Ribtecer
Well-known member
Very interesting video.
Important to watch until the end.
Electric Contessa 32
- Thread starter Ribtecer
- Start date
Very interesting video.
Important to watch until the end.
doug748
Well-known member
It's very well done. About 15 years ago Jeremy Rogers produced a boat with a hybrid engine:
Eco-Contessa 32 becomes Round The Island first entry - Yachting Monthly
I think the yard have also fitted electric drives to a number of other boats.
.
Eco-Contessa 32 becomes Round The Island first entry - Yachting Monthly
I think the yard have also fitted electric drives to a number of other boats.
.
steveeasy
Well-known member
Not sold on electric. Range is a big issue and the thought that when you really need an engine with some punch, you could run run out of battery power. Also install costs.
Very well done though. Time will tell I suspect and how many convert over to electric.
Steveeasy
Very well done though. Time will tell I suspect and how many convert over to electric.
Steveeasy
Chiara’s slave
Well-known member
What a marvellous idea. Put an electric drive into a boat known to be sluggish in light winds, and heavy to push along under engine. At least half a ton of batteries will make little difference to progress.
Buck Turgidson
Well-known member
Usage case is key. If you are a jester type and only intend to use the power to enter and leave port then it's a nice solution. If you are going to need power to overcome time constraints then not so much.
steveeasy
Well-known member
Was rather thinking of the time I was getting blown on to very rocky lee shore just outside the entrance to Fowey. Spent an hour battling very strong rolling waves trying to get away from the rocks and in to shelter. The engine had plenty of punch but I had the VHF close by all that time.
The only thing that saved my bacon was the engine that day.
Steveeasy
The only thing that saved my bacon was the engine that day.
Steveeasy
Ribtecer
Well-known member
It's the having to send the motor back to California for reprogramming that struck me as mad as a mad thing.
This whole sector is just getting so complicated and stupid it defeats the objectives.
Imagine the carbon footprint of that motor, and it was bought and fitted to help save the planet!!
Absolutely bonkers.
This whole sector is just getting so complicated and stupid it defeats the objectives.
Imagine the carbon footprint of that motor, and it was bought and fitted to help save the planet!!
Absolutely bonkers.
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Chiara’s slave
Well-known member
That aspect does seem nuts. Why software cannot be installed at worst case by a cable from a laptop I
don’t understand
Buck Turgidson
Well-known member
The moment anyone introduces "carbon footprint" or "save the planet" to a hobby I switch off. If you really believe in that cause your hobby should be gardening.
There are other excuses for switching to e propulsion which are less hypocritical and in some cases quite compelling.
Sea Change
Well-known member
If traveling by air, the return trip from the UK to California would produce about 100kg of CO2e. Considerably less if other forms of transport were used. I'm assuming the motor weighs about 4kg, similar to this one: 15 KW ELECTRIC MOTOR - MGM COMPRO
To put that in context, that's about the same as burning 40l of diesel.
Chiara’s slave
Well-known member
Which is about 97kg more than having a guy turn up in his Tesla and plug in his laptop. Not to mention the time factor.
Sea Change
Well-known member
I'm not defending the decision to ship the motor back to California, just answering the question. It's always helpful to have numbers.
doug748
Well-known member
He said little of nothing about saving the planet but was fed up with the smell of a diesel engine and said the compromise and performance suited him, which I think is fair enough.
The battery weight is greatly offset by not having an engine or fuel onboard. The fuel weight saving was not mentioned so I thought I would check it out. T'interweb came up with this AI generated gem:
"12 gallons of diesel weighs approximately 875–2,100 pounds, depending on the size of the fuel tank."
So much for Artificial Intelligence taking over the planet.
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The battery weight is greatly offset by not having an engine or fuel onboard. The fuel weight saving was not mentioned so I thought I would check it out. T'interweb came up with this AI generated gem:
"12 gallons of diesel weighs approximately 875–2,100 pounds, depending on the size of the fuel tank."
So much for Artificial Intelligence taking over the planet.
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Sticky Fingers
Well-known member
Them’s big gallons. Or small pounds.
Chiara’s slave
Well-known member
ChatGPT can be amazing, but yeah, it's not quite ready to take over the planet. On the other hand, how much worse could it be?
Ribtecer
Well-known member
But it shouldn't be that complex in the beginning, make the thing repairable wherever it may end up around the globe.
Simples!!!
dunedin
Well-known member
Wow 15 year old news !
Things have moved on a bit since then.
Things have moved on a bit since then.
Ribtecer
Well-known member
Nurse - he's on the wrong thread, again!!!
Sea Change
Well-known member
Well you asked the question, I just answered it. Wasn't passing any comment, although I did expect the carbon footprint to be higher.
As you say it does seem a bit silly to have to ship the whole motor half way round the world to do a software update.
Ribtecer
Well-known member
What question did I ask?
