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The Fleet Ship designs, strategies, and tactics.

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  #101  
Old November 17th, 2020, 03:14 AM
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Originally Posted by Proneutron View Post
Yep. I spec'ed that out for my MgT House rules. I did it per stateroom considering two people and first class service (long showers, baths, Auto-chefs, etc). My staterooms totalled 6 tons for everything included.

1 ton for all LS needs per two people:

2,000 litres water (recycled throughout the trip)
6 cubic meters for atmosphere & water recyclers
2 cubic meters HVAC machinery
3 cubic meters for auto-chef & 1 cubic meter of proto-food/month

If all fresh food to be cooked, ~0.5 cubic meters per person for 2 weeks
According to the EPA, how many gallons the average American uses, per day:
  • Toilet – 18.5 gallons per person, per day
  • Washing Machine – 15 gallons per person, per day
  • Shower – 11.6 gallons per person, per day
  • Faucet – 10.9 gallons per person, per day
  • Dishwasher – 1 gallon per person, per day

So, we don't have a washing machine on a starship, or if there is one it would be something different from 20th cen tech. There would be some washing for uniforms and service linens that they don't carry tons of extras, together with dishes. Starships don't use water to flush waste through a long pipe to the sewer branch, which greatly reduces that water usage. Also showering water and faucet usage would be restricted except for luxury accommodation.

Five gallons for each would be 20 gallons a day at most. Luxury adds 5 more gallons each showering and faucet and wash-up for crew service, to 35 gallons per day. That's about 130 liters a day, less than 1000 liters per passenger without recycling.

The air and water handling equipment you've described could probably handle a whole 100 dT ship. If you're making dedicated equipment for a single stateroom, it could be that size, maybe smaller given handwavey tech 3000 years in the future.
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  #102  
Old November 17th, 2020, 06:40 AM
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1. Sonic dishwasher

2. Disposable clothing

3. Vacuum toilet

4. Deodorant

5. Alcohol wipes

6. Fuel tanks
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  #103  
Old November 17th, 2020, 10:49 AM
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Quote:
Originally Posted by Straybow View Post
According to the EPA, how many gallons the average American uses, per day: [LIST][*]Toilet – 18.5 gallons per person, per day[*]Washing Machine – 15 gallons per person, per day[*]Shower – 11.6 gallons per person, per day
Fascinating. However, my staterooms have soaking tubs that hold up to 500 liters. And recycling of water isn't instantaneous. Plus food is synthesized from super dense organic blocks that contain no water to speak of. Some even use part of cargo hold for swimming if enough High passage is sold. The EPA really doesn't do interstellar space travel well at all.

Last edited by Proneutron; November 17th, 2020 at 12:41 PM..
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  #104  
Old November 17th, 2020, 03:21 PM
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A better source of data would be to look at the water management system of the ISS...
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  #105  
Old November 17th, 2020, 03:33 PM
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Originally Posted by Proneutron View Post
Fascinating. However, my staterooms have soaking tubs that hold up to 500 liters. And recycling of water isn't instantaneous. Plus food is synthesized from super dense organic blocks that contain no water to speak of. Some even use part of cargo hold for swimming if enough High passage is sold. The EPA really doesn't do interstellar space travel well at all.
Looking at typical deck plans, OSHA might not do it very well either.
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  #106  
Old November 17th, 2020, 04:21 PM
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Looking at typical deck plans, OSHA might not do it very well either.
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  #107  
Old November 17th, 2020, 04:22 PM
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Originally Posted by mike wightman View Post
A better source of data would be to look at the water management system of the ISS...
Or the air quality management systems of the ISS...
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