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nick pine
,
CJE
2
9/7/12
Heat pumps in cold air
I don't know if that's true - simplicity has it's benefits. I well remember the
unread,
Heat pumps in cold air
I don't know if that's true - simplicity has it's benefits. I well remember the
9/7/12
nick pine
,
barbara deane-gillett
3
3/17/12
Cooling PVs
PE Drew Gillett writes: >one caution, the extra radiation from the reflector needs to be evenly
unread,
Cooling PVs
PE Drew Gillett writes: >one caution, the extra radiation from the reflector needs to be evenly
3/17/12
nick pine
5
3/13/12
A remote yard boiler
>If 1 ft^2 of cover gains 0.8x1122/6h = 150 Btu/h of average daily sun and a trickle collector
unread,
A remote yard boiler
>If 1 ft^2 of cover gains 0.8x1122/6h = 150 Btu/h of average daily sun and a trickle collector
3/13/12
nick pine
3/10/12
Solar showers for summer campers
R. writes: > We are planning a huge event in July in Montana for about 600-800 campers. We are in
unread,
Solar showers for summer campers
R. writes: > We are planning a huge event in July in Montana for about 600-800 campers. We are in
3/10/12
nick pine
3/4/12
PV vs deep mesh economics
yreysa" <gary@...> wrote: > A good DIY solar heating collector rated in the same way as
unread,
PV vs deep mesh economics
yreysa" <gary@...> wrote: > A good DIY solar heating collector rated in the same way as
3/4/12
nick pine
, …
Nathan Hurst
16
3/3/12
A pebble bed heat store
So 2 capacitors and a switch and a resistor walk into a bar... / R ----- ---www--- | T1 | T2 | | ---
unread,
A pebble bed heat store
So 2 capacitors and a switch and a resistor walk into a bar... / R ----- ---www--- | T1 | T2 | | ---
3/3/12
nick pine
,
Loren Bittner
2
3/1/12
Refined poly mesh efficiency calc
That Afib Protocol is called CHADS2. From: nick pine <ni...@early.com> To: sunspace <sunspace
unread,
Refined poly mesh efficiency calc
That Afib Protocol is called CHADS2. From: nick pine <ni...@early.com> To: sunspace <sunspace
3/1/12
nick pine
2/29/12
Dual south mesh...
20 S=1.714E-09'Stefan-Boltzmann constant 30 DIM E(5,5)'combined emittance matrix 40 DATA 0,0,
unread,
Dual south mesh...
20 S=1.714E-09'Stefan-Boltzmann constant 30 DIM E(5,5)'combined emittance matrix 40 DATA 0,0,
2/29/12
nick pine
2/29/12
Leonard Koel's heat store
Fig. 54-6 on page 431 of Leonard Koel's 1985 Carpentry book shows a solar air heater with air
unread,
Leonard Koel's heat store
Fig. 54-6 on page 431 of Leonard Koel's 1985 Carpentry book shows a solar air heater with air
2/29/12
nick pine
,
WmJMorrison
3
2/27/12
An UNglazed transpired mesh collector example
Blissfully ignorant here. My versions of SE of TP are 1974 and 1980. Sun hasn't changed that much
unread,
An UNglazed transpired mesh collector example
Blissfully ignorant here. My versions of SE of TP are 1974 and 1980. Sun hasn't changed that much
2/27/12
nick pine
2/9/12
Long Branch 2.0
>After blower door testing and airsealing with a dense pack insulation retrofit, Terri's 100-
unread,
Long Branch 2.0
>After blower door testing and airsealing with a dense pack insulation retrofit, Terri's 100-
2/9/12
nick pine
, …
Nathan Hurst
7
2/7/12
Deep mesh collector test
> A poly film duct can supply hot water for a house without elaborate plumbing... And where does
unread,
Deep mesh collector test
> A poly film duct can supply hot water for a house without elaborate plumbing... And where does
2/7/12
nick pine
1/27/12
Integral duct/heat store
"yreysa" <gary@...> wrote: > This is the fan curve for the Dayton 10 inch fan:
unread,
Integral duct/heat store
"yreysa" <gary@...> wrote: > This is the fan curve for the Dayton 10 inch fan:
1/27/12
nick pine
3
1/14/12
A solar yard furnace
>... we might well solar heat an existing house without architectural changes or loss of
unread,
A solar yard furnace
>... we might well solar heat an existing house without architectural changes or loss of
1/14/12
nick pine
4
1/2/12
Inflatable solar collectors?
> With a few layers of gauzy mesh or felt to keep the surface near the film cooler and increase
unread,
Inflatable solar collectors?
