Cobaltchat.com

AsLan7 wrote: Sat Mar 07, 2020 3:02 pm

Table Rockin wrote: Sat Feb 29, 2020 8:10 am If the electric powered auto market continues to gain significant traction its only a matter of time before it becomes common place on boats. Run times will get longer, charge times will get shorter. Actually a solar powered dock with a charging station seems like a really good idea. Free gas.....

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So true TR. The technology is changing at an exponential rate. The article below is from five years ago!

Got McLaren ?


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McLaren's Design Boss Builds Stunning Electric Boat

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That boat is stunning, thanks for posting. My father wanted a Cris Craft his whole life and never got one...I always regret that.

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Yeah can't say I'd invest in one till they come closer to perfecting the technology in boats, just doesn't seem super practical. I'd have to have a 40hp outboard on there as backup

As a Tesla owner for over 5 years and 101,000 miles I doubt battery technology will be advanced enough to be practical for the vast majority of boaters for at least a decade or two. Batteries simply don’t pack enough energy per pound to work for something like my R5 that burns 8 gallons per hour when I’m surfing or cruising across the lake. A Tesla battery weighs 1300 pounds, packs as much energy as about 14 gallons of fuel, and costs about $14,000. A battery that would pack as much punch as my 50 gallon tank would weigh about 4000 pounds and cost about $50k. At least you wouldn’t need ballast tanks, lol.

My Tesla battery is 5 years old and the range has degraded about 30% which means I only have about 165 miles of real world driving range. The new Tesla model S 100D has a rated range of 391 miles but real world that means about 320 miles. Any large sports sedan can travel that far on 15 gallons of fuel.

For the Nautique, I’m guessing 2 hours of run time is at slower speeds and there is the huge problem of recharging. Keep in min that Tesla is way ahead of the other companies with their battery tech with the model S having 35% more range than any other electric car. I doubt Nautiques battery supplier is anywhere close to having the same expertise as Tesla. I have an 80 amp 240 volt charger at home(100 amp breaker) that has a limited length of about 20 feet for the charging cable. It takes 5 hours to charge at that 80 amp rate so if Nautique is claiming 90 minute charge times they are assuming a very large amperage charger. I can’t see how I would even get one of those down on my dock and then have it removed each fall.

I’m not against the electric tech for cars and will likely trade in my Tesla for a new Model S this summer as its performance is unbeatable for an $80k/$100k sedan but I don’t see how this will be practical for marine use anytime in my lifetime.

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Well said MnLB.
Although I wouldn’t discount how fast the technology is progressing. (not in your lifetime?). I guess if you’re 90.
That being said, I’ll stick with electric tech in cars and ICE tech in boats (for now).


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I'm a huge Shawn Murray fan.

Two things that seem to dominate this forum that this boat lacks: oversized HP and Captains Call.
Pretty boat though.

Krob1114 wrote: Tue Oct 06, 2020 8:16 am Two things that seem to dominate this forum that this boat lacks: oversized HP and Captains Call.
Pretty boat though.

Your catching on! Or a 240!

Here is the new video that explains what you need and how much it costs to get setup.

All very interesting. I have to wonder about their outside the box thinking. I am a retired electrical engineer so maybe I think a bit different than some. If I were to decide to go electric in a boat, it would be a hybrid design. At least you would always be able to get back to port.

MnLakeBum wrote: Wed May 13, 2020 6:10 am I have an 80 amp 240 volt charger at home(100 amp breaker) that has a limited length of about 20 feet for the charging cable. It takes 5 hours to charge at that 80 amp rate so if Nautique is claiming 90 minute charge times they are assuming a very large amperage charger.

So if my online calculators are correct this would be 19.2 Kw hours, which would cost between $5-9 per fill up depending on electric rate. Am I correct? I am considering on an electric car for my commuter 47 miles one way 99% highway.

akorcovelos wrote: Mon Mar 09, 2020 1:51 pm My question is, in the snow belt how will those batteries last sitting in sub-zero temps for 6 months?

Also, Mark that tour of McLaren looks epic!

Sitting...they are fine. They just have less capacity like any battery would when its cold. The only issue is if you like to use your boat in sub zero temps. If the issue is no, then its not a problem.

bruceb58 wrote: Wed Feb 24, 2021 11:32 am

akorcovelos wrote: Mon Mar 09, 2020 1:51 pm My question is, in the snow belt how will those batteries last sitting in sub-zero temps for 6 months?

Also, Mark that tour of McLaren looks epic!

Sitting...they are fine. They just have less capacity like any battery would when its cold. The only issue is if you like to use your boat in sub zero temps. If the issue is no, then its not a problem.

Well I don’t use the cobalt in freezing temps, I do go boating.

That looks like the time I lost all my AK47s

akorcovelos wrote: Wed Feb 24, 2021 12:38 pm

bruceb58 wrote: Wed Feb 24, 2021 11:32 am

akorcovelos wrote: Mon Mar 09, 2020 1:51 pm My question is, in the snow belt how will those batteries last sitting in sub-zero temps for 6 months?

Also, Mark that tour of McLaren looks epic!

Sitting...they are fine. They just have less capacity like any battery would when its cold. The only issue is if you like to use your boat in sub zero temps. If the issue is no, then its not a problem.

Well I don’t use the cobalt in freezing temps, I do go boating.

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What do you do. Drive around stealing everyone's wood ducks on the lake?

dustinm wrote: Wed Feb 24, 2021 10:07 am

MnLakeBum wrote: Wed May 13, 2020 6:10 am I have an 80 amp 240 volt charger at home(100 amp breaker) that has a limited length of about 20 feet for the charging cable. It takes 5 hours to charge at that 80 amp rate so if Nautique is claiming 90 minute charge times they are assuming a very large amperage charger.

So if my online calculators are correct this would be 19.2 Kw hours, which would cost between $5-9 per fill up depending on electric rate. Am I correct? I am considering on an electric car for my commuter 47 miles one way 99% highway.

The battery is 8.5 KW and takes about 9 KW to charge. It charges more slowly as the battery gets full. We are paying about 9 cents per KW/h so about $8 to travel 220 miles. Smaller and newer EV' are more efficient than my 6 year old Tesla. I sure can't go that far for $8 in a comparable ICE vehicle like a BMW M5.