Hi Glen, I installed my with a 337 and my IA was A-OK all around. The guys at the San Antonio FSDO told me they are glad I was making one of those "cool old planes" safer. Their words...
Best, John On Feb 3, 2008 7:05 PM, Glen Davis <[EMAIL PROTECTED]> wrote: > I installed an ADI in my Coupe and flew with it for the first time > yesterday. My first impression is FANTASTIC. I wish I could have one in > the plane I fly IFR. The thing I noticed that make it different from a > conventional artificial horizon is this...the pitch indicator first reacts > to attitude change, like a conventional instrument. But then...it indicates > vertical speed, NOT PITCH ATTITUDE. In other words, it the little airplane > is above the horizon, YOU ARE CLIMBING. This is not always true with a > conventional instrument. For example, if you were at 1700 RPM and trying to > hold altitude, a conventional instrument would show the little airplane way > above the horizon line even though you are not climbing. > > Bottom line, if you were to lose all visibility, all you have to do with > this instrument in keep the little airplane on the horizon line with the > wings level and you will hold altitude and heading perfectly. > > John, mine was installed with a 337. Justification is that there was no > artificial horizon required in the Ercoupe so this is a supplemental > instrument that increases safety. Some may consider this a gray area. How > was yours done and what is your IA's take on the matter? > > Glen > > *From:* John Craparo <[EMAIL PROTECTED]> > *Sent:* Sunday, February 03, 2008 7:40 PM > *To:* [EMAIL PROTECTED] > *Cc:* Bob Stearns <[EMAIL PROTECTED]> ; Ercoupe Tech > Forum<[email protected]> > *Subject:* Re: [ercoupe-tech] Attitude Gyro > > It performs almost the same way. It certainly functions as a normal > gyro, but it does not bank more than 45 degrees. So in a very steep bank, > you will not see a 60 degree indication. Pitch is just like a vacuum gyro > instrument. At 45 you get an LED warning that you are overbanking. It is > fine for my use as I fly VFR during the day in the Ercoupe... with no > aerobatics. This device also has a GPS so you have a bright visual display > of track at all times. That is nice since I do not have a directional gyro > with a heading bug, just a compass card. > > Best, > John > > > > On Feb 3, 2008 3:53 PM, <[EMAIL PROTECTED]> wrote: > > > John > > 1. Congrats on that beautifull panel! > > 2. So, does the ADI perform exactly the same function as a horizon, > > except > > its electrical and with solid state gyros? > > Eliacim > > > > > Bob, > > > > > > I have attached a picture of the ADI installed in my panel. On the > > > ground, > > > I slide the other glovebox door over the GPS giving a nice retro look > > to > > > the > > > panel when on static display. The ADI is to the top right side of the > > > GPS. > > > I mention this because the unit is shallow and leaves room where > > others > > > will > > > not fit due to the fuselage fuel tank clearance. I forget how deep > > the > > > ADI > > > is with the wiring harness, but it clears the tank by about 1/4". I > > also > > > have the battery backup option installed. When my first unit arrived, > > it > > > made a clicking noise and would not cage itself (there is not manual > > > caging > > > mechanism). I called TruTrak and they sent me a replacement before > > > removing > > > the bad one. They sent the new one in less than a week. This saved > > me > > > some > > > time and money. The deinstall and install were done at the same time > > > instead of two different operations. That was my A&P's idea and > > TruTrak > > > went along with it. I strongly suggest that you bench test the > > instrument > > > before installing it in the panel just in case it is DOI... dead on > > > install. The one I have in the other plane gave me zero problems. > > > > > > Best, > > > John > > > > > > On Feb 3, 2008 11:25 AM, John Craparo <[EMAIL PROTECTED]> wrote: > > > > > >> Bob, > > >> > > >> You may be referring to the ADI manufactured by TruTrack... > > >> > > >> http://www.trutrakflightsystems.com/instruments.htm > > >> > > >> They will supply the unit with a black and white face if you request > > it. > > >> They do not advertise it as an option. Jim the owner of the company > > >> makes > > >> up the retro version by hand. I have two of these ADI in my planes > > and > > >> like > > >> them... > > >> > > >> John > > >> > > >> On Feb 3, 2008 11:09 AM, Bob Stearns <[EMAIL PROTECTED]> wrote: > > >> > > >> > A few months back I found an electronic attitude gyro with a > > retro > > >> > (black & white) face. Now I cannot find it. Does anyone know of > > this > > >> unit? O > > >> > maybe a suggestion for a dependable electronic AG? > > >> > > > >> > __________________________________________________________ > > >> > Be a better friend, newshound, and > > >> > know-it-all with Yahoo! Mobile. Try it now. > > >> > http://mobile.yahoo.com/;_ylt=Ahu06i62sR8HDtDypao8Wcj9tAcJ > > >> > > > >> > > > >> > > > >> > > >> > > > > > > > > > > > > Glen > > > > Glen Davis > 917 297 1111 > www.ishootpictures.com > www.ercoupepilot.com >
