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Showing results 1 to 25 of 98
Search took 0.00 seconds. Search: Posts Made By: yvest
Forum: Electric Propulsion (EP) 05-04-2021, 04:35
Replies: 780
Views: 104,315
Posted By yvest
Re: Jimmy Cornell goes Electric, with a Cat

Some updates from Cornell, not very clear ... :
https://cornellsailing.com/fr/2021/04/what-next-update-on-aventura-zero-plans/
Forum: Emergency, Disaster and Distress 05-01-2021, 05:56
Replies: 30
Views: 12,454
Posted By yvest
Re: TS5 Hallucine capsizes off Spain, hit UFO

The boat got washed on shore, pics in below artcile :...
Forum: Multihull Sailboats 22-11-2020, 02:48
Replies: 247
Views: 42,278
Posted By yvest
Re: 15M Catamaran Capsize off Portugal

Not any factual news on this one since the first articles ?
Forum: Multihull Sailboats 09-10-2020, 02:10
Replies: 20
Views: 3,818
Posted By yvest
Re: New catamaran brand to be announced in September

Shouldn't it be "Ocean Riding Catamaran" ?
Forum: Multihull Sailboats 16-08-2020, 01:40
Replies: 20
Views: 3,818
Posted By yvest
Re: New catamaran brand to be announced in September

Maybe Grand soleil ? Dufour ?
(in fact Dufour is owned by Fountaine Pajot now apparently, and was previously owned by Grand Soleil, but could be a new performance brand by FP.
Forum: Multihull Sailboats 15-08-2020, 01:44
Replies: 20
Views: 3,818
Posted By yvest
New catamaran brand to be announced in September

https://iiscn.files.wordpress.com/2020/08/capture-decc81cran-2020-08-14-acc80-11.17.32.png

...
Forum: Multihull Sailboats 04-08-2020, 06:42
Replies: 2,165
Views: 305,926
Posted By yvest
Re: Oceanvolt Hybrid Motor

Ok, can understand ..., any target date for the launch ?
Hope we will get feed back soon after ! :)
Forum: Multihull Sailboats 04-08-2020, 04:06
Replies: 2,165
Views: 305,926
Posted By yvest
Re: Oceanvolt Hybrid Motor

And you have installed one in one hull and a diesel in the other one right ?

Are you satisfied by the cooling system ? No heating issue ?

I read in the install manual, that the ACX 20 always...
Forum: Multihull Sailboats 03-08-2020, 11:09
Replies: 2,165
Views: 305,926
Posted By yvest
Re: Oceanvolt Hybrid Motor

BigBeakie, thanks a lot for the info, I didn't realize the controller is monitoring the prop permanently in regen mode and can "add power" at any time in this mode.
(also explains why Conrad Colman...
Forum: Multihull Sailboats 02-08-2020, 10:10
Replies: 2,165
Views: 305,926
Posted By yvest
Re: Oceanvolt Hybrid Motor

Sure, typed too quickly, however around 10 square meters of PV on a sailboat is still a tiny source rigth ? ;)
Forum: Multihull Sailboats 02-08-2020, 06:33
Replies: 2,165
Views: 305,926
Posted By yvest
Re: Oceanvolt Hybrid Motor

Says the guy that only uses "adjectives" when refering to values, and consider a 500kW power source on a sailboat as "tiny".

Quite funny :)
Forum: Multihull Sailboats 02-08-2020, 01:15
Replies: 2,165
Views: 305,926
Posted By yvest
Re: Oceanvolt Hybrid Motor

Thanks for the synthesis and links, when you say 1.5kW for OV, does this refer to the Servoprop or the "standard" SD15 saildrive ?

