Electricity is dangerous 

The FOREO BEAR makes a great gift! Get 20% off by using the code SAMPSON20 at foreo.se/rzps - and let us know if you were impressed by Clifton and Pat’s transformation into younger men?!
 (also we hope you don’t mind us having a little fun with these ads, making them really does give us some nice occasional distraction from boatwork)

This is going to be the coolest sailboat of all time. Most youtube channels are focused on quantity of content, changing the subject matter from video to video, staying under 15 minutes, annoying clickbaity titles and people making dumb faces in the thumbnail, etc. People have short attention spans, I guess. But Leo, somehow you've cracked the code on going deep on the subject matter, doing your work to a very high quality standard (and giving the crew the necessary time to do so), putting out longish videos that are also to a very high standard, and keeping the audience engaged and entertained. So impressive. This is my favorite youtube channel by far- I've watched every video for many years now. I can't wait to see the project done, but I'll also be sad to no longer have these awesome videos every two weeks.

Leo should publish a book of his illustrations over the years on this project. I also found myself laughing out loud several times during this video. So informative and yet so entertaining.

Leo's (potentially) burgeoning career as a top-notch illustrator is only furthered by this episode! The staggering level of quality and workmanship the Sampson crew routinely delivers obviously extends to the electrical and plumbing systems! This isn't your grandfather's pilot cutter! Tally Ho is a 21st century, cutting edge vessel from stem to stern!

This is the only channel where I am happy to see sponsor ads. It means leo and the team can continue their amazing work and it all goes to a good constructive wholesome place.

I think Albert Stranges mind would be blown if he knew all these technological systems would one day be in one of his boat designs 113years later. Impressive team

Like any great sailor, he immerses himself into every detail of his vessel, he has knowledge of all of them, so that he can quickly assess issues, and track down their causes. He is involved in the design and layout process, and lets the experts deal with the higher technical details. He is an amazing young leader, and he has been so from the get go. Love watching their progress, and growth as humans and craftspeople. As a fellow lowly house carpenter, I am always infinitely impressed!!

The horrific ad sketches are now an integral part of this channel's value.

Joe really seems to be the sort of person you call when you want everything done right. The knowledge and attention he puts into the systems is very reassuring.

As an engineer, I love when you go into the technical details, but I do understand that others might not be so enthused.

The wiring, so far, is SUPER ELEGANT and well laid out. My compliments to whoever is installing all wiring. For sailboats, this is crucial so you can quickly follow things when you have trouble. Nicely done!

Augmenting Leo's already impressive list of skills is his ability to illustrate and lucidly explain the various systems onboard his vessel.

Leo, don’t worry about getting too technical. I simply love it when it goes all techy!!

The design/engineering eps where Leo puts everything down in pencil sketches are easily my favs from the whole project.

So much redundancy, so much neatness, so much "ship shape" in everything on and in Tally Ho, she really is and will be a thing of beauty! Well done guys, can't wait to see the rest of the fit out. Cheers👍

Yours is the only channel I watch the in-video adds, truly remarkable talent. Any advertiser is lucky to have a spot with your team

As a commercial Electrician, I had to make some tight bends in heavy cables (200 to 500 MCM). I made up a couple of thick wall aluminum pipes, one inch dia and 3/4 inch, threaded on one end and with a coupling and a 'smooth bore' bushing. If you can't find a smooth bore, you can machine the threads out of a regular one. If you cut the cable to length before bending, you will have to re-trim the now staggered inner wires, but pre-cutting makes for easier access to the bend site. Since I had access to several lathes, I knurled the end of each pipe to give a better grip, since dielectric grease seems to find it's way onto every tool. They made nice, neat 90 degree bends in the stiffest of cables...👍

The way Leo breaks down the electrical system was great. Coming from an engineer who always has to explain technical topics to laymen/developers/architects.

There's an unlimited number of sailing channels which gloss over some or all of the detail, so it's a real bonus that one of the few which does routinely go there, goes there so lucidly and comprehensively (and comprehensibly). Kudos!

I like the redundancies built into the electric systems. At sea, what ever can go wrong will eventually go wrong and it's those multiple backup systems that will get you to a safe port. I especially like the dedicated engine cranking battery with the ability to employ the house battery. Many years ago I taught that type of setup and installed it in several sailboats myself.

