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Thank you

A 250 gallon tank is a nice size to handle and launch etc. I was a steam guy for a while, and still have a couple steam engines.

Hank Pronk yeah they’re fun, especially custom/scratch building one. I checked the dimensions of a 250 gallon and it seems like i would have to recline a little though.

Hank Pronk I’m also thinking of using the 325 but I really can’t tell what’s best until i get windows loaded on my pc and resume my cad work

@@lazarusmagellan2367 The larger volume will make your life easier.

Hank Pronk it would be the same diameter but 2’1” longer

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Yes there is, it will be on the right side ahead of the sphere, beside the leg tube. It is a 4 function electric arm that I built. The arm is currently mounted on my deep diver sub.

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This sub can dive 400 feet and would cast around 10K in materials to build. That is if you can get a left over piece of acrylic like I did. If not a full 10 foot piece of acrylic cylinder is 10K US

​@@HankPronk Where do you get the steel domes from? Are they custom made from you order by a steel working company? Thanks for the feedback!

@@jfp1842 I bought the steel domes fro Edmonton Exchanger in Edmonton Alberta. They are custom bent to ensure the sphericity is within 1% of Diameter.

@@HankPronk Thanks for the reply! It is so awesome that you are documenting your building of submarines. It is my dream to one day build and operate a personal submarine!

Acrylic is the only excepted material for a certified submarine. Other materials will work, but have not gone through all the testing. It took millions of dollars and many years to establish guidelines for acrylic

@@HankPronk How Very interesting~!! I made lots and lots of acrylic PH Blood Gas Analyzer chambers. After machining, we had to put them in an annealing oven and then ramp them down overnight. Failure to do this caused crazing in the plastic months or years later. We switched to polycarbonate and ended that whole problem. But I do understand the " stick in the mud" mentality of Standards. I once asked my Dr why they only gave me a flue vaccination in the one muscle in the arm and never varied. the answer; Because that's where they tested it and there won't be any deviations.

@@Raul28153 I made my own dome by machining it out of a block. I did a 96 hr anneal cycle as per PVHO rules. Having said that I am starting to test an epoxy window we made so we can make a 60 inch sphere. Fingers crossed.

@@HankPronk That sounds aggressive. Novalac Epoxy?

@@Raul28153 you can machine acrylic without an annealing cycle as long as the temperature of the acrylic does not rise. Some people machine a dome seat by mounting the dome like a bowl in a turn table and filling the dome with ice water. I once had to refuse a steam clean at a invasive species check stop in California with my submarine. Hot water can render a submarine window useless. I opted for a quarantine ( sub only) for 30 days.

I have tried to make an interior video but it is so confined my phone camera is not doing the job. When my son visits he will bring a proper camera, and we will most defiantly make an interior video.

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Yes, but much lighter

@@HankPronk Thank you

I really have no idea if he will or not.

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Yes, you just respect the Lathe!

I can afford this because I make all my own parts and I do all the work myself.

@@HankPronk ah I see, I could never trust myself to build a submersible whatsoever

@@RichTexas82513 Its not that difficult. I think easier than a air plane

@@HankPronk well besides an ultralight plane kit I don't have much knowledge on aviation, but I'd say I'd be more scared to build a homeade sub at the least, because if you fail with a sub it's sealed shut due to water pressure

Talentless Cult ultralight planes are scary too because the frames have to be to able to withstand turbulence. I saw a wing test which was a carbon fiber wing loaded with cement bags for 12 hours. Based on the pilot weight he tested it to (what would be) 7 g’s. That’s just a rigid omniwing glider though, I’ve seen some simple designs with aluminum online.

That is not a nice thing to say. I have built 7 submarines, including one that can dive 3000 feet. I have hundreds of dives logged in my homebuilt subs.

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