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Search: Posts Made By: jeff5may
Forum: Geothermal & Heat Pumps 07-31-20, 10:40 AM
Replies: 21
Views: 7,758
Posted By jeff5may
^What Mike said^ "Only 180 pounds" is a lot...

^What Mike said^

"Only 180 pounds" is a lot of baggage. It's like an extra passenger. Per hour. Also consider that ice cubes stack up to about 1/3 water, 2/3 air. I dare you to go to a hotel and...
Forum: Geothermal & Heat Pumps 07-30-20, 01:56 PM
Replies: 21
Views: 7,758
Posted By jeff5may
This debate about ice storage versus battery...

This debate about ice storage versus battery range is getting ridiculous! The number one challenge for current BEV solutions is range. More range=better is the rule. Anything that adds mass adds drag...
Forum: Geothermal & Heat Pumps 07-07-20, 01:22 AM
Replies: 21
Views: 7,758
Posted By jeff5may
Sounds like you are on the right track already. A...

Sounds like you are on the right track already. A ton of a/c is literally enough for a Winnebago. In a Jeep, I'd probably go with half a ton of capacity, and get something energy star. They run part...
Forum: Geothermal & Heat Pumps 05-16-20, 03:18 PM
Replies: 21
Views: 7,758
Posted By jeff5may
so here's a generic diagram of a heat pump: ...

so here's a generic diagram of a heat pump:
https://www.everysolarthing.com/static/media/uploads/blog/solar/heat_pumps/air_source/air-to-air-heat-pump.jpg

The cooling coil is the evaporator. It's...
Forum: Geothermal & Heat Pumps 05-16-20, 09:51 AM
Replies: 21
Views: 7,758
Posted By jeff5may
There are a few obstacles and hurdles to overcome...

There are a few obstacles and hurdles to overcome with automotive systems. Cooling mode has been practicing for 50 plus years in cars, so it is the easy part. The challenges come with heating mode. ...
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