Go Back   EcoModder Forum > EcoModding > General Efficiency Discussion
Register Now
 Register Now
 

Reply  Post New Thread
 
Submit Tools LinkBack Thread Tools
Old 11-11-2020, 02:02 PM   #11 (permalink)
Master EcoModder
 
Join Date: Jan 2011
Location: na
Posts: 1,025
Thanks: 277
Thanked 217 Times in 184 Posts
Similar to above, I had a programable t'stat that plugs into an outlet (or cord) and used it in cool mode to turn on a fan pointed at the wood stove when I had one.

I think it was Lux lasted quite a while in a pretty hot environment beside the stove even with an fan blowing near it.

  Reply With Quote
Alt Today
Popular topics

Other popular topics in this forum...

   
Old 11-12-2020, 03:36 PM   #12 (permalink)
Permanent Lurker
 
seifrob's Avatar
 
Join Date: May 2011
Location: Czechoslovakia (sort of), Europe
Posts: 346

Dáčenka - '10 Dacia / Renault Logan MCV 1.5 dCi (X90 k9k)
90 day: 47.08 mpg (US)
Thanks: 129
Thanked 194 Times in 91 Posts
Just my two cents:
- fans at bottom, leave the rest open.
- This setup (four inches space between stove and wall is meant as fire precaution. Any restriction of free airflow and you made a hot chamber behind all the decorative finish. It is compromise between aesthetics and functionality.
EDIT - i didn´t read its a gas stove, so never mind, it has probably some sort of fire protection...

- wire protection covers (salvaged from PSU or bought separately - something like that: https://www.amazon.com/Easycargo-Gri...FXDP14FFV3CMAY) do not restrict airflow and add ton of finish.

I fabbed something similar for my parents wood stove with four 12-cm PC fans and no thermostat, just PWM speed control module (cca $3.90, e-bay) to controll it manually. (Unfortunatelly my mother is more for aesthetics and does not like to mix "country" with "techno", as she said)

If you want to go redneck style, get temperature controlled switch from old electric kettle. Closes/opens at boiling point.

Sounds like nice project to me!

P.S: If you want no project, just 100% style, go for this: https://www.ecofan.co.uk/
or this: https://www.stirlingengine.co.uk/d.a...VULCANSTOVEFAN

(there are also cheaper e-bay versions, but afaik these are the originals)
- you could try thermocouple modules to power your CPU fans... No need to control, runs when your stove is hot enough... - get inspired by that ecofan

Last edited by seifrob; 11-12-2020 at 04:05 PM..
  Reply With Quote
Old 10-31-2022, 02:20 PM   #13 (permalink)
Human Environmentalist
 
redpoint5's Avatar
 
Join Date: Aug 2010
Location: Oregon
Posts: 10,792

Acura TSX - '06 Acura TSX
90 day: 28.24 mpg (US)

Lafawnda - '01 Honda CBR600 F4i
90 day: 47.32 mpg (US)

Big Yeller - '98 Dodge Ram 2500 base
90 day: 21.82 mpg (US)

Prius Plug-in - '12 Toyota Prius Plug-in
90 day: 57.64 mpg (US)

Mazda CX-5 - '17 Mazda CX-5 Touring
90 day: 25.4 mpg (US)

Chevy ZR-2 - '03 Chevrolet S10 ZR2
90 day: 17.14 mpg (US)
Thanks: 3,703
Thanked 4,000 Times in 3,023 Posts
Well, 2 years later and I'm getting closer to actually implementing this idea. This weekend I mocked up the fans using double sided tape, wired them together, and tested operation using my switching power supply.

I had to remove the igniter from the mount because it was hitting the fan, but this setup seems to be best. I'll run screws into the grate to secure the fans.

I'll use the temperature switch from the squirrel cage blower to activate the fans, and a 12v AC adaptor I've got laying around. At 12v, 0.31 amps are drawn for just under 4 watts. These are way quieter than that noisy blower.

I will block off the sides using coroplast (maybe, unless I find something more heat resistant). It really isn't feasible to put fans on the ends.





Oh, that light in the ziplock bag is a WiFi switch so that the Chinese can control my fireplace using IoT. I've got Google starting the fireplace automatically during the morning routine. I had to become an expert on how the gas switches on and off electronically to get the right switch. Fireplaces that use a pilot light generate low voltage from that heat that is then used to open the gas valve when the switch is closed. I made the mistake of initially thinking regular house voltage was switched to activate the valve.
Attached Thumbnails
Click image for larger version

Name:	68884519988__9060A50A-5BEE-4CBA-BAD2-6D416538AE9A.jpg
Views:	37
Size:	131.9 KB
ID:	32976   Click image for larger version

Name:	IMG_4070.jpg
Views:	48
Size:	119.6 KB
ID:	32977  
__________________
Gas and Electric Vehicle Cost of Ownership Calculator







Give me absolute safety, or give me death!

