There have been nuc freighters   too expensive...   Savanna

On 10/7/24 5:16 PM, Ken Hohhof wrote:
Nuclear probably beats diesel for energy density, but I presume that is not an 
option.

---- Original Message ----
From: "Mark Radabaugh" <m...@amplex.net>
Sent: 10/7/2024 7:13:41 PM
To: "AnimalFarm Microwave Users Group" <af@af.afmug.com>
Subject: Re: [AFMUG] solar container ships

Back of the envelope calculations….

Panamax (largest container ship through the Panama Canal) burns 63,000 gal/day.

63000 gal of diesel is 2400MWH of energy.   It takes roughly 10 acres to 
generate 1MW of power so 24,000 acres * 3 (to account for night).     Call it 
40 square miles….  I don’t think that’s going to work.

Batteries….  The Panamax ships hold ~3M gallons of fuel or 114298 MWH of 
energy.  A typical nuclear power plant puts out 900MWH so it’s going to take 
the full output for 5 days to recharge that battery.  But the typical 
turnaround is 1-2 days to we need 5 reactors to recharge the ship by the time 
it’s ready to sail.

Hard to beat dead dinosaurs for energy density.

Mark



On Oct 7, 2024, at 5:22 PM, Steve Jones <thatoneguyst...@gmail.com> wrote:

i dont know how much batteries it would take to run one of these beasts, but 
what is the fuel to batter weight ratio? like 100 tons to cross the atlantic in 
fuel would require how many tons of battery with 30% sun and how many tons of 
solar panels to charge them
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