Meant to reply a while ago but life got in the way... Check out the attached pic of a contraption that is inserted in the flue of this gas water...
22799
Pierre Abbat
phma@...
May 14, 2012 5:20 pm
... I'm thinking of adding area and turbulence, not thermal mass. The heat fins could be half-millimeter thin, or even thinner if they're stiff enough to ...
22800
Akshay Rudraksha
akshayru
May 14, 2012 5:47 pm
Hi All, Can you please explain me below example of water tank. Here they shows that cold water and hot water will be in same tank. Is this the correct design...
22801
Ryan Riehl
obsessedwith...
May 14, 2012 5:52 pm
The temperatures are only relative and usually only vary by a degree or two depending on the tank size. It's an example of thermal stratification, the hot...
22802
patrick_in_pei
May 14, 2012 9:34 pm
I'm going to go ahead with the two screen collectors, they're not too much trouble to put together. If these prove to be reasonably effective I will follow on...
22803
Akshay Rudraksha
akshayru
May 14, 2012 9:35 pm
Thanks Ryan, Is this the better way to make solar water heater. I found this as cheaper way, as per Scott video i can use CPVC, but how much it makes different...
22804
Pierre Abbat
phma@...
May 15, 2012 12:31 am
Could anyone suggest materials for constructing my collector? Is a centrifugal fan of the size and flow I figured reasonable? Pierre -- La sal en el mar es...
22805
John Canivan
johncanivan
May 15, 2012 12:38 am
The serpentine drainback system looks good. I repeated a similar experiment that Gary ran and came up with the same results. John...
22806
yreysa
May 15, 2012 2:13 am
Hi From the diagram, the collector looks like it thermosyhons without a pump. So, water in the collector heats up, gets less dense, rises up out of the...
22807
andygo999
May 15, 2012 10:22 am
Ged, I take your point - but we get enough sun for the rest of the year to make it worthwile (it'll obviously point south and direct heat into north facing...
22808
snkdavis
May 15, 2012 10:35 am
Hi Pierre, For an air collector, a screen absorber is a great choice in that it is easy to work with, inexpensive and performs superior to other options. For...
22809
Pierre Abbat
phma@...
May 15, 2012 11:54 am
... I'm new here and don't know the lingo. What is a screen absorber? What is a 3CFM? The fans blow into ducts which are no bigger than 362 mm × 235 mm on the...
22810
snkdavis
May 15, 2012 12:01 pm
Hi Pierre, This video will give you a good overview of the hot air collector options: http://www.youtube.com/watch?v=gBLQ2ZUeP7w And this one shows just how...
22811
kcl1s
May 15, 2012 2:56 pm
Pierre, I see you use metric units. This list is based in the US and most members here use imperial units and are less likly to do the conversions needed to...
22812
thorthesailor
May 15, 2012 8:51 pm
Nick Pine over on the SolarHeat yahoo group has posted numerous examples, calculations and equations/programs regarding flow rates and resources for...
22813
jgblacksmith
May 16, 2012 2:13 am
It seems that most people use a snap switch in air collectors, but what do you use in a hydronic collector? Somehow it seems that it would have to work...
22814
John Canivan
johncanivan
May 16, 2012 2:35 am
More trees mean less sun. What to do? What to do? How about the brick test? John http://www.jc-solarhomes.com/DIY/brick_test.htm ... From: Patrick O'Grady ...
22815
John Canivan
johncanivan
May 16, 2012 2:38 am
Pierre Just be sure you build a house with a steep pitched roof pointing in the right direction. Then you'll always have something to work with. John...
22816
Pipskateer
mrpisky2000
May 16, 2012 5:51 pm
Why not put a slight incline on each horizontal run of the serpentine tube to allow the fluid to completely drain from each segment? In Christ Alone! \o/ Paul...
22817
Akshay Rudraksha
akshayru
May 17, 2012 2:50 am
I am using a simple system which provides me hot water, the area where i am live has quite high temperature during day and my system provides best results. But...
22818
animatt
animatt84
May 17, 2012 4:40 am
Could you try to describe how your system works in a bit more detail. Maybe photos/diagram of actual system, or of a similiar one online. it is hard to say...
22819
Akshay Rudraksha
akshayru
May 17, 2012 5:32 am
Matthew, I am using same system like below URL. ( http://www.byexample.com/projects/early/flat_panel_collector ) My tank is old Steel heater, it doesn't have...
22820
Ged
gedburnell
May 17, 2012 6:49 am
Wrap the tank with lots of insulation. Ged...
22821
animatt
animatt84
May 17, 2012 1:38 pm
I do not know what kind of material you have access to, but just insulating better would be the answer. if your tank gets hot in the day time you setup seems...
22822
yreysa
May 17, 2012 1:50 pm
In addition to more insulation, you might want to check that your are not getting reverse thermosyphoning at night. This would be circulation of water through...
22823
Doug Kalmer
doug_kalmer
May 17, 2012 2:01 pm
Solar Electric tour- http://www.youtube.com/watch?v=LpTG-TSX9yk I just put up a new video showing our solar electric installation, which provides more...
22824
andygo999
May 17, 2012 2:16 pm
I was thinking that too.......
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Akshay Rudraksha
akshayru
May 17, 2012 2:40 pm
Thanks Gary, I found several Aluminium foil based insulation video's, is there any other insulation available or i just have to use this one. ... -- -- Akshay...
22826
Pierre Abbat
phma@...
May 17, 2012 4:19 pm
... My computer isn't set up for videos. Is there an explanation in text, perhaps with pictures? ... That sentence as written doesn't make sense — it implies...
22827
stevendpe
May 18, 2012 3:30 am
Hi Pierre, In answer to your earlier question, a screen absorber is one where the air passes through a dark colored screen (charcoal colored aluminum fly mesh...
