Re: How do I power my little launch?
Hi there Larry,
Ev-er Roland from The Netherlands here. I have bought a Duffy 18 just a month ago. It has the original 36V AGM batteries configuration(6 x 6V235ah).
I wonder how and which Lifepo4
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Roland Kruijer
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#30688
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Re: How do I power my little launch?
Hi, Dean
Considering the continous output of 5HP, the Thunderstruck 5KW may be the best solution for you, because you don't want to cool the motor.
The aspect that it comes as a whole package is
By
Carsten
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#30687
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Re: How do I power my little launch?
Check out Lion Energy lithium batteries.?Less money than battleborn batteries.?On sale at Costco right now till September 3rd.?Sent from my Verizon, Samsung Galaxy smartphone
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rschwirz <rschwirz@...>
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#30686
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Re: How do I power my little launch?
Hey Dean, these guides to motors on Plugboats might be helpful: https://plugboats.com/electric-outboards-less-than-5-kw/
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jeff@...
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#30685
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Re: How do I power my little launch?
Dean,
I push a 3000 pound 26 foot boat at about 3.5 mph with 1 kw using two 0.7hp
50 amp DC Motors.
I push a 350 pound (including my lovely ars) 17' canoe at about 5 mph with
0.4kw using a 0.7 hp
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Ken Cooke
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#30684
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Re: How do I power my little launch?
We like to think of boats as either displacement (goes *through* the water) or planing (gets up *on* the water), but it is actually a continuum of displacement<->semi-planing<->planing.
With a true
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Amgine <w@...>
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#30683
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Re: How do I power my little launch?
You could look at 1800w to 3600w DIY electric scooter/motorcycle kits that are on Amazon. Most of what you need will be in those.
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Ryan Sweet
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#30682
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Re: How do I power my little launch?
That's a really nice looking little launch.
The 5kw kit is definitely more than you need, but it doesn't really hurt much to have extra power that you don't use. I do however think that 3kw would be
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Bob Caulk
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#30681
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Re: How do I power my little launch?
Thanks Ryan-
The fantail wine-glass hull is complete, complete with propellor and shaft log. My intention was to be like a baby of the original.
Dean
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Dean is retired
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#30680
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Re: How do I power my little launch?
Hi Carsten-
My calculated speed is 5.1-5.5 mph. My boat, fully equipped, without passengers, will be under 700 pounds. My thinking is that pushing a light boat with a little more power, if desired,
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Dean is retired
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#30679
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Re: How do I power my little launch?
Are you set on inboard? For the size of the boat you may want to explore Pure Watercraft¡¯s outboard:
https://www.purewatercraft.com/product/pure-outboard/
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Ryan Sweet
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#30678
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Re: How do I power my little launch?
You will like the thunderstruck kit.? I have the 10 kw. They are very helpful with directions and advice.? I first installed 4 agm 48 v 220 ah? ?then upgraded to diy lifepo4? 48v 360ah? Pushes
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L Schmitz
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#30677
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Re: How do I power my little launch?
Hi, Dean
5 KiloWatt is overkill, unless the hull is designed for planing :-)What is the calculated hull speed of your design ?
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Carsten
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#30676
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Re: What spares do you keep on hand?
Hydraulic or other crimper and a variety of appropriate size lugs.
Sent: Monday, August 24, 2020 11:53 PM
To: [email protected]
Subject: Re: [electricboats] What spares do you keep on
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Myles Twete
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#30675
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Re: How do I power my little launch?
You sir, are a master craftsman.? That looks gorgeous.? Personally I think you have chosen exactly the right motor.? Batteries are the tough choice.? Many, many posts in the archives discussing
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Jeff LaCoursiere
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#30674
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How do I power my little launch?
Hi Everybody- I'm new to this site and to electric boating, but no stranger to building things. My current project is a 14' launch, patterned after an early Rushton 32' steam launch, scaled down. I
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Dean is retired
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#30673
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Re: One more EV on the water today!
Hi Ryan, I mounted my Curtis throttle where the old throttle linkage was
housed after the throttle and gear levers were removed ie. The throttle
itself is housed inside the boat, to shield it from the
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Otis Veliotis
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#30672
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Re: What spares do you keep on hand?
Hi, Ryan
Could you tell us about your boat type and size, and the whole setup of the engine system, please ?I think we can learn a lot from you :-)
Best regards,Carsten
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Carsten
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#30671
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Re: What spares do you keep on hand?
I¡¯ll add to the list:
- extra voltmeter/ampmeter
- multimeter
- electrical tape
- heat shrink
- ring terminals
- zip ties
- spare wiring long enough to reach each end of the boat
Printed Manuals
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Ryan Sweet
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#30670
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Re: More basic question about sevcon gen4
Following up to answer this question, the Sevcon Gen4 fault codes are temporal - once the fault condition is no longer true it goes back to normal.
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Ryan Sweet
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#30669
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