VansAirForceForums  
Home > VansAirForceForums

- POSTING RULES
- Donate yearly (please).
- Advertise in here!

- Today's Posts | Insert Pics

  #31  
Old 06-06-2017, 09:11 AM
civengpe civengpe is offline
 
Join Date: Nov 2010
Location: Houston, Texas
Posts: 212
Default

Quote:
Originally Posted by ccrawford View Post
Your first picture shows up, but the rest are broke. Would love to see them!
I attempted to fix them. Do they show up now?
__________________
Shannon
RV-10
Flying September 2015
Reply With Quote
  #32  
Old 06-06-2017, 10:04 AM
RVTOY RVTOY is offline
 
Join Date: Oct 2012
Location: Corona , Ca
Posts: 139
Default

How about placing another radiator below ice that is hooked into pump and then push water up to top radiator then water just drains down into chest. (Not closed loop). Of course you will need to protect lower radiator from damage.
__________________
RVTOY
RV7A flying
Kitfox 7 completed 2009. Lost in 2010 KJOA Flood. New Airworthiness cert. 6/8/2018
Always an upgrade in progress.
Donated to keep forum alive.
Reply With Quote
  #33  
Old 06-06-2017, 10:12 AM
RVbySDI's Avatar
RVbySDI RVbySDI is offline
 
Join Date: May 2005
Location: Tuttle, Oklahoma
Posts: 2,563
Default

Shannon, can you describe what you did to seal and secure the fans, etc. Is that RTV silicone I am seeing in the pics?
__________________
RVBYSDI
Steve
RV9A
https://rvwings.com

Live Long And Prosper! 🖖🏻
Reply With Quote
  #34  
Old 06-06-2017, 12:00 PM
civengpe civengpe is offline
 
Join Date: Nov 2010
Location: Houston, Texas
Posts: 212
Default

Quote:
Originally Posted by RVTOY View Post
How about placing another radiator below ice that is hooked into pump and then push water up to top radiator then water just drains down into chest. (Not closed loop). Of course you will need to protect lower radiator from damage.
I'm not sure how much efficiency this would impart. The air coming out of the one radiator is already near freezing.
__________________
Shannon
RV-10
Flying September 2015
Reply With Quote
  #35  
Old 06-06-2017, 12:05 PM
civengpe civengpe is offline
 
Join Date: Nov 2010
Location: Houston, Texas
Posts: 212
Default

Quote:
Originally Posted by RVbySDI View Post
Shannon, can you describe what you did to seal and secure the fans, etc. Is that RTV silicone I am seeing in the pics?
Sure thing! I really tried to keep the KISS principle alive here.

For the radiator, I drilled out the existing cup holder from the bottom using a 3" hole saw. I then placed a drop of gorilla glue on each corner of the radiator and placed it in position. I then laid a brick on top to keep it clamped. After that was cured, I applied a bead of bathroom, clear silicone around the perimeter to form a seal.

For the fans, I cut a rectangular hole in just the bottom skin of the top using a small cutoff wheel attached to my dremel, just larger than the fans themselves. I then match drilled them to the top utilizing the existing mounting holes in the fan. From here, I cut the top, just inside of the match drilled holes. I then used the mounting screws that came with the fans to secure them to the underside of the lid.
__________________
Shannon
RV-10
Flying September 2015

Last edited by civengpe : 06-06-2017 at 12:55 PM.
Reply With Quote
  #36  
Old 06-06-2017, 12:12 PM
civengpe civengpe is offline
 
Join Date: Nov 2010
Location: Houston, Texas
Posts: 212
Default

I have run into an issue that I did not see during the proof of concept phase. The radiator is removing so much moisture it is clogging up with water.

I originally chose the geometry of the fans pushing air though the cooler then the radiator as I thought, the time in the cooler would pre chill the air prior to the radiator and result in a better final result. The real result has been the loss of airflow through the radiator due to water build up. The spacing between the fins, coupled with the positive air pressure from the fans is casing all of the condensate to not drain back into the cooler.

It's hard to capture in a photo, but you can see the bottom half of the radiator is clogged with water. this what the entire radiator looks like when I first open the lid.

I think the fix will be easy enough though. I am going to relocate the radiator to be on the inlet side instead of the exhaust. That way the fans should keep it clear of moisture accumulation.
__________________
Shannon
RV-10
Flying September 2015
Reply With Quote
  #37  
Old 06-06-2017, 01:04 PM
bret's Avatar
bret bret is offline
 
Join Date: Feb 2010
Location: Gardnerville Nv.
Posts: 2,828
Default

Ok, what if you take a kids inflatable pool, set in the tent, fill half way with water and jump in and go to sleep......wakeup and take a bath!
__________________
7A Slider, EFII Angle 360, CS, SJ.
Reply With Quote
  #38  
Old 06-06-2017, 01:05 PM
MarkW's Avatar
MarkW MarkW is offline
 
Join Date: Sep 2011
Location: Edgewater, FL. KSFB
Posts: 1,118
Default

You are getting such good heat exchange with that evaporator, air velocity and water temp that it does not need such closely spaced fins. If needed you could modify the fin spacing. i.e. use a punch to spread the fins. That would help. Your idea of pulling water down rather than up may do the trick though.
__________________
Mark
RV9 - N14MW - Flying
G3X - ECI Titan I0-320
Catto three blade prop
http://www.mykitlog.com/MarkW
Reply With Quote
  #39  
Old 06-08-2017, 09:19 AM
civengpe civengpe is offline
 
Join Date: Nov 2010
Location: Houston, Texas
Posts: 212
Default

I've worked through all of the major issues and have it done. Here is a link to a video overview of it.

https://youtu.be/7L-C1aLZReQ

Cheers!
__________________
Shannon
RV-10
Flying September 2015
Reply With Quote
  #40  
Old 06-08-2017, 03:34 PM
N42AH's Avatar
N42AH N42AH is offline
 
Join Date: Dec 2007
Location: RV-10 based at 9SC - Whiteplains Airpark
Posts: 406
Default Salt Water and or Cooler Shock

A couple of options for your water. Mix 1 cup of salt in a gallon milk jug full of water and freeze. Gives you a freezing point lower than 32 degrees.

If you want to get really creative, I just purchased 6 large 10 x 14 bags of Cooler Shock (google it) to use in my Icy Breeze cooler I got a Sun N Fun.

Still in the testing mode but this is interesting stuff. Will advise on my results
__________________
Steve Crimm
Gilbert, SC
Based - SC99
RV-10 N42AH
RV-9A N42AH - SOLD
Europa Monowheel XS N42EU - SOLD
BH-206B3 N42AH- SOLD
BH-206B3 N43AH - SOLD
Track N42AH/N1FLY
Reply With Quote
Reply


Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

vB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Forum Jump


All times are GMT -6. The time now is 02:25 AM.


The VAFForums come to you courtesy Delta Romeo, LLC. By viewing and participating in them you agree to build your plane using standardized methods and practices and to fly it safely and in accordance with the laws governing the country you are located in.