Note : it still baffles me quite a bit that regen works with...
Forum: Multihull Sailboats 01-08-2020, 14:28
Replies: 2,165
Views: 305,926
Posted By yvest
Re: Oceanvolt Hybrid Motor

https://www.multihulls-world.com/magazines/edito-multihulls-world-173
Forum: Multihull Sailboats 31-07-2020, 23:23
Replies: 2,165
Views: 305,926
Posted By yvest
Re: Oceanvolt Hybrid Motor

Would not be suprised that La Vagabond ends up with anohter Outremer as Jimmy Cornell is getting a fully electric one based on a 4x (to do the Magellan route), and Outremer is planning to have it on...
Forum: Multihull Sailboats 30-07-2020, 14:02
Replies: 2,165
Views: 305,926
Posted By yvest
Re: Oceanvolt Hybrid Motor

@transmitterdan 2kW solar array is 20 100W panels, if you prefer (numbers do not seem to be your friends ;) )
Forum: Multihull Sailboats 30-07-2020, 12:40
Replies: 2,165
Views: 305,926
Posted By yvest
Re: Oceanvolt Hybrid Motor

500W is way above tiny, as far as I know, considering that PV gives you around 4 times the power installed per day in Wh, and that these 500 are constant on a passage, these 500w are equivalent to...
Forum: Multihull Sailboats 30-07-2020, 06:42
Replies: 2,165
Views: 305,926
Posted By yvest
Re: Oceanvolt Hybrid Motor

1) The regen power is on the order of 500 or 1kw, so around 1hp, again I don't think this point is major at all, and it can be stopped

2) I think OceanVolt, Torqeedo and others show that it can...
Forum: Multihull Sailboats 28-07-2020, 23:37
Replies: 2,165
Views: 305,926
Posted By yvest
Re: Oceanvolt Hybrid Motor

1) Don't think regen would put more stress on the boat and rig than a non folding propeller, which is "some", but ...

2) Not necessarily, an electric motor is inherently also a generator

3) key...
Forum: Electrical: Batteries, Generators & Solar 18-07-2020, 05:06
Replies: 74
Views: 10,333
Posted By yvest
Re: DC genset to power boat.

No, the FP is also DC :
https://www.fischerpanda.de/Generator-Datasheet-AGT_8000-24V_PMS-24_DC_-_400_Hz_66.htm

And I understand that the FP has a shared water cooled system for the engine and the...
Forum: Electrical: Batteries, Generators & Solar 18-07-2020, 03:39
Replies: 74
Views: 10,333
Posted By yvest
Re: DC genset to power boat.

About DC generators, how come Polar Power DC generators are so lighter than Fischer Panda ones ?

For instance :
Fischer Panda AGT-DC 8000 : 6.4 kW : 160 kg
Polar Power 8080Y-2TNV70 6 kW : 89 kg...
Forum: Electrical: Batteries, Generators & Solar 11-07-2020, 11:31
Replies: 18
Views: 5,270
Posted By yvest
Re: CAPI2 Distributed Power System?

Thanks for the info, and is it right to say that the "winner" in distributed power systems is czone ?
Forum: Electrical: Batteries, Generators & Solar 11-07-2020, 07:01
Replies: 18
Views: 5,270
Posted By yvest
Re: CAPI2 Distributed Power System?

Hello, does the capi2 system still exist ? Blank page at capi2.com
Forum: Electric Propulsion (EP) 02-07-2020, 10:39
Replies: 503
Views: 86,479
Posted By yvest
Re: Replace Diesel with electric engine

Indeed a problem with these curves ... :)
The pink curve rise way to quickly
(could not find the original source)

But the basic principle still stands I think.

For instance from :...
Forum: Electric Propulsion (EP) 02-07-2020, 08:19
Replies: 503
Views: 86,479
Posted By yvest
Re: Replace Diesel with electric engine

The instant power for the electric engine can be very useful for harbour maneuvers.

As to prop shaft RPM vs motor RPM, the point is that the power curves of the engines cross at around 2700 RPM :...
Forum: Electric Propulsion (EP) 01-07-2020, 10:03
Replies: 503
Views: 86,479
Posted By yvest
Re: Replace Diesel with electric engine

So it supports the fact that indeed, when replacing a diesel by an electric motor, the rated electric motor power should be less than the diesel one.
Showing results 1 to 25 of 98
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