Re: OT: Kids got an E-scooter?

On Wed, 26 Jun 2024 16:35:03 +0100, Clive Arthur
<clive@nowaytoday.co.uk> wrote:

On 25/06/2024 23:03, Phil Hobbs wrote:
>
<snip>
>

Seems like the problem is that the fuel and oxidizer are stored way too
close together.
 
If only we could separate them—hey, maybe we could save weight and be safer
by using air as oxidizer, and even more by not carrying the oxidized fuel
around!
 
What an amazing advance that would be!
 
Cheers
 
Phil Hobbs

>
But the vehicle would get progressively heavier as the reaction products
built up.  I mean, surely no-one would simply dump them to atmosphere?

Good point. The used reactants would be bigger than the fuel, so the
waste tank would be bigger and heavier than the fuel tank. It might
need a pump to compress the used reactants, which would wreck
efficiency.

A fueling station would need big underground tanks for the waste too.

But we could use wind and solar power to reprocess the waste back into
fuel and air.