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08-08-2012, 01:23 PM
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Join Date: Dec 2011
Location: Livermore, CA
Posts: 6,797
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Two comments
1. I assume you have a gps somewhere feeding the HXr? Without it you won't have a lot of its features, like moving map.
2. If long term you want to be able to do IFR you really want back up flight instruments like a D6 or a Gemini. But I would try to leave the EIS box on the panel. Reason? It can be left on during engine start, and show nearly right away if you have or don't have oil pressure. Alternative is to boot up the HX on an aux battery before start.
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08-08-2012, 01:48 PM
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Join Date: Oct 2007
Location: Macon, GA
Posts: 499
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Quote:
Originally Posted by BobTurner
Two comments
1. I assume you have a gps somewhere feeding the HXr? Without it you won't have a lot of its features, like moving map.
2. If long term you want to be able to do IFR you really want back up flight instruments like a D6 or a Gemini. But I would try to leave the EIS box on the panel. Reason? It can be left on during engine start, and show nearly right away if you have or don't have oil pressure. Alternative is to boot up the HX on an aux battery before start.
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Yes, I have the GRT VFR GPS to hook up to it. I plan on having an aux battery wired up to the avionics bus for this purpose, flipping the avionics bus on will also turn this battery on. The diode should keep the avionics bus voltage at the aux batt voltage, rather than the main battery bus voltage. It'll also be a few more minutes of backup if I ever need it.
__________________
Macon, GA (KMCN)
RV-7, Niner Fife Victor
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08-08-2012, 11:32 PM
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Join Date: Oct 2009
Location: Victoria, BC, Canada
Posts: 3,932
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Quote:
Originally Posted by gtmule
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That's amazingly cool, but beware of crossing the border into Canada and back. Those Russian instruments frequently have radioactive dials. A pilot i'm aware of flew his Nanchang CJ-6 into the US once, and the border guard came out holding a geiger counter... It was clicking before he got within 50 feet of the airplane.
He was allowed entry, but was told that he would not be allowed entry again unless the instruments were changed to a non-radioactive equivalent.
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Rob Prior
1996 RV-6 "Tweety" C-FRBP (formerly N196RV)
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08-09-2012, 07:56 AM
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Join Date: Oct 2005
Location: Highland Village, TX
Posts: 1,520
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Love the clock
Quote:
Originally Posted by gtmule
Good to know bout the EIS, I can eliminate that switch. The clock is entirely unnecessary but cool....

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I have dual GRT Horizon's and backup steam gauges --- and I also have an analog clock, but I must say your clock is a whole lot cooler than the one I have. 
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Rick Aronow,
A&P
Flying 7A Slider;
RV-12 SOLD
Jacksonville, FL
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10-15-2012, 08:27 PM
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Join Date: Oct 2007
Location: Macon, GA
Posts: 499
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Wow, depressingly little progress in two months. Lots of work stuff going on.
Finally got it fired up on the bench (dining room table).
http://www.youtube.com/watch?v=x_LkpUHnSQY
Lots more wires to deal with. Once I get it all talking on the bench (soon...) I'll cut the panel and rip the plane apart...hopefully it won't take too long.
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Macon, GA (KMCN)
RV-7, Niner Fife Victor
Last edited by gtmule : 10-16-2012 at 12:28 PM.
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10-18-2012, 08:17 PM
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Join Date: Sep 2012
Location: GA
Posts: 50
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I got the clock......
Hi
I'm a new RV7A guy, bought it from Jamie Painter who did a great job building it, and I have the clock from a Sukhoi and a Interavia SP95 I used to have. Have a Pitts Model 12 now. It has the clock also!
I am working the issue between a Garmin G3X and a GRT Horizon of some kind. Good problem to have I guess but no clear differences and both nice pieces so it will work our either way  . Trying to avoid screwing up the good work Jamie did on the panel but not sure I can fit anything without a lot of moving around.
See you around the aerodromes.
Phil
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10-18-2012, 08:56 PM
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Senior Curmudgeon
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Join Date: Sep 2005
Location: Dayton Airpark, NV A34
Posts: 15,420
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Welcome to VAF!!
Quote:
Originally Posted by Acrophil
Hi I'm a new RV7A guy,
Phil
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Phil,  to the good ship VAF!!
Good to have you aboard.
Pitts 12, major jealousy here 
__________________
Mike Starkey
VAF 909
Rv-10, N210LM.
Flying as of 12/4/2010
Phase 1 done, 2/4/2011 
Sold after 240+ wonderful hours of flight.
"Flying the airplane is more important than radioing your plight to a person on the ground incapable of understanding or doing anything about it."
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10-18-2012, 10:30 PM
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Join Date: Aug 2009
Location: Newport, RI
Posts: 705
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Here's a thought
I recently purchased a GRT system. While visiting
the booth at Oshkosh, I ran into a few Grt owners
That said not to bother mounting the EIS on the panel.
"you'll never look at it". As the data is all there on the EFIS.
I addressed the concern of oil pressure reading at startup with
GRT. According to Carlos, he suggested to wire the EFIs
To the main bus and no problem with turning on the EFIS prior
To startup. My next question to GRT which I have yet to address is
What about the voltage drop when all the juice goes to the starter?
Will fill you in when I find out. My EIS is currently mounted behind
The panel. Maybe a backup battery or some kind of capacitor will address the voltage drop. Not Sure yet. Just thought I would mention this as an option.
__________________
Al Girard, Newport, RI
N339AG
RV-9
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10-19-2012, 06:03 AM
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Join Date: Mar 2006
Location: Newport, TN
Posts: 7,496
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Quote:
Originally Posted by Acrophil
Hi
I'm a new RV7A guy, bought it from Jamie Painter who did a great job building it,
Phil
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Well thats interesting news.....Jamie, whats the deal man????
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10-19-2012, 08:40 AM
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VAF Moderator / Line Boy
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Join Date: Jan 2005
Location: Dayton, NV
Posts: 12,256
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Quote:
Originally Posted by agirard7a
I recently purchased a GRT system. While visiting
the booth at Oshkosh, I ran into a few Grt owners
That said not to bother mounting the EIS on the panel.
"you'll never look at it". As the data is all there on the EFIS.
I addressed the concern of oil pressure reading at startup with
GRT. According to Carlos, he suggested to wire the EFIs
To the main bus and no problem with turning on the EFIS prior
To startup. My next question to GRT which I have yet to address is
What about the voltage drop when all the juice goes to the starter?
Will fill you in when I find out. My EIS is currently mounted behind
The panel. Maybe a backup battery or some kind of capacitor will address the voltage drop. Not Sure yet. Just thought I would mention this as an option.
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Most folks that I know have been installing a simple aux battery setup to keep the EFIS up during start - I have all our airplanes wired that way, and it works great!
Paul
__________________
Paul F. Dye
Editor at Large - KITPLANES Magazine
RV-8 - N188PD - "Valkyrie"
RV-6 (By Marriage) - N164MS - "Mikey"
RV-3B - N13PL - "Tsamsiyu"
A&P, EAA Tech Counselor/Flight Advisor
Dayton Valley Airpark (A34)
http://Ironflight.com
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