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Take two identical CD 25s powered the same; owned and operated by two different people. Tracking and computing the 2 boat MPG will be different. Why? * boat loads (weight) will differ * condition of underwater hull cleanliness will differ * sea conditions, wind and weather will differ *...

Well now, a bit into my personal space, but I'll take the bait. You may not be surprised to know I've had five 'serious' :roll: relationships, so far, in my life; and am married to wife #3. I can't explain the numbers or how it came about... Thanks for the opportunity of getting that out. I...

So I was in Georgetown, Exuma for the winter on the Atlantic 42 cat contemplating my navel amid an approaching nasty storm thinking I should wake up and get into Red Rocks, a local hurricane hole. A guy in a small outboard kept circling me appearing as an authentic Looky Lou. I flagged him...

I drove from Michigan to Maryland to the yard my brother and I were having our Atlantic 42 catamaran built. We were out for dinner. Some guy approached us and asked if "that convertible outside" was for sale. I said anything I have I'll sell for the right price. I flew home 3 days later. Aye.

Great minds and some with ultra fat wallets have long known there always are advantages when others see only calamity. Falling water levels and melting ice both expose millions of people to jeopardy as well as expose new earth bed for old time prospecting. The big boys are at the latter...

Again, I opine: Aye

If I came across a deadhead in open water, I'd record the coordinates then get on the VHF and call "Securite" to report the navigational hazard. The best time honored prevention to prevent holing your hull is keeping a good diligent watch when underway. Aye.

You might be impressed. Take a ride on one here: https://www.youtube.com/watch?v=-9_xx5eC1NY Carbon fiber hull, 30 knots, specs, more. Disclaimer: Not for water-skiers. There is no wake to jump. Maybe good bye to 'Slow - No Wake' zones? IMHO - Gonna be bigger than big. H U G E even. Aye.

In my photo album, take a look at a transom core from a 28' high performance powerboat. It's the thickest core sandwich on the right. The lower wood section is end grain balsa -what is found in the rest of the balsa cored hull; the upper marine plywood - in the transom only (well, maybe in...

Good points. Buyer beware. Do your homework. Know what you are doing. Get the facts vs armchair engineering.. Aye.

If you have a usual heavy load and know your boat's usual cruise speed, overing the Mfg maximum hp suggestion, as per above, simply means the larger engine, with more cu inches or other, is not working as hard as a smaller one would. This can translate into better economy all else being tuned...

Some helpful has already been said. My take to get the best fuel economy, you have to: 1) Drop the weight. Cannot have both weight and economy. 2) Drop planing speed. Run as a displacement boat; slow. Theoretical max. displacement hull speed is 1.34 x square root of water line length in...

Now we're gettin' somewhere. Foils yet. Be there in a minute... Less energy, more speed. But you don't have to be a speed freak. Want less speed and still be able to beach your foiled eboat? The answer: retractable foils. https://www.boatsnews.com/story/24381/t ... able-foils I have to...

Worried lithium-ion batteries aren't up to the job for electric motors and eboats? OMG Sodium (about 1/4 lb in a gallon of sea water) is being developed to replace lithium. It's much more abundant, safer, close to Li on the periodic table... has great potential...

They are almost here... but pricey. Believe the claims? Buy one and find out. What better use for all that $$ you saved by not going anywhere during COVID? Then tell me about it. Aye.

Boris, You are (partially) correct. The person I spoke of is Patrick Childress who authored "The Cruising Guide to Narragansett Bay". I met him, a captain of a different Swan 50 from the one I was on in a fleet sail from Newport to St Maarten. I did err in some details in my excited claim to...

That is my understanding; longer duration is now a limitation. It also is a relatively young industry and they are working on it. Let's look again in a year or so. Forward progress is not always exponential. Aye.

I've sailed and if under full canvas I could go only 4 knots, I'd crank the Yanmar. Subconsciously, I knew someday I'd be in a powerboat. But I know that "sailing timeline". That's when you plan your entire day under sail toward your destination. When it's in sight, usually toward dusk, you...

Thanks, daninPA, for explaining how a grievance differs from an argument* --> a set of propositions --> a point. For me, when 'points' contain mostly extremes they lose value and my interest. It seems to me new electric technology is here. It is going to take time to gain a following...

It seems you have a battery of grievances. I am not here to convince you otherwise. Aye.