Would the manual production of a tank be feasible?
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What I have in mind is a Tiger I tank from the ww2 era. Some backround history of this machine, well it began development in 1937, and prototypes were finished in 1942. Early models were deployed in various fronts of the war in that same year.
Now lets get to business. This tank weighed 57 tons of pure German Krupp steel. Obviously I wont have access to this, so what steel am I looking to use? I dont know much about steel anyways, so what might I need to fabricate the correct plates and links? What do I need to actually put them together? Not a basic welding kit I'd assume...
>How much am I looking to spend, what exactly would I need when it comes to attempting to create such heavy machinery.
The front plate on this was 11 cm thick historically, and I believe that is the thickest plate on the tank. Also, right now I'm mainly concerned about the chassis and armor, general shape - etc. I'll worry about tracks, transmission and an engine with that kind of power later.
Pouring a concrete slab
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>have a shed
>flimsy, not tall enough, kind of small
I built it myself a while ago
>want bigger shed
>decide to do things right this time
>decide to build one from scratch
>realize I need a concrete slab
>never done that before
the ground is flat, no earthquakes, house built 40 years ago has no cracks anywhere (solid ground, no settling), no HOA, no nosy neighbors, I plan to live here till I die (fuck building code)
except some youtube videos about pouring concrete, is there anything else I should know?
is premix concrete good enough?
should I use rebar (or some sort of metal mesh)?
Ambient LED lighting
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So I'm sure I'm yet another idiot who's proposed this idea, but figured I'd ask anyway.
I see a lot of people like doing bedroom lighting with LED strips and various other small light sources. I'm wanting to do this for my whole house. The reason being is that the lights I have in my house have very inconvenient light switches, and the lights are all too bright. I want to do a low-light and low-power constant-on setup so I don't need to fiddle with the light switches and so I don't waste electricity. The thing is, I haven't messed with electronics in a long time and I never paid any attention to actual power requirements.
So, 2 questions:
Is this an economical solution? I.e, will LED strips/lights use less electricity on average than the way too many (3-5+ per area/room) recessed floodlights I have?
Is it possible for me to run this off of mains power so I don't have to change batteries every day? (ideally without shocking myself with the circuit design)
Any ideas or suggestions (or criticism) would be helpful. I'm not dead-set on this but I figured it would be a neat side project that's actually useful