Last edited by redpoint5; 10-31-2022 at 02:26 PM..
  Reply With Quote
Old 10-31-2022, 03:16 PM   #14 (permalink)
Master EcoModder
 
freebeard's Avatar
 
Join Date: Aug 2012
Location: northwest of normal
Posts: 24,357
Thanks: 6,875
Thanked 7,746 Times in 6,334 Posts
This reminds me, we haven't seen anything from Major Hardware's Fan Showdown in a month:

www.youtube.com/playlist?list=PLHLn2U7i45M_EXIsnqUyI-nqCCk-wfCU9

__________________
.
.

Without freedom of speech we wouldn't know who all the idiots are. -- anonymous poster
____________________

"Stuff just keeps on getting older...." -- Graham Hancock

____________________
  Reply With Quote
Old 10-31-2022, 03:31 PM   #15 (permalink)
Human Environmentalist
 
redpoint5's Avatar
 
Join Date: Aug 2010
Location: Oregon
Posts: 10,792

Acura TSX - '06 Acura TSX
90 day: 28.24 mpg (US)

Lafawnda - '01 Honda CBR600 F4i
90 day: 47.32 mpg (US)

Big Yeller - '98 Dodge Ram 2500 base
90 day: 21.82 mpg (US)

Prius Plug-in - '12 Toyota Prius Plug-in
90 day: 57.64 mpg (US)

Mazda CX-5 - '17 Mazda CX-5 Touring
90 day: 25.4 mpg (US)

Chevy ZR-2 - '03 Chevrolet S10 ZR2
90 day: 17.14 mpg (US)
Thanks: 3,703
Thanked 4,000 Times in 3,023 Posts
I happen to have the fog machine at the ready for Halloween. Might as well use it to test airflow in the fireplace.
__________________
Gas and Electric Vehicle Cost of Ownership Calculator







Give me absolute safety, or give me death!
  Reply With Quote
Old 10-31-2022, 04:44 PM   #16 (permalink)
Master EcoModder
 
freebeard's Avatar
 
Join Date: Aug 2012
Location: northwest of normal
Posts: 24,357
Thanks: 6,875
Thanked 7,746 Times in 6,334 Posts
The new managers realized the ground is laced with natural gas pipes, so they had them tested. Apparently I have Natural Gas available as a service.

I have 2-burner range, would I need a compressor for a car or a fuel cell for electric backup?
__________________
.
.

Without freedom of speech we wouldn't know who all the idiots are. -- anonymous poster
____________________

"Stuff just keeps on getting older...." -- Graham Hancock

____________________
  Reply With Quote
Old 10-31-2022, 06:51 PM   #17 (permalink)
Human Environmentalist
 
redpoint5's Avatar
 
Join Date: Aug 2010
Location: Oregon
Posts: 10,792

Acura TSX - '06 Acura TSX
90 day: 28.24 mpg (US)

Lafawnda - '01 Honda CBR600 F4i
90 day: 47.32 mpg (US)

Big Yeller - '98 Dodge Ram 2500 base
90 day: 21.82 mpg (US)

Prius Plug-in - '12 Toyota Prius Plug-in
90 day: 57.64 mpg (US)

Mazda CX-5 - '17 Mazda CX-5 Touring
90 day: 25.4 mpg (US)

Chevy ZR-2 - '03 Chevrolet S10 ZR2
90 day: 17.14 mpg (US)
Thanks: 3,703
Thanked 4,000 Times in 3,023 Posts
Need my rusty BBQ? All burners still work, you just might need to light one of them by hand instead of the sparker.
__________________
Gas and Electric Vehicle Cost of Ownership Calculator







Give me absolute safety, or give me death!
  Reply With Quote
Old 11-07-2022, 03:20 AM   #18 (permalink)
Human Environmentalist
 
redpoint5's Avatar
 
Join Date: Aug 2010
Location: Oregon
Posts: 10,792

Acura TSX - '06 Acura TSX
90 day: 28.24 mpg (US)

Lafawnda - '01 Honda CBR600 F4i
90 day: 47.32 mpg (US)

Big Yeller - '98 Dodge Ram 2500 base
90 day: 21.82 mpg (US)

Prius Plug-in - '12 Toyota Prius Plug-in
90 day: 57.64 mpg (US)

Mazda CX-5 - '17 Mazda CX-5 Touring
90 day: 25.4 mpg (US)

Chevy ZR-2 - '03 Chevrolet S10 ZR2
90 day: 17.14 mpg (US)
Thanks: 3,703
Thanked 4,000 Times in 3,023 Posts
Finished a project. Squirrel cage blower seemed to throw the air everywhere. It takes 33 minutes after turning the fire off for the thermal switch to turn the squirrel cage blower off.

With my quieter 4 watt total, 120mm fans, it takes just 10 minutes to cool the heat box to the point the thermal switch opens. Seems like it's 1/10th the power, 1/10th the noise, and 3x as effective. Ima patent this when I get a round tuit.

I don't get why these fireplaces come with $200 ineffective blowers that are too noisy, when they could come with $20 worth of case fans that are way better.

I did have to drill mounting holes in the grill that are not externally visible to mount the fans. Then coroplast on the outside and duct tape to seal the small strip next to the fans.


EDIT: The fans are so effective that it can cool the heat box down enough that the thermal switch opens while the fire is on. This is something the standard blower was never capable of doing. Once the thermal switch turned on, it ran the fan until 30+ minutes after the fire was turned off.

I might even put a speed controller on there so I can turn the noise down even more, and that would put less cycles on the thermal switch.

Attached Thumbnails
Click image for larger version

Name:	IMG_4123.jpg
Views:	25
Size:	51.7 KB
ID:	33002  
__________________
Gas and Electric Vehicle Cost of Ownership Calculator







Give me absolute safety, or give me death!

Last edited by redpoint5; 11-07-2022 at 09:16 PM..
  Reply With Quote
The Following User Says Thank You to redpoint5 For This Useful Post:
freebeard (11-07-2022)
Reply  Post New Thread


Thread Tools




Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2022, vBulletin Solutions Inc.
Content Relevant URLs by vBSEO 3.5.2
All content copyright EcoModder.com