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  #301  
Old 09-07-2017, 02:37 PM
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Mel Mel is offline
 
Join Date: Mar 2005
Location: Dallas area
Posts: 10,332
Default It only seems counterintuitive to a non-pilot.

Quote:
Originally Posted by Mich48041 View Post
Most planes have the top of the switch labeled "DOWN", like you have it. I know it seems counter intuitive, but the way that I remember it is that pushing the top of the control stick causes the nose to go down.
The practice comes from years of "rolling" the trim wheel forward to produce nose down trim. As you roll the wheel forward, your thumb goes forward toward the panel. It's as if you are "rolling" the trim switch forward.
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North Texas (8TA5)
RV-6 Flying since 1993, 172hp O-320, 3-Blade Catto (since 2003)Sold
Legend Cub purchased 12/2017
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  #302  
Old 02-27-2018, 11:53 AM
AirHound AirHound is offline
 
Join Date: Oct 2006
Location: OFallon IL now, everywhere before
Posts: 301
Default

Tony
Howdy, I have the baggage mod kit ready to install. But just ordered the two pieces for the floor and the kind lady at vans said thatís all that is coming. So, how do I mod the floor ? Do I make mounting flanges to screw the two floor pieces in to or is there something else to order from vans??? Thank you, Doug in IL
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  #303  
Old 02-27-2018, 12:04 PM
AirHound AirHound is offline
 
Join Date: Oct 2006
Location: OFallon IL now, everywhere before
Posts: 301
Default Baggage floor mod fixtures

Tony Howdy, I have the baggage mod kit ready to install. But just ordered the two pieces for the floor and the kind lady at vans said thatís all that is coming. So, how do I mod the floor ? Do I make mounting flanges to screw the two floor pieces in to or is there something else to order from vans??? Thank you, Doug in IL

Quote:
Originally Posted by Tony_T View Post
I am in the middle of an annual and have taken this opportunity of complete the mod to the baggage bulkhead and rear floor inspection panel that has been pioneered by others to allow inspection access without having to remove the fuel tank. Will also be doing the fuel tank reinforcement SB and installing a Moeller gauge on top while the tank is opened. Gad, this annual is getting to be a lot of work!




And this is the access with the covers off:


Many thanks to those who have gone before on this. Life should be a bit easier now. I hope to not take the tank out from now on except for cause.

The only issue I see is that Van's has never indicated whether these panels are structural or not. If they are, the mod may be a case of junior engineering a good design. If they find me face down in the trees somewhere with the tail cone a half mile from the wreck, you will know what happened and it will be all my fault and not Van's .

Tony
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  #304  
Old 02-27-2018, 07:28 PM
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Tony_T Tony_T is offline
 
Join Date: Dec 2008
Location: Lacey, WA
Posts: 1,256
Default

Hi Doug,

I don't think you need anything else. The two floor pieces should screw right to the original nut plates, no mounting flanges should be necessary.

Just understand that is an old post of mine and those floor pieces in my pictures were made by me BEFORE Van's changed their design to two floor pieces, so I have never seen the floor pieces that you will be getting.

Best luck, it should go easy.
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  #305  
Old 11-25-2018, 01:05 PM
bobg56 bobg56 is offline
 
Join Date: Nov 2018
Location: Peachtree City, GA
Posts: 63
Default Canon Plugs for Nav lights

I had the old screw head and prong set up for Nav lights and stall warning. Always had issues with poor connectivity so I installed a quick disconnect canon plug for both wings using about 16" of wiring encased in a protective sheath. All I do now is pull the wings out about a foot and disconnect the plugs, works great...That's what I wished they'd done designing it in the first place.
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  #306  
Old 04-14-2019, 07:44 AM
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magiccarpet magiccarpet is offline
 
Join Date: Feb 2013
Location: Switzerland, Europe
Posts: 168
Default Exchanging Voltage Regulator

Before my Ducati VR is going to die, I thought it might be good to be prepared for. So, I bought the Silent Hektik VR at the Aero fair in Friederichshafen for 120Ä.
My voltage regulator is located under the avionic shelf on the right side, as per former KAI.
To be on the safe side, I installed a 2.8x2.8" PC fan on the cooling fins. The air flow will be from the passenger room upwards to the fins. The fan will be connected in parallel to the other 2 fans on the avionic shelf. (powered when master switch is on)







I hope my battery will like it
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  #307  
Old 04-14-2019, 01:22 PM
HarryL HarryL is offline
 
Join Date: Jun 2015
Location: Woking UK
Posts: 47
Default

Neat arrangement Chris. I've just bought the F4122 regulator as the Ducati is electrically noisy, also the EarthX ETX680 battery as I want to move my C of G aft a bit. Hope to get them installed in the next couple of weeks. I'll copy the integrated fan mount - easier than moving the regulator back to the engine bay and installing Vans NACA duct.
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  #308  
Old 04-14-2019, 03:52 PM
pilotyoung pilotyoung is offline
 
Join Date: Jan 2018
Location: Birmingham, AL
Posts: 122
Default Modifications

I like your location and setup.

My VR was already in the engine area so I copied another person from the Vans Airforce and moved it to the left out of the airstream from the radiator and then put a blast tube to it from the airstream to the radiator. I have a thermal strip on it and when I change the oil, I will learn how hot it is getting.

[IMG][/IMG]
[IMG][/IMG]
[IMG][/IMG]
[IMG][/IMG]

I changed the oil today, 5/24/2019 and the thermal strip indicated that 135F is the highest temperature that the VR got to.
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Serial Number 120022, N6812Y
Bought it as a flying airplane in Feb. 2018
Just passed 140 hours flight time in RV-12, and 10,000 hours mostly in corporate jets. I am a CFI; CFII; MEI; and a advancd Ground Instructor, CFIG; and hoping to be able to help new RV-12 owners by doing some transition training for new builders and owners in RV-12's.

Last edited by pilotyoung : 05-24-2019 at 10:03 PM. Reason: get pictures to show
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  #309  
Old 04-14-2019, 08:32 PM
NORM T NORM T is offline
 
Join Date: Feb 2019
Location: Dallas, OR
Posts: 7
Default Drag reduction with fairings, RV-12

Comparing airspeed and fuel burn vs. engine RPM before installing wheel fairings and then with, and then adding the nose wheel strut fairings, I was shocked by the significant improvement resulting from the latter. It caused me to speculate about the exhaust pipe which is also directly behind the propeller. Could a V-cross section fin behind the pipe could be beneficial in drag reduction, and maybe in reducing exhaust gas stain on the belly? Has anyone done anything in this area? I would like to hear about such work if it has no ill effects. At least it is fun to think about such things!

Norm T
Bought ELSA RV-12 flying, great little airplane!
Had Grumman Cheetah for 20 years prior
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  #310  
Old 04-15-2019, 01:45 AM
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Piper J3 Piper J3 is offline
 
Join Date: Nov 2014
Location: Hinckley, Ohio
Posts: 1,427
Default

Quote:
Originally Posted by NORM T View Post
adding the nose wheel strut fairings, I was shocked by the significant improvement resulting from the latter.
How shocked were you? This can't add significant airspeed. Nose strut is very small and airspeed in low 100 knots doesn't gain very much from little bits of aerodynamic cleanup.
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80 hrs Flying Aeronca Chief 11AC N86203
1130 hrs Flying 46 Piper J-3 Cub N6841H
RV-12 E-LSA #120058 AWC July 2012 N633CM
RV-12 Bought Flying Oct 2015 with 48TT - Hobbs now 459

LSRM-A Certificate 2016
Special Thanks... EJ Trucks - Crew Chief A-4 Skyhawk
MJ Stricker (Father & CFI) - 1st Lt. Captain B-17H
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