I worry that the crew working on Arabella are not as experienced as I’d hope. They have wires hanging out while out on the water and their systems were mostly non-operational prior to the hastened launch date. Anyway, not the page to raise concerns, but Leo and team are doing everything top notch! THIS is the way to build a boat folks, here on Leo’s Boat World Channel. 😊

Most channels I skip the ads, but I like watching Leo and the crew put on a great performance.

The content and format on this channel just keeps improving like the boat, slowly, purposefully and with class. When they both are polished and complete the videos and the boat itself are gonna be purely amazing.

It's a simple thing, but seeing all the wires just long enough to get the job done and all the "blue boxes" aligned in parade ground fashion really warms my heart. I'm happy that you have a skilled professional doing this work. I once had a hot rod mechanic do similar work on a much smaller boat with results that would make nesting rats proud.

I’ve been saying that about hose clamps for years. I was a cooling system tech for many years and never saw a properly installed hose clamp fail. There’s just no need for double clamps if they’re installed correctly and inspected every year.

I will 100% continue to fully watch your sponsor sections if you keep doing them like this. Boat is coming along nicely, too!

Important systems entered or will enter the boat. It'd be wise to START writing "guides" to those while expert installers are around: how to procedures, troubleshooting lists, fast fixes, scheduled maintenance, emergency instructions, etc. Eventually, cover: pre-sail check list, inventory, engine guide, generator guide, electricity plan/guide, electronics plan/guide, hidraulics... also: "flood" action plan, "colision" action plan, "fire" action plan, "pan pan" action plan, " mayday" action plan, " abandon ship" drill, etc. Keep it brief, a column with relevant issue/part/problem, a second one sending you to a page in a manufacturer manual, instructions or procedures you wrote, plans, drawings, printed lists, check lists, or anything you have on board that may save you time (and more) when things go wrong.

Loved the longer and more technical aspect of this video. These systems have gotten more technical and certainly were not imagined when the boat was first built.

The quality of the build from day one is so impressive and all the systems are integrated so well that one might forget that this is a hand built vessel with the trusty and mostly sustainable trees of the world making up the majority of the infrastructure and then all the modern systems absorbed seamlessly into the build that on scale easily mimics all the technical asthetics of today's "super yachts". I would suggest that Tally Ho is far superior in craftsmanship and one can imagine the feel of her beating heart the first time she takes the wind. With Leo's vision and all the work from all the craftsman who have been involved through various stages of her revival, every episode reveals her coming back to life, one screw, piece of wood or another bung hole . Now I can turn my weather worn old face into the youthful glow to mimick patricks beautiful complexion, all due to today's episode. 😂😂😂

Hey Leo, if you are worried about fire in the electrical locker, there are products that are pressurized tubes containing fire suppression chemicals. You mount them above where fire may break out, and the heat of fire will melt the tube and extinguish the fire. The systems I've had experience with are made by blazecut. They have a stand alone tube only system, and a tube and cylinder system that has a larger capacity, but works on the same principal of automatic detection and dispersion. The tube and cylinder system has the advantage of being able to set off an alarm.

Living in land-locked Atlanta and not a boat builder, I have watched this series from the beginning and my anxiety level reaches its max whenever a through hole is drilled in the boat. I get the shear terror of getting it wrong so hats off to you all for being brave enough to drill those holes!

Great video as ever! This series has shown me a side of Americans i hadn't really seen before. Electricity certainly is dangerous. When i was a kid I used to solder together guitar effect pedals to try to make different noises. At the end of one soldering session in my excitement to try the circuit I pushed the live and neutral prongs in with my fingers. I woke up on the other side of my bedroom, my arms felt like they had been hit with a sledgehammer. When I went downstair mum said the electricity had tripped and did i know anything about why it had tripped. I told her I didn't.

The second on the companion deckhouse was the best on the best YT add I have seen so far. These are adds one can really watch. Everything else is just shut down, walk away or put on quiet.

The quality of this build is going to win trophies before it even hits water. It's like an opiate for those who care.

Absolutely my favorite sailing/marine channel. Always a great mix of impeccable talent & craftsmanship, technical expertise and slapstick comedy. Please keep 'em coming!

Your videos get better and better each time! I’ve been hooked for a couple years now. I literally start counting down the days to the next episode the moment the latest episode ends.

I really enjoy the technical stuff. I am a retired engineer as well, so how it works is as interesting as how it looks. However, as a woodworker, how it looks is also important ... and it looks amazing. Really great work all around! It's hard to wait two weeks for the next installment. As to the ads, I usually skip through them, but your acting team makes them worth sitting through, kind of like watching Superbowl halftime commercials.

