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Search: Posts Made By: u3b3rg33k
Forum: Geothermal & Heat Pumps 07-15-20, 02:19 PM
Replies: 15
Views: 635
Posted By u3b3rg33k
Generally black does, and that matters if the...

Generally black does, and that matters if the primary method of cooling is radiation, and it's in the dark. plenty of compressors are blue/red too. either way the primary method of cooling a...
Forum: Geothermal & Heat Pumps 07-14-20, 02:09 AM
Replies: 15
Views: 635
Posted By u3b3rg33k
if you have a hermetic compressor, it's cooled by...

if you have a hermetic compressor, it's cooled by the refrigerant. cooling the shell serves no purpose.
Forum: Lawn and Garden 07-02-20, 02:50 AM
Replies: 10
Views: 2,580
Posted By u3b3rg33k
I wanted an electric chipper but I couldn't find...

I wanted an electric chipper but I couldn't find one I liked, so I threw a face mount motor and VFD on where an engine once lived. Idles at 300W, makes 10+ torque for short periods, full power at...
Forum: Solar Heating 01-22-20, 12:07 AM
Replies: 8
Views: 1,075
Posted By u3b3rg33k
if you're using a preheat tank with an HX, use...

if you're using a preheat tank with an HX, use the tank water as part of your thermal system, and the HX for potable water, instead of the other way around. that way you don't have 40 gallons of...
Forum: Solar Power 01-02-20, 01:07 PM
Replies: 24
Views: 4,166
Posted By u3b3rg33k
use the solar system to power a grid-synchronized...

use the solar system to power a grid-synchronized generator head? that won't have an inverter signature...
Forum: Conservation 12-03-19, 08:14 PM
Replies: 95
Views: 12,249
Posted By u3b3rg33k
body on frame trucks look the way they do because...

body on frame trucks look the way they do because they kinda have to. this is interesting. Cd should be much better than an F150/1500.

If you offered me one of the range toppers in trade for my...
Forum: Conservation 10-06-19, 01:07 AM
Replies: 27
Views: 5,356
Posted By u3b3rg33k
I'd love to see some numbers to back up that...

I'd love to see some numbers to back up that "fact".
Forum: Renovations & New Construction 09-26-19, 02:48 PM
Replies: 2
Views: 1,248
Posted By u3b3rg33k
deteriorated carpet pad?

deteriorated carpet pad?
Forum: Conservation 09-22-19, 11:27 PM
Replies: 95
Views: 12,249
Posted By u3b3rg33k
now hear this: Daimler Ends Gas Engine...

now hear this: Daimler Ends Gas Engine Development: Full Focus On Electric Cars
https://insideevs.com/news/371793/daimler-no-gas-engine-electric-only/

Remember, it's just a fad tho.
Forum: Conservation 09-16-19, 10:21 PM
Replies: 95
Views: 12,249
Posted By u3b3rg33k
You say that, but look at VAG/Jag. Tesla has a...

You say that, but look at VAG/Jag. Tesla has a huge head start, and makes their own chemistry in house. They've also made substantial improvements in recent history. the others are all buying from...
Forum: Conservation 09-15-19, 12:02 AM
Replies: 95
Views: 12,249
Posted By u3b3rg33k
So far it looks like Tesla is king of battery...

So far it looks like Tesla is king of battery quality/performance. not that more competition isn't fantastic. about time we replaced some gas trucks with electric!
Forum: Other Improvements 09-10-19, 10:25 AM
Replies: 4
Views: 1,279
Posted By u3b3rg33k
"edison batteries" are Nickel-Iron. my...

"edison batteries" are Nickel-Iron.

my understanding is that they're extremely durable, but low energy density and high self discharge. to get a battery bank big enough to be useful (start up...
Forum: Appliances & Gadgets 09-08-19, 10:03 PM
Replies: 11
Views: 2,399
Posted By u3b3rg33k
I've always wanted one of these. exhausting...

I've always wanted one of these. exhausting 400cfm of air I paid to heat twice in the winter for an hour seems a bit wasteful.
Forum: Other Improvements 09-08-19, 02:28 PM
Replies: 4
Views: 1,279
Posted By u3b3rg33k
Nickel Iron batteries? i've heard of them, i...

Nickel Iron batteries? i've heard of them, i think the main issue is $/kWh. from what I've researched, used tesla packs are the best at about $1500/5kWh.
Forum: Conservation 05-01-19, 05:27 PM
Replies: 177
Views: 30,767
Posted By u3b3rg33k
From what I've seen the used tesla 24V modules...

From what I've seen the used tesla 24V modules can't be beat on $/kWh.
Forum: Geothermal & Heat Pumps 05-01-19, 05:25 PM
Replies: 2
Views: 1,397
Posted By u3b3rg33k
I'd be using HPDE instead of PEX for outdoor...

I'd be using HPDE instead of PEX for outdoor applications. seems to work for the geo guys.
Forum: Appliances & Gadgets 03-11-19, 12:52 AM
Replies: 17
Views: 3,878
Posted By u3b3rg33k
the only way a resistance heater can convert less...

the only way a resistance heater can convert less electricity to heat is by lowering the supply voltage. otherwise, the element just runs hotter until a new equilibrium is reached, with the surface...
Forum: Other Improvements 02-25-19, 01:33 AM
Replies: 15
Views: 6,199
Posted By u3b3rg33k
look into a whole house dehumidifier. don't even...

look into a whole house dehumidifier. don't even look at anything under 100PPD if you care at all about your energy bill. the rules are different for 100PPD+, mandating a significant difference in...
Forum: Conservation 01-17-19, 02:10 AM
Replies: 4
Views: 1,817
Posted By u3b3rg33k
I think there's a DoE study that shows the impact...

I think there's a DoE study that shows the impact of a HPWH is pretty minimal, even on homes heated by a heat pump, and that it was decisively preferable to any version of "exhausting the cold air...
Forum: Conservation 12-11-18, 01:37 AM
Replies: 26
Views: 40,812
Posted By u3b3rg33k
a quick and dirty reinforcement might be a couple...

a quick and dirty reinforcement might be a couple of T50 staples across the wood/tape mating surface.
Forum: Conservation 12-02-18, 11:24 PM
Replies: 95
Views: 12,249
Posted By u3b3rg33k
I can only hope it's not vaporware. some proper...

I can only hope it's not vaporware. some proper competition for Tesla would be great, and it doesn't look like it's going to come from the big 3.
Forum: Conservation 11-10-18, 02:40 AM
Replies: 27
Views: 5,356
Posted By u3b3rg33k
well, in FL it's not cheaper to put in solar,...

well, in FL it's not cheaper to put in solar, because FP&L hates all things solar.
Forum: Conservation 10-19-18, 05:50 PM
Replies: 33
Views: 6,738
Posted By u3b3rg33k
i'd love to see those just for fun. i haven't run...

i'd love to see those just for fun. i haven't run them myself because i wasn't planning to build anything any time soon.
Forum: Conservation 09-30-18, 12:32 AM
Replies: 2
Views: 1,439
Posted By u3b3rg33k
you may want to re-visit your needs. HEPA...

you may want to re-visit your needs.

HEPA filtration is one "need". typically used in hospitals when they do 100% outside air.
outside air requirement - how much fresh air does your building...
Forum: Solar Power 09-09-18, 09:08 PM
Replies: 2
Views: 778
Posted By u3b3rg33k
many states have tax exemptions for solar. you...

many states have tax exemptions for solar. you should look into it and see if your state does this.

keeping land zoned a tax friendly way depends on how you use it. turn woods into lawn, they'll...
Showing results 1 to 25 of 86

 
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