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  #11  
Old 07-05-2018, 03:32 PM
rvbuilder2002 rvbuilder2002 is offline
 
Join Date: Jul 2005
Location: Hubbard Oregon
Posts: 7,637
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Originally Posted by PMLviator View Post
Call order desk-$495
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Originally Posted by Piper J3 View Post
For a voltage regulator???
The price is for an install kit.
It includes a molded NACA vent (same as used on the 12iS)that installs on the upper cowl and directs air onto the regulator (firewall mounted directly behind the NACA vent), template for cutting the NACA opening, regulator, hardware and schematic drawing that also includes info for connecting the indicator output line to an EFIS system.

The 4120 regulator has a status indicator that will set an alarm if internal over temp, or an over voltage condition occurs.
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  #12  
Old 07-29-2018, 10:08 AM
pilotyoung pilotyoung is offline
 
Join Date: Jan 2018
Location: Birmingham, AL
Posts: 24
Default Silent Hektik

Does anyone know if Van's will sell just the regulator?
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  #13  
Old 07-29-2018, 03:27 PM
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mike newall mike newall is offline
 
Join Date: Jan 2005
Location: Yorkshire, England
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I thought the current location under the avionics shelf sorted out these problems ?
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  #14  
Old 08-12-2018, 10:06 PM
ben barron ben barron is offline
 
Join Date: Sep 2013
Location: Fall City, WA
Posts: 109
Default Have planes had Under shelf regulator issues?

Have planes had under shelf install issues? If so after how many hours?
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  #15  
Old Yesterday, 05:29 AM
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tomkk tomkk is offline
 
Join Date: Apr 2014
Location: Port Orange, Fl
Posts: 740
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I have almost 500 hrs on my -12 with the inside under-the-shelf location and I'm on my 4th regulator, two Ducattis have failed and one John Deere. One of the Ducatti's might have been due to a loose connection on the regulator terminal. All always ran very hot. I've rigged a short blast tube from the upper half of the passenger air vent to the current regulator and it's staying warm but not hot. I read about that in an earlier post and avoided it because I thought it would be too hard but it turned out to be almost trivially easy. Only have about 30 hrs since I installed the blast tube so the jury's still out.
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Port Orange, Fl
RV-12 N121TK ELSA #120845; first flight 06/10/2015
RV-12 N918EN ELSA #120995 Eagles Nest Project; ready for engine & avionics
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  #16  
Old Yesterday, 09:02 PM
ben barron ben barron is offline
 
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Location: Fall City, WA
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Tom,
mind sending a photo of your "blast tube"?
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  #17  
Old Today, 11:02 AM
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tomkk tomkk is offline
 
Join Date: Apr 2014
Location: Port Orange, Fl
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Originally Posted by ben barron View Post
Tom,
mind sending a photo of your "blast tube"?
Here you go. No remarks about the mounting clamps please - this is a temporary install to see how it would work. Looks to be keeping the VR fairly cool so I'll get some permanent clamps.

The first picture is looking at the bottom of the tray from rear towards the front. The second is looking straight up from the bottom. The tube is about 7/8" diameter I got from Lowes. It's pretty hard to bend but, fortunately, the bend right off the roll was about perfect. There's still plenty of air for the passenger from the bottom half of the vent. Winter will be a problem up north but down here in Florida I rarely close the vents.

The yellow wire is a dedicated ground that goes through the firewall to the engine. I'd originally hoped that might help the heat problem but it seemed to have little effect. I'd also previously painted the VR with flat black to try to dissipate heat better but that had little, if any, effect.



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Port Orange, Fl
RV-12 N121TK ELSA #120845; first flight 06/10/2015
RV-12 N918EN ELSA #120995 Eagles Nest Project; ready for engine & avionics
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