Vendor Alert
Formosa and their sister ships (CT and SeaWolf). The boats normally came with Perkins diesels and are known for being good cruising boats with modest speed and good accommodations.
This is our computer model for the Formosa 47 boat:
QuietTorque 30.0 72v Speed & Power
Kts Watts
2.5 960
3.7 1920
4.4 3840
5.0 5760
5.7 7680
6.3 10560
7.5 19200
8.8 29760
Hull speed 8.43As a point of information, all the boats were converted with an Electric Yacht QuietTorque 20.0 - 48v - systems. The 41ft boats can make hull speed and the 47ft can make 90% of hull speed and has a 10kW dc genset. A 15kW motor would satisfy most of the cruising needs of a boat at that size but it would be seriously taxed if called upon to push off a lee shore.
Mike
Electric Yachts of Southern California/Pacific
---In electricboats@yahoogroups.com, <jt.yahoo@...> wrote :
Hi everybody,
A friend just sent me this craigslist ad for a 1975 Formosa cutter for
sale.
There is currently no engine but a lot of work has been done to allow
for extended cruising.
Looks like another example of life getting in the way of someone's plans
and forcing a sale.
Their ask is $24,000 due to there not being a motor.
http://seattle.craigslist.org/tac/boa/5418993563.html
At 28,000lbs, the boat would need at least a good 15kw+ drive package.
My opinion is that such boats are too big for electric propulsion only,
so I would opt for a smaller bank of about 15kwh (salvaged EV battery
packs would be a good bet here) as well as a 20kw diesel generator.
No matter you do this, you'd be looking at spending at least again as
much as the boat purchase price on the electric propulsion system,
battery and generator.
Still, after all things considered, if your're in the market for a
well-equipped, long-range 47' cruiser, this is close to as good as
you're going to get :-)
As a useful datapoint for repowering larger boats out there, how about
some of the vendors prepare quotes on e-powering such a boat?
Electroprop, ElectricYacht, Annapolis Hybrid Marine? Others? Would be
neat to compare.
As an example, I downloaded the price sheet from Electroprop's website.
Line 170 details the Voyager 72 Hybrid with 14KW generator, which is a
near perfect match to this boat. The system cost is $40,000. But the
equipment list is utterly complete. It goes way beyond a basic parts
list of motor, controller, throttle, charger, batteries, generator.
It's a lot of money, but I can see where the money goes.
I only mentioned Electroprop because their price sheet was readily
available. Also, I am a satisfied Electroprop customer.
Cheers,
/Jason
--
Jason Taylor
--
S/V Fugu
1978 Beneteau First 30
Electroprop PM-20
A friend just sent me this craigslist ad for a 1975 Formosa cutter for
sale.
There is currently no engine but a lot of work has been done to allow
for extended cruising.
Looks like another example of life getting in the way of someone's plans
and forcing a sale.
Their ask is $24,000 due to there not being a motor.
http://seattle.craigslist.org/tac/boa/5418993563.html
At 28,000lbs, the boat would need at least a good 15kw+ drive package.
My opinion is that such boats are too big for electric propulsion only,
so I would opt for a smaller bank of about 15kwh (salvaged EV battery
packs would be a good bet here) as well as a 20kw diesel generator.
No matter you do this, you'd be looking at spending at least again as
much as the boat purchase price on the electric propulsion system,
battery and generator.
Still, after all things considered, if your're in the market for a
well-equipped, long-range 47' cruiser, this is close to as good as
you're going to get :-)
As a useful datapoint for repowering larger boats out there, how about
some of the vendors prepare quotes on e-powering such a boat?
Electroprop, ElectricYacht, Annapolis Hybrid Marine? Others? Would be
neat to compare.
As an example, I downloaded the price sheet from Electroprop's website.
Line 170 details the Voyager 72 Hybrid with 14KW generator, which is a
near perfect match to this boat. The system cost is $40,000. But the
equipment list is utterly complete. It goes way beyond a basic parts
list of motor, controller, throttle, charger, batteries, generator.
It's a lot of money, but I can see where the money goes.
I only mentioned Electroprop because their price sheet was readily
available. Also, I am a satisfied Electroprop customer.
Cheers,
/Jason
--
Jason Taylor
--
S/V Fugu
1978 Beneteau First 30
Electroprop PM-20
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Posted by: mike@electricyachtssocal.com
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