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Adhesive on those windows may not cope well under numerous cycles of pressure changes whereas o-rings are more predictable due to their uniformity.

Merry Christmas Hank!! Thank you for all the awesome videos!! Very inspiring!

Merry Christmas Hank. If that interior doesn't have the ability to switch to red light, then you built it wrong. So cool watching this come to life.

Merry Christmas!

Very cool to hear the engine run. Merry Christmas!

Awesome to hear it going , whats going on what that shut off ? I didn't really understand the issue

I ran my sailboat engine yesterday.

Wowza! Really quite awesome to see. Thanks for sharing your work!

good stuff

It's always nice to hear a project start up for the first time. (If it does. 😂)

Making good progress Hank.

Good progress! Keep it up!

Hey, what is the diameter of your hull? 😁

Hi Hank. I just had a thought. Maybe for the monitoring of the cooling water you could make a flow meter like what's on a welding gas bottle. Merry Christmas!

How many cameras hard wired cameras do you plan to use?

Merry Christmas!!!

Best advise. make sure you Life Insurance and Will, is up to date

Btw, if you intend to repair or debug your constructions, connected to the engine, then consider adding quick connect fittings to your pipes. Some threshold between engine compartment and cabin could be good too. The idea is to reduce spilling of oil, coolant and other liquids, because cleaning stinky mess inside closed space can be very difficult task. Plz check, whether you have enough space for exchange of oil, filters, coolant and whatsoever.

Merry Christmas and Happy New Year!

It's pretty amazing watching you build this! You never rest! Good on ya, man!

Mr. Hank, why didn't you choose to install a fuel cell if concerned about leaks? Or an internal bladder fuel tank like an old Corvette?

Concerning fuel gauge, use some ready mechanic float with potentiometer or capacity sensor. Take some car or tractor parts. Plz never ever ultrasonic. They fail in complicated conditions. I had bad experience in corrosive damp atmosphere.

You can add just ordinary pressure gauge for oil pressure. Idk about diesel but everything higher than 1 bar is ok for gas engines.

Your ancestors probably are Dutch, it's a common last name in Duindorp and Scheveningen, near The Hague. Warm greetings from The Netherlands! Merry Christmas and a happy New Year!

ChatGPT is super cool, just be aware that it lies one out of five times. It will even double and triple down when you catch it lying.

It's amazing what you can do with computers these days. I'm guessing that in the old days, you had to destructively test it in a pressure chamber.

Wouldn't it get pretty warm in there sitting next to the radiator? Anyway, your channel is one of my favorites.

this guy answered like 900 questions i had when designing my rov. been working on this for months and re watched videos many times. thanks hank

what does your compensator look like?

When you machine the fuel filler plug, you might consider how attach a tether so the filler plug can't accidentally get lost. A small diameter stainless braided cable with an eye (or ring terminal) from the plug to the hull should be more than sufficient.

U didn’t change thE seal

So the gist I got from this is three words: *Redundancy, Redundancy, Redundancy*

Better sound today, LOL

What com system are you using ?

Coming along great! Can't wait to see the sea trials!

Might try using a D/A orbital sander with the appropriate buffing pads, in the spinning lathe chuck, to polish the windows.

To prevent vandalism you could make a sort of steel bucket that drops over the tower covering the hatch and the windows which you can padlock down to the hull with some boxes over the padlocks to stop them being cut…

awesome! so cool to see this sub coming together. do you anneal the viewports after machining? or is it such a small change that it probably doesn't matter much

Nice work!

Really coming together and taking shape.. You must be getting excited. Looks phenomenal 👌

Two steps forward, one step back. Good luck!

PSI is a measure of (water) pressure alone. The force it produces on the rod is a multiple of the pressure and the area of the penetaration. This will be in pounds, not PSI.

Boys have boats. Real men have submarines. 😜

A bit of steam punk feel to it now with the new rudder handle which is awesome.

I am also a fan of reasonable length service loops on wiring. For me, it is always a compromise between having enough wire to work with, and too much of a rat's nest of extra wiring. Having enough space (I.e., not using the absolute smallest possible enclosure) makes life much easier. The tiller lever looks nice.

I think these 3 points are at least part of why things are so hard to work on. 1.) They don't want you working on it. 2.) They aren't going to work on it. And the most important; 3.) That extra 6 -10" of wire X 1 million units is substantial money.

WHOOOOOOOOOOOOO! Finished with one part! 99 more to go!

So at 100ft, that steering rod going out through a through hull may be experiencing 50psi water pressure (depending on diameter) in addition to the load on the rudder. Better work on your bench presses.

Seems like this setup is a lot simpler, too. Sometimes the simplest solution IS the best one

A mountain bike grip should work. They even have groved ones for each finger that would probably be really comfortable for your application.