Really appreciate the level of technical detail and the manner you guys handle the sponsorship. The humor works great.

It's nice to see the fun and family you guys have become.

Even the bloopers or the way you make the advertisement all the flow in the team. In my opinion despite whoever likes some content or other, I like the fact that whatever you mention about this project it's so interesting. Everything you guys make turns into gold! I ve been following you guys for long time and it's been amazing! Please continue and do as you feel!

The 12V of your car battery is safe because it's 12V, not because it's DC. Higher DC voltages can be dangerous, too, because when you first touch them, you see a 'step function' of voltage, which mimics AC to your body. AC was adopted for the electrical grid because we could transmit 3 phases on 3 wires (and not need a return wire), and because transformers could readily be used to step voltages up or down. Higher voltage for long distance/high capacity, lower for neighborhoods, and lower yet for end users. But modern electronics has made high voltage/high capacity DC transmission lines viable, too. The more you know, the more you realize how much you don't know. Good rules for electrical safety. 1) Assume a circuit is energized until you know it is not, and de-energize before working on it if possible, 2) Assume a circuit is a dangerous voltage until you know it is not, 3) keep one hand in your back pocket (electrical paths across your heart are worst-case scenarios).

This was one of the best explained boat systems videos which I have seen. You have a good team working on the boat, all bringing specialist skills. It must be a fun environment to work in.

Thanks for throwing the engineers in the crowd a bone once in a while!

Nice to see that even professionals can get anxious about peculiar stages of the build. Loved the jokes as always😂

Being an illustrator for explanatory videos myself I gotta say this is so well explained! :) Leos also got some great sketching skills there

The more details the better! I’m impressed at all the details in the designs and the ability to describe it all in layman’s language so we can understand it. Keep it up!

That electrical system looks amazing. The only thing that gives pause is the inverters right above the Diesel engine. I don't see it as an immediate uh-oh, but the thermal cycles that those inverters are going to face being so close to the engine would make me worry. Also, I look forward to the ads on this channel now. You guys look like you have so much fun with them.

ive been watching for quite a while and look forward to every new posting! these videos are gold! i have been rehabilitating from a stroke since march 4,2021 and have loved all the episodes! this one is quite good leo! you are very talented at execution of complex systems as well as explaining those complex systems! bravo an rock on! as my mobility improves i am committed to visiting you ! - rob weeks!

Never thought I'd be so interested in a conversation about hose clamps. "Embossed, not perforated. That's brilliant!"

Congrats on your choice for the electrical attention to detail. Craftsmanship is not only making the system work correctly, but to do so such that trouble shooting that eventual day down the road when something does go wrong, it'll be easy and systematic to diagnose. Also congrats for the amount of redundancy in cross connections of systems. Battery/Motor/Generator/Engine full circle duplication is giving you many advantages for success.

What a talent pool you have together. I hope you start making a list of spare parts that should be onboard as you travel. The more complexity the more chances of breakdown. Everything fails sooner or later. Great vid, Lee

That episode so enjoyable it only seemed to last 15 minutes, congratulations on all aspects, what an incredible team you have put together.

The only in-video ads I don't skip... hysterical!

Why do I now know so much about sailboat mechanical systems. Best show on RU-vid.

I loved the amount of detail! Every time you do get into the details, I'm reminded of how great an artist you are with your illustrations!

A friend of mine was converting a Scottish trawler to a sail boat. While they were in dry dock one weekend a friend of his came to help out and was killed. He was electrocuted, and that put a major downer on their project. Don't mess with the magic lightning guys.

Love the way your team cuts up and has a bit of fun. That work comes through as enjoyable, but it’s still work! Maybe an update off of that really cool “master flowchart” you showed a while back? It’s cool to see things turning from red to green!

This channel has some of the weirdest ads spots on RU-vid and I am absolutely here for it. Also cool boat.

Leo, for those of us far from the sea the notion of a wooden sailing boat is fairly romantic Videos such as this make real all of all the messy, real-world challenges that will exist for you at sea. I was never much of a fan of power systems during my studies (though I did prevent a fellow student from electrocuting himself!), but I admire the explanation of the system design. Bonus points for the great illustrations.

Excellent details. This shows you've thought through the LiFePo4 cut-out safety relay. If for some reason the lithium batteries have any kind of error, the BMS will cut the power to the system, your 12v house bank is a great fault-tolerant backup for essential loads for navigating and autopilot to get you home or to troubleshoot the problem. Beautiful! And to say you've got your Sh*t together would be an understatement. I like the manual pump to handle all of that too.

Love all of the content. Never too technical, and you explain it well.

I, for one, love it when Leo waxes techno… as a retired electrician I am just dumbfounded by the complexity of modern vessels. I do understand what he’s saying and am envious of such boat/ship. I would have killed to possess anything even remotely close to the Tally Ho!

Brilliant video Leo! The technical explanation was superb with just the right amount of lighthearted banter.👍👍👍

Love to see the systems come together and it was perfect for me as it is one area I know a bit about. In that vein I think it’s a mistake to put in the 12v ‘buffer’ battery into the 12v system. IMHO it is going to be the main trouble you have with the system as a whole and be the thing that takes down your 12v system instead of being a backup. As you have it installed it is probably going to be in float or over charged for all its life. In which case, over charged and over heated it is going to be venting and losing electrolyte and will have to be inspected very regularly for electrolyte levels. If you have put in a ‘low maintenance’ battery then it will have a very short life. The excellent Victron dc to dc converters are extremely reliable and cheap enough to carry a spare in the case of a failure. You can trust them far more than a lead acid battery, installed with very little ventilation and possibly over charged. May as well take it out now as I’m six or twelve months it will be gone anyway after repeated problems. Everything else electrical is really top notch and will be 100% reliable and beautifully installed, don’t spoil it with a ‘backup’ system that will just case problems.

HEY LEO, what a fantastic project. It is so amazing that communities around the world are pouring in their resources to save Tally Ho. Because of their generosity, Tally Ho has been provided with a project leader, a team of skilful shipwrights and some fantastic equipment to ensure she is restored in full, having being constructed using heritage techniques.

I really appreciate all the failsafes and redundancies that you've built in. Your sailing should be a wonderful experience knowing that you'll have all your problems generally taken care of. We'll done and we'll thought out.

THROWBACK - EP 11 8:45 - "It'd be really nice to cast bronze floors, that'd be the best of the best...but, ah...it'd be really expensive." Almost five years!

I loved it Leo, thanks so much!! The sponsored bit was really well done too, genuinely hilarious. I work with electrical and cooling systems at work and the work you guys are doing is absolutely beautiful, the access and the flexibility and the layout seems completely top-notch, I'm so impressed.

I normally fast forward thru the inserted ads, but always watch yours, they are awesome.

Without doubt, the only time I will watch integrated ads are when the Sampson crew does them! LOL You guys are like web advertising gold. It's amazing to watch how traditional - old school craftsmanship and wood working is being married up with current marine tech on Tally Ho. Super impressive and fascinating to watch. This is definitely a cool video for all of us techies, nerds, DIYers and gear heads. Bravo.

A common confusion is that while modern wooden ships use the Hull as 12v negative earth the same as cars, traditional English ships made of oak used to be 6 v positive earth, because the timber being positively charged helps repel barnacles and the french

Leo, these are some of the best explanations I’ve ever seen, especially of how head plumbing works! Love the movable arrows 🔝 notch.

Hi Leo, and 'partners in crime', a very interesting video. The shipbuilding, cabinetry, and varied woodworking projects, I greatly respect and admire, but am familiar with. As for this video and the other systems, I have seen them being installed but paid little attention to them. After all, being a simple wood butcher, most of these things were being done by others. Getting a dedicated look gives me a greater appreciation for the other essential skills involved and maybe a bit of remorse for not having paid closer attention. Great video, one I'll take another look at later. To the crew, "once again, thanks for the grins".

Leo, I really enjoyed your detailed explanation of the electrical system. It looks like you will be set up for any contingency. I’m impressed with how you are managing to blend state of the art technology with the finest wood craftsmanship to create what will be one of the most beautiful wood sailing ships to grace the oceans.

Love the technical, but that's just me. Important though is that I get the gist of the basic running of these systems, because ................... I BOUGHT MY FIRST EVER YACHT TWO WEEKS AGO !!! And seeing how you get all these systems and parts working optimally is super important for me to know how to do it all myself. And you show this in fantastic simple diagrams and specs. With humour added. Thanks guys. Michael Barrett

Ok Leo, a lot of that went over my head, but that`s not hard to do, I will say one thing about this whole electrical system, it looks expensive for sure, with many safeties built into it, what an impressive system, and it sure looks like you have the right people involved, this boat is basically self sustainable on shore or out to sea, what more could you ask for, love what you guys do Leo, what an epic boat this will be.

Literally the only channel that I watch the sponsor ads looks like the best environment to work in

Finally on to MY favorite part of the project. :) Love you guys!

You should put second controls below so you can pull it into gen mode then start it as a generator without needing to go topside on those cold days or when you just need it on some mornings while readying up

i cant wait to see this masterpiece in the ocean, and actually see all yall's hard work actually in use. Great Job guys!

I can appreciate that you went into detail about this because that's what fascinates me as an electrical engineer. All the other boat building channels are afraid to go into that level of detail

I love the technical stuff, keep it coming! I used to work for a naval architect, doing mostly systems design work on superyachts. I find this stuff very interesting :-D

I, for one, do appreciate the technical descriptions of the construction. Thanks for including them in the mix.

This episode makes it seem as if you are hiding a UFO inside of a 100 year old sailing boat. Hard to believe someone sailed Tally-ho around the world with nothing more than a bucket and lamp-oil.

I know everyone likes to watch woodworking but systems are the heart of the boat. It's good to see the details of such a high quality installation. Tally Ho is going to be reliable and comfortable. Nice work.

I love NIck and Pat's stupid bromance so much. ❤

Your crew and you actually make me laugh every time I watch your ads. The only ads I watch .

Send this project $5 once a month. There is like 100k of us watching this series. We can make a difference.

Have to admit I really don't understand why the electrical circuits on wooden boats are grounded to the water, because all you need to do to get a shock is touch a conductor while standing in the water, but if they were just electrically floating you would have to touch two different conductors to get a shock because they would have no relationship to the water. Many test benches have isolation transformers for this purpose so that you can't get a shock just by touching one conductor. I wonder do you have surge arresters in the system to cope with lightening ?

The commercials are awesome

As a nerd for all things electrical or mechanical, I loved the additional technical detail. Bring it on!

It was a great video, really enjoyed the content and the humor. Best to you all.

Hah! The video I've been waiting for! Who is the Pixie Wrangler? Where does the poop go? And another great outing for Leo CAD, the worlds best design S/W. Bliss. Was really good to catch up on all the phenomenal behind the scenes stuff again, especially the electrickery.

So unless I missed something.... the inverter setup is supplying AC 230v @50 Hz for high / low draw devices but is supplying only 120v @60 Hz for low draw devices, so the 60Hz inverter is not capable of/setup for supplying 240 v@ 60Hz. Interesting design choice, that's not intended to be criticism. I just figured for high draw appliance versatility that both would be offered since the 120v@60Hz was offered , but I realize it is that big of an issue for non-electronic high draw applications. Cool, another great video thx.

I love to geek out on things I do not know about but only when I have a hope of understanding at least some of what is being said. Leo's drawings combined with the 10 second repeat function on my keyboard makes a world of difference. Joe's wiring jobs remind me of a building inspector who told me he can tell by looking at an electrical panel for 10 seconds whether he should inspect more carefully. The neat and orderly layout makes it easy to appreciate the skill and knowledge level of the craftsman that installed it.

commonly, in the UK, mains voltage is around 240 - 245 volts @ 50 Hz, nothing like in the US! You must ensure that your boat is compatible to 120/60 and 240/50.

Perfect level of specificity, Leo. The drive shaft disengagement clutch deserves that level of coverage. The average Joe has no clue that that is even a thing. It's a satisfying mechanical "thing" that forms the foundation of why we watch. Keep creating, buddy. Tally Ho...

Excellent video. You might want to seal your electrical panel's with some plexiglass. Always good to be able to keep an eye on what is going on there. If a little moisture gets in there, corrosion will cause trouble in no time.

"...and death..." Or, hair like mine. 😉

Of course love the content as always. Just technical enough for me at least! The title worried me! Especially after the recent incident on a certain car rebuilding channel. Glad to see no accidents. Looking at that drain pipe for the head, unless you have a macerator (maybe the pump itself?), that drain pipe might well want to be an extra half an inch wider. I think we've all known someone who made a log as wide or wider than that. 🤭🤫I guess at least there's not much pipe to snake out, eh? 🤔 Cheers!