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07-11-2012, 11:22 AM
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Join Date: Jan 2005
Location: Round Rock, TX
Posts: 3,778
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Lightspeed Plasma III Six Cylinder Box Cooling?
Looking for some ideas on what folks are using set-up wise to cool the Lightspeed Plasma III boxes on 6 cylinder installs. Got a lot of ideas... what has worked best for others out there? 
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Reiley
Retired N622DR - Serial #V7A1467
VAF# 671
Repeat Offender / Race 007
Friend of the RV-1
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07-11-2012, 11:41 AM
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Join Date: Dec 2004
Location: Gold Hill, NC25
Posts: 2,399
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Quote:
Originally Posted by LifeofReiley
Looking for some ideas on what folks are using set-up wise to cool the Lightspeed Plasma III boxes on 6 cylinder installs. Got a lot of ideas... what has worked best for others out there? 
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Against the recommendations of the knowledgeable and intelligent staff at LSE, I have 1500 hours on a pair on the FW cabin side no cooling added.
As with all electronics cooler is better. There is a trade off of time and effort and $$.
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Kahuna
6A, S8 ,
Gold Hill, NC25
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07-11-2012, 01:34 PM
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Join Date: Jan 2005
Location: Round Rock, TX
Posts: 3,778
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Just to be clear... we are talking 6 cylinder installs only. 
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Reiley
Retired N622DR - Serial #V7A1467
VAF# 671
Repeat Offender / Race 007
Friend of the RV-1
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07-11-2012, 01:55 PM
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Join Date: Oct 2005
Posts: 1,516
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Fan
Since the Plasma III has a port for cooling air you might as well make use of it.
I installed one of these to the underside of the instrument area near the fresh air inlet. One hose is plugged into the LSI port and the other just blows air over the top.
2 pack of fans was $12.- and a little work to get the hose flange JB welded on.

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Ernst Freitag
RV-8 finished (sold)
RV-10 Flyer 600 plus hours
Running on E10 mogas
Don't believe everything you know.
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07-11-2012, 02:11 PM
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Join Date: Jan 2005
Location: Round Rock, TX
Posts: 3,778
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I was told a blower is better than a fan... Kudos to my Genius friend!!!
Thanks for the input. 
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Reiley
Retired N622DR - Serial #V7A1467
VAF# 671
Repeat Offender / Race 007
Friend of the RV-1
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07-11-2012, 02:16 PM
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Join Date: Jan 2005
Location: Round Rock, TX
Posts: 3,778
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Where did you buy that little 12 volt blower? 
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Reiley
Retired N622DR - Serial #V7A1467
VAF# 671
Repeat Offender / Race 007
Friend of the RV-1
Last edited by LifeofReiley : 07-11-2012 at 03:55 PM.
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07-11-2012, 02:26 PM
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Join Date: Jan 2005
Location: Louisville, Ga
Posts: 7,840
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FW rear.
Like Kahuna, mine is mounted on the cabin side of the firewall...5 years and over 500 hours, no problems.
Best,
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Pierre Smith
RV-10, 510 TT
RV6A (Sojourner) 180 HP, Catto 3 Bl (502Hrs), gone...and already missed
Air Tractor AT 502B PT 6-15 Sold
Air Tractor 402 PT-6-20 Sold
EAA Flight Advisor/CFI/Tech Counselor
Louisville, Ga
It's never skill or craftsmanship that completes airplanes, it's the will to do so,
Patrick Kenny, EAA 275132
Dues gladly paid!
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07-11-2012, 03:04 PM
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Join Date: Oct 2005
Posts: 1,516
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__________________
Ernst Freitag
RV-8 finished (sold)
RV-10 Flyer 600 plus hours
Running on E10 mogas
Don't believe everything you know.
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07-11-2012, 03:55 PM
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Join Date: Jan 2005
Location: Round Rock, TX
Posts: 3,778
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Quote:
Originally Posted by pierre smith
Like Kahuna, mine is mounted on the cabin side of the firewall...5 years and over 500 hours, no problems.
Best,
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And this was on a 6 clyinder Lycoming Lightspeed III install? Just looking correct for info... 
__________________
Reiley
Retired N622DR - Serial #V7A1467
VAF# 671
Repeat Offender / Race 007
Friend of the RV-1
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07-11-2012, 04:48 PM
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Join Date: Nov 2007
Location: Reno, NV
Posts: 2,125
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Quote:
Originally Posted by LifeofReiley
And this was on a 6 clyinder Lycoming Lightspeed III install? Just looking correct for info... 
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Brother Darryl,
Kahuna is talking about his S8, and Pierre about his 10, so pretty sure both are Lyc 6s. In the FWIW category, on my Lyc 6 I also had my LSE Plasma I on the cabin side, and when I replaced it with an Electroair, the box went cold side as well. Both systems worked well with that install technique, with no supplemental cooling.
That little fan is kinda neat too...lots of possible uses for that!
Cheers,
Bob
Last edited by rvmills : 07-11-2012 at 04:51 PM.
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