full of young ladies back to Yarmouth /forums/images/graemlins/cool.gif

The weather looks similar for Saturday, so here's a few photos for anyone going boating this weekend, to get the juices flowing, though I can't promise you the stranded hareem.

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In the absence of the harem, could I have your Windy instead? Gorgeous boat.

Our boat's due to go back in at the beginning of April, by which time we'll no doubt be enjoying Spring Showers /forums/images/graemlins/frown.gif /forums/images/graemlins/smile.gif
 
V nice boat, Nick H. Does this mean you're going to see less of the boat in France /forums/images/graemlins/smile.gif
 
It's amazing what speed you can achieve if you calibrate the log right. He was probably just idling out of the marina at the time /forums/images/graemlins/grin.gif
 
Gorgeous Aston Martin of the sea Nick, congratulations. Pic of Berthon in background brings back memories. 45kts+, sheesh. I expect with a spring tide you'll have a picture of 50kts SOG soon? Have a great weekend there

No name yet?
 
well, huge thanks to jfm, i've just booked up a charter on the 57 for 5 weeks in the summer, that either pays for half the Windy, or covers 2 years costs in SoF, so it's all worked out swimmingly, and we can use the Windy in the mean time. It's also going to be the best British summer in years, fuel will be cheap, the recession will be over, and Gordon will have resigned /forums/images/graemlins/grin.gif
 
Smooth. Were you running the trim tabs at 0 or are your Bennetts guages about as informative as the same ones that I've got?
 
Jeez Nick, thats a nice looking boat for blasting about /forums/images/graemlins/cool.gif

You prob seen a previous post of mine where I said that under consideration for our next boat is a house in Mallorca and a fast dayboat. Something like a Hunton / SS43 etc but I must say that Windy would fit the bill nicely.

Anyway the decision is still a couple of years away.

Have fun and keep the pics coming /forums/images/graemlins/wink.gif
 
No, previous name was Minnie, which is obviously one of those names that meant something to the previous owner, but not a name that i'd keep. It's part 1, so it may have to be "Heatwave of Lymington".

Benjenbav - it seems to run best with no trim tab, but the outdrives tucked in a touch.

gjgm - yep, these things are gonna feel a bit common, so much for Windy exclusivity /forums/images/graemlins/grin.gif
 
[ QUOTE ]
it seems to run best with no trim tab, but the outdrives tucked in a touch.

[/ QUOTE ]No trim tab for sure (they should never be used, other than to correct listing in xwind), but the legs tucked in...?!?
She would the first speedboat on earth to achieve her max SOW in such conditions!
Unless by "run best" you're talking about handling/stability, of course.
But if you're just after sheer speed, the less stable the boat the better, because it means that the wet surface is reduced, and to achieve that you should trim out, not in.
As Reggie Fountain puts it, speed is all in how you trim the boat.

PS: really superb boat, prolly the best in her class. Congrats!
 
[ QUOTE ]
[ QUOTE ]
it seems to run best with no trim tab, but the outdrives tucked in a touch.

[/ QUOTE ]No trim tab for sure (they should never be used, other than to correct listing in xwind), but the legs tucked in...?!?
She would the first speedboat on earth to achieve her max SOW in such conditions!
Unless by "run best" you're talking about handling/stability, of course.
But if you're just after sheer speed, the less stable the boat the better, because it means that the wet surface is reduced, and to achieve that you should trim out, not in.
As Reggie Fountain puts it, speed is all in how you trim the boat.

PS: really superb boat, prolly the best in her class. Congrats!

[/ QUOTE ]

Interesting. We have always been told to tuck the leg in.
 
gotta say, I might add a tad of trim in if ploughing into some Solent chop, or about to fling it into a full lock turn in order to clear the cockpit table of left over canapes, but otherwise I run mine a zero or maybe +1.
It does need a bit of tab in the wind, for sure.
 
Admittedly I haven't had much time to play with settings yet, but on the sea trial with legs at +1/+2 the boat started to porpoise a bit when we hit some shallow swell. Trimming in to -1/-2 stopped it completely, with no noticeable effect on speed.
 
yea, there seems enough horse power.
One thing you will find, going faster is usually better than going slower...
and say goodbye to anyone who cruises at 20-25 knots at the departure port /forums/images/graemlins/grin.gif
 
[ QUOTE ]
Interesting. We have always been told to tuck the leg in.

[/ QUOTE ]Well, whoever told you to tuck it in regardless of conditions (if that's what you've been told) was clearly in the wrong.

There's a number of specific situations where trimming down can make sense:
1) to ease/speed up the transition from displacement to planing. Normally not even worth the hassle of pushing the trim button, unless the boat is underpowered and/or overloaded;
2) to keep the bow down, improving handling and softening the ride, particularly with head sea. Makes sense, unless you have trim tabs, in which case you'd better trim the boat a bit and keep the leg at zero (more about it later);
3) to pull a skier out of the water faster. That's maybe the best reason to tuck in, even if just for a few seconds.

At the opposite extreme, there's only one situation where it makes sense to trim the leg up a bit, and that's to squeeze the max speed out of the boat at WOT. Mind, it doesn't make a huge difference, compared to a proper "zero" position, but for instance I'd expect a 45kts boat like this one to build up another couple of knots or so, in flat waters.

But the large majority of usage should be at zero trim, meant as the position where the prop push is perfectly horizontal.
Trouble is, that depends on the planing angle of the hull, which is turn is also influenced by the trim position.
So, the "perfect" zero position is not necessarily the one shown by the gauge.
Besides, it can change slightly depending on the boat speed, because the planing angle usually gets lower as speed gets higher.
But we're talking about really fine tuning here: differences which are hard to notice even for expert helmsmen.

One trick you might wish to try is the following: if you are cruising with a friend on another boat (in perfectly flat waters, and with your typical boat load), try to find the ideal combination of trim and cruising speed at which you use the boat most of the time. And ask your friend to take a pic of your boat from a lateral view. Based on that, you can see the "cruising waterline". It will be lower at the bow, if compared with the static waterline.
Afterwards, when looking at the boat outside the water, use the pic to compare that cruising waterline with the prop angle (you'll have noted in the meantime the trim position at the time the pic was taken).
If the prop is exactly aligned with the cruising waterline, congratulations! Your own sensibility was enough to set the trim correctly.
But most peeps will discover that they were keeping the leg below its ideal zero, and in this case it should be adjusted accordingly.
A much easier/quicker check can be done based just on the static waterline: the prop should NEVER (aside from the 3 cases above) push upward, compared to the static waterline. If anything, a few degrees downward.
And this can be checked even with the boat anchored, just looking at her while snorkeling.
 
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