开云体育

ctrl + shift + ? for shortcuts
© 2025 开云体育
Date
Re: motor system
I am asking $1,500 for the system. There are around 150 hrs. on the system. The batteries have two seasons on them. The vessel was a wooden 18 ft catboat ( around 3000lbs of displacement with the
By rus43... · #106 ·
Re: Maiden Voyage
Hi Larry,<br> I looked up yor motor in my Advanced DC motor catalog and found that it is about 75% effecient. That will account for some of the minor differences in my model and your actual
By donaldbaer... · #105 ·
Hello from the new guy
Hi Folks,<br>My names Joe Peek, I've lurked long enough to read all the posts and find out whats "up" with the lister here..and I've enjoyed all of the posts and peoples endevors. For myself, I own a
By ecbjoe... · #104 ·
Re: Maiden Voyage
The system is 36V, using an Advanced A89-4001 motor and a 245A battery bank. I've had the boat out a couple more times now, but with guests--who get in the way of accurate measurements! But the
By cedarcroft... · #103 ·
Re: Maiden Voyage
Congradulations on you maiden voyage. sounds liek youve got what you were looking for. I assume you are using a 48 volt system. I plugged you prop data into the modeling spread sheet that I am
By donaldbaer... · #102 ·
Re: Repower of my sailboat
To figure out what electric HP you need first start with the motor that WAS in the vessel. Usually the manufacturers are pretty good a determining the appropriate fossil fuel HP. Then divide by 3 for
By ewhel... · #101 ·
Re: Repower of my sailboat
You could do a "Hull drag" test with the help of a friend and a second boat. You will need a "good" knotmeter(0~10 Kt ? ) and a calibrated scale (0~100lbs. maybe 150 lbs the kind with hooks on both
By ecbjoe... · #100 ·
Maiden Voyage
I launched my 23' fantail at the end of August, subsequently worked on installing the propulsion system components and, a few days ago, managed to take her out for her maiden voyage. Since then I've
By cedarcroft... · #99 ·
Re: motor system
Oconail,<br><br>How much are you asking for the setup? How many hours on the system? How old are the batteries? How big was the catboat and how well did it perform?<br><br>Frank
By frank_j_viola... · #98 ·
competition for the Ray outboard
I found this while searching out e boat sites. Perhaps this will be competition for the e- outboards of Ray. Just an FYI for the group.<br><a href=http://www.ecopower.com/index.htm
By katyatroika... · #97 ·
Repower of my sailboat
Hi group, I am currently planning to repower my 35' trimaran to electric and need to find someone with direct experience sizing motors and other important considerations for such a project. Anyone
By katyatroika... · #96 ·
motor system
I have a complete inboard electric motor system to sell, It was used to push my wooden catboat. It includes a 4hp Advanced DC motor,Pulse width modultor, on-off&foward-reverse contactors, potbox,
By oconaill... · #95 ·
Re: Electric outboard motor
This is for ernie_M_2000<br><br> I have delevoped two spreed sheet in Excel which provide some help in motor sizing for selected propelers. Although they only provide best case scenario they are
By donaldbaer... · #94 ·
electric catboat
I just mounted a Minn Kota EM44 on the skeg of my 17 foot Cape Cod Cat. I cut away a section of the keel to recess the motor and permanently fiberglassed it in. The wiring is in a tube sealed to the
By slatton... · #93 ·
Re: 38' sailboat....
AMEN to that. This is especialy true when one considers that most boats spend most of their time going through the water at speed less than 10 knots. the speed limit for marinas, most harbors and many
By donaldbaer... · #92 ·
Re: 38' sailboat....
Amen Kirsti....and read "Polluting for Pleasure" by Andre Mele..It will strenghten your resolve. The Waste and Pollution associated with pleasure boating is appauling. And the folks associated with
By ewhel... · #91 ·
Re: 38' sailboat....
There are many problems with the development of effecient electric propulsion system for non military applications may of which can be blamed on a lack of available funds for this purpose.
By donaldbaer... · #90 ·
Re: 38' sailboat....
There are many problems with the development of effecient electric propulsion system for non military applications may of which can be blamed on a lack of available funds for this purpose.
By donaldbaer... · #89 ·
Re: 38' sailboat....
Being the owner of the 38-footer,(and totally ignorant about electric propulsion!) I'm very happy to see qualified discussion about the subject.<br>1) As mentioned by EWHEL, there have been boats
By kirsti_drewsen... · #88 ·
Re: 38' sailboat....
I agree that a cost effective system can be developed for marine propulsion using off the shelf technologies. I do not, however, agree that the disign life will be acieved unless the motor has been
By ewhel... · #87 ·