> With a few layers of gauzy mesh or felt to keep the surface near the film cooler and increase
1/2/12
nick pine
3
12/21/11
A solar tank shed
>A shed with 8'x16' of south twinwall with a 45 degree slope and an 8'x11.3'
unread,
A solar tank shed
>A shed with 8'x16' of south twinwall with a 45 degree slope and an 8'x11.3'
12/21/11
nick pine
,
Nathan Hurst
2
12/18/11
More kitty litter...
On Sun, Dec 18, 2011 at 06:42:44AM -0800, nick pine wrote: > >From Nathan: > > http://
unread,
More kitty litter...
On Sun, Dec 18, 2011 at 06:42:44AM -0800, nick pine wrote: > >From Nathan: > > http://
12/18/11
nick pine
, …
John Canivan
7
12/14/11
Redesigning John's shop
John Canivan <cani...@optonline.net> wrote: > A bed of gravel under the concrete slab acts
unread,
Redesigning John's shop
John Canivan <cani...@optonline.net> wrote: > A bed of gravel under the concrete slab acts
12/14/11
nick pine
12/8/11
A cloudy-day and DHW heat store?
A long east-west water-filled polyethylene film duct on the ground inside a larger duct that's
unread,
A cloudy-day and DHW heat store?
A long east-west water-filled polyethylene film duct on the ground inside a larger duct that's
12/8/11
nick pine
, …
barbara deane-gillett
13
12/2/11
Air heater algebra
"Bob Waldrop" <bwal...@cox.net> wrote: >I recently came across this interesting
unread,
Air heater algebra
"Bob Waldrop" <bwal...@cox.net> wrote: >I recently came across this interesting
12/2/11
nick pine
, …
CJE
6
9/15/11
A PA solar stock tank
Bubbling only works if you have warmer water to constantly bring up to the surface. Like from a
unread,
A PA solar stock tank
Bubbling only works if you have warmer water to constantly bring up to the surface. Like from a
9/15/11
nick pine
, …
barbara deane-gillett
4
9/7/11
Corn cooling
nick there is a good section in ashrae applications on food cooling problem with car batteries is the
unread,
Corn cooling
nick there is a good section in ashrae applications on food cooling problem with car batteries is the
9/7/11
nick pine
8/21/11
A rotating solar boiler
Krischan Makowka <jkmakowka@...> wrote: > Recently I came across the interesting concept of
unread,
A rotating solar boiler
Krischan Makowka <jkmakowka@...> wrote: > Recently I came across the interesting concept of
8/21/11
Nathan Hurst
8/19/11
fibonacci solar panels
http://www.amnh.org/nationalcenter/youngnaturalistawards/2011/aidan.html Nice work, and cites Rich :)
unread,
fibonacci solar panels
http://www.amnh.org/nationalcenter/youngnaturalistawards/2011/aidan.html Nice work, and cites Rich :)
8/19/11
nick pine
, …
John Canivan
15
8/7/11
Evaporative cooling
Oh yes Nick this is a much beter idea, a few more active components would greatly improve the heat
unread,
Evaporative cooling
Oh yes Nick this is a much beter idea, a few more active components would greatly improve the heat
8/7/11
nick pine
6/29/11
Water vapor transmission rate
> Plastic film containers lose water vapor over time. A continuous duct might be easier to top up
unread,
Water vapor transmission rate
> Plastic film containers lose water vapor over time. A continuous duct might be easier to top up
6/29/11
nick pine
,
Don Hull
2
5/21/11
Troy NY Passive Solar Renewable Energy Home- 2nd Edition
I just saw a demonstration of Thermacoat paint. Sprayed on the inside attic roof. It keeps the attic
unread,
Troy NY Passive Solar Renewable Energy Home- 2nd Edition
I just saw a demonstration of Thermacoat paint. Sprayed on the inside attic roof. It keeps the attic
5/21/11
nick pine
, …
John Canivan
9
5/18/11
Fresnel reflection loss
The most serious mistake was making the outer container of the receiver of plywood. We thought that
unread,
Fresnel reflection loss
The most serious mistake was making the outer container of the receiver of plywood. We thought that
5/18/11
nick pine
4/24/11
Solar heating notes from Norman Saunders (reformatted)
M1 86601 To Help You Conserve Copyright Norman B. Saunders, PE 15 Ellis Road, M3, Weston MA 02193 may
unread,
Solar heating notes from Norman Saunders (reformatted)
M1 86601 To Help You Conserve Copyright Norman B. Saunders, PE 15 Ellis Road, M3, Weston MA 02193 may
4/24/11
Nathan Hurst
, …
nick pine
23
4/13/11
archdruid gets it wrong!!!
On Tue, Apr 12, 2011 at 01:40:07PM -0400, Don Hull wrote: > What would be the definitive book on
unread,
archdruid gets it wrong!!!
On Tue, Apr 12, 2011 at 01:40:07PM -0400, Don Hull wrote: > What would be the definitive book on
4/13/11