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Congrats!! Saw motor spinning on YouTube 5 minutes ago, great progress!! Got the motor housing design done and received quotation for cutting it all in 10mm SS 316 A4 and came to £500 (around 850 Canadian Dollar). The way this is going it would have been cheaper to buy something of the shelf but...

Yeah - getting there step by step. Got a couple of question marks around design that I need to finalize and once done I will cut. Will keep posting here as I move forward:)

With parts broken out it probably makes more sense:

Slowly getting there with motor housing design - realise that your motor room measurements will be different so no use for you in it's current state but might give you some ideas. Came to the sad conclusion that the motor shafts are not long enough to cater for two timing belt pulleys (or at...

Hi Yabert, great to meet you!! Tell us more about your project as interesting stuff!! I will definitely post more imagery etc. as soon as I get a breather:) I will at some point do some YouTube stuff but as it it stands my Laptop that I edit on is running like a three legged dog so need to sort...

Seen a few episode and all great stuff!! Dipping in and out as and when I get a breather which is rear these days. Will definitely keep an eye on future episodes related to the topic. With my boat build running in parallel the cost of the prop is way out of my budget so will have to go on the...

Happy New 2024! - Big thank you for pointing me in the right direction, amazing looking prop, but as you say it loos expensive. Against the peak efficiency talked about (48V | 4902.92 W (RPM: 4183) you should be pretty much spot on with your reduction. Looks like I should have done my math...

Hib Digimer, hope Christmas have been good and a Happy 2024 in advance!! Meant to ask you what propeller you went for, not had a chance to research this part so thought your choice was a good starting point:) - I have just ordered the pulleys for the motors and went for a Ratio: 1 : 1.3...

Wow - that is such a useful tool, big thank you as really did not know where to start on tat one:) (y)

Forgot t mention, cutting these in: Stainless A4 316 (thickness 10mm).(y)

Hope project is Hope building/project is going well. Finally received the first motor: [HPM10KL , 10KW BLDC Motor] , Liquid cooling , 48V and controller: [EZ-B481000 , EZKkontrol PMSM Controller with wiring harness , 48V1000A]. I have started to design the dual-motor housing. I am sure you have...

Jezz - 1400 km, that is a trip and a half. Is the main reason for changing the shaft/prop the dimensions or condition of them? I have seen props really old but in great nick (if made of copper).

Checked their page out and must agree, jut by looking at images you get a more 'solid' feel in relation to both housing and ports when looking at the Kelly in comparison: Fingers crossed that both units will be fit for purpose:)

Wow - not sure what is preferred, designing from scratch or modifying existing setup like you do. I guess you get allot for free when working with existing parts and maybe sometimes limitations, in a weird way, makes it easier to make decisions in how to move forward. I envy you in the sense...

Allot of good advise in this one, will definitely come back to it and work out my own little repair tool/material kit when I actually come to sail the boat, ha ha:)

May the fun begin - Order placed for motor number one (Golden Motors). Motor, Controller, and some components for liquid cooling (not sure if they are the best but were affordable enough to take a chance).

Hi Skypower - Very good points, thank you mentioning this as something I also have had on my mind. I have seen processional 'Toothed belts' solutions that operate without an active belt tension functionality. I guess that if the pulley and teeth have a good match then hopefully just something...

Just sharing my work around this as something I am doing might be of use or just spark ideas:) My boat (although not complete yet) is designed for a combustion engine where the shaft goes directly to the gearbox. To save the gear-box/engine on accidental impact there is a plate that cater for an...

Thank you - Happy to hear ATV worked as planned:) I have settled on 48V, as you say finding controller and other components for a 96V system would be tricky and costly (especially as I already have started of with a 48V design):p

Hmmm.... been recommended the EZ-B481000 (EZKkontrol) from Golden Motor, is 'Kelly' a brand/model and if so what was your reasoning behind picking that one. Worried now that I said yes to something which maybe was not the best controller.:unsure:

Not settled on Victon yet, but my mind is set on 48v anyways so at least have that cemented. Ordering a motor, controller and cooling kit from GM end of this month - Should give what I need to push forward in this area for now. Read the below on another forum, suspect you probably already...

Motor on order, that is awesome! Congratulations - I guess safer to order one unit, run tests and confirm theory before adding another one to the mix? All three images are from the same setup, just different perspectives - thought I add them all to give you best overview possible. I went back to...

Not a bad idea, Lynch has a similar setup called 'Swordfish Twin Drive'. As the lynch motors are air-cooled and not brush-less I have decided against it BUT the concept could be used with 2 Golden Motors if there is a Vector or Sevcon motor controller that could handle a dual setup (emailed...

Just like yourself I am building for live aboard and crossings hence wanting to get this bit right. I tend to always 'over-design' everything (structural) to make sure that I can feel safe - as you say, guess I need to apply the same for the motor. problem so far is not knowing where 10 kw motor...

Hi Digimer, I agree with your estimations but what throws me a bit is The Neds configuration as his boat is not far from mine in foot/displacement and he seems to be able to get to 4-5 knots fairly easy without pushing is 10Kw motor. Had hoped to be more confident by now in relation to the...

Good ideas and some good components tips, thank you:) - As I currently do not have a thru-hull, and agree that any holes in a hull comes with a risk I probably lean more towards a closed system. Two of the heat sinks would be pretty much spot on as far as surface goes for the motor controller...

1kw:3hp, interesting as not seen that direct conversion before. That means that against a single 10kw motor I would be a quarter under my original recomended output from the Yanmar combustion engine which is 39hp. Hmmmm, definitely food for thought.... Both currents and wind can go wild in the...

Hi JJJJ - You are 100% right in all your observation and appreciate the feedback. My main battery bank will most likely be a Seplos plug-and-play solution with Li-Ion Phosphate as you say (or similar) for that very reason. It is a good 24 months before I will launch my boat so a bit early to buy...

I like your idea and very much doable even for a DIY person. Am I understanding it correctly that you would feed it cold raw water and pump it back in to lake/sea once it has passed through the heat sink,absorbed the heat and done it's job. Or are you thinking a closed circuit? I guess the first...

Ha Ha Ha :ROFLMAO:

Hi - I am currently putting together a 14S 40P 200A (560 x 18650) 46V and are battling with similar questions so will keep an eye on your thread. My objectives are: 1. Easy to diagnose replace dead cells without having to disable the whole cell pack. 2. Mainly Built in robust none flammable...

Fantastic!! Cat's are such good company, we are of course only there humble servants (we all know that) but still the best!! Alex looks well cool, amazing how they always manage to jump up on the stool you are about to sit down on only seconds before you intend to use it (as if they know in...

So cool that you are living close, you have to meet up for sure!! I believe The Neds started out with gear ratio and ended up with direct drive and seems like he is happier with that configuration. I guess all down to the motor/torque/prop etc. (that is what kills me the large volumes of...

I wish I was a diligent as you guys - Always passed on insurance whenever legally not required to have one and up to date never needed one. Saying that, one of these days will be the first and it will be a costly one for sure:/ Thin positive, ha ha:)

Ha Ha - I see a clear link between Cats and crazy boat projects..... I have two cats myself and convinced that I 'speak' cat (from the outside I probably just look a crazy cat-man):) If I understand it correctly the Digital Mermaid also gets allot of help in her build by her cat/s. Before I...