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Glass Panels

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ahinsdale(at)yahoo.com
Guest

Posted: Tue Nov 20, 2007 7:45 pm Post subject: Glass Panels

Hello Listers!



Does anyone out there run JUST an EFIS, or does

everyone have "backup" steam gauges?  I am primarily

interested in the EFIS for its overall simplicity and

potential weight savings - but the need for "backups"

could erode that very quickly.



Thanks

Andy Hinsdale

Be a better sports nut!  Let your teams follow you 

with Yahoo Mobile. Try it now.  http://mobile.yahoo.com/sports;_ylt=At9_qDKvtAbMuh1G1SQtBI7ntAcJ

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craig(at)craigandjean.com
Guest

Posted: Tue Nov 20, 2007 8:24 pm Post subject: Glass Panels

I'm backing up my EFIS (MGL Enigma) with an MGL Flight 2. I went with 

an EFIS to get rid of mechanical gauges so why bring them back as a 

back-up? The Flight 2 can be powered from Enigma's "secure" supply 

(primary and secondary batteries) or, if I am really paranoid, will run 

from a 9 volt battery for more than an hour. In a 3.5 inch package it 

provides (among other things):



    * Altimeter (-700ft to >40.000ft range)

    * Airspeed indicator (16-250 mph range)

    * Analog VSI (+/-1600 ft/min range)

    * Digital VSI (+/-10.000 ft/min range)

    * Automatic flight duration timer

    * Real time clock for local time and flight log use

    * Engine RPM gauge, programmable for different engine types

    * Density altimeter

    * Barometer (actual local pressure)

    * True airspeed (TAS display)

    * Stopwatch



www.mglavionics.co.za/Docs/flight2.pdf



-- Craig

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psm(at)ATT.NET
Guest

Posted: Tue Nov 20, 2007 10:09 pm Post subject: Glass Panels

Hi Andy,



My plane is not done yet, so I am not really using 

anything.  However, my plan is to have only EFIS/EIS from Dynon with 

no "Backup" gauges.  I do have an LRI I built while waiting for my 

wing kit, but I don't consider it a backup for the EFIS.



The reason I don't feel a need for steam gauge backup for the EFIS is 

I don't plan to fly my plane under IFR.  The EFIS actually makes a 

very nice and complete panel for occasional instrument flight, but 

since it is a single box it would not be reasonable to depend on it 

for planned IFR flying.  That is because a single failure in the EFIS 

could leave you with no way to fly the plane.



In my case the EFIS is itself a backup for visual control with 

outside reference.  If you are planning a real IFR plane then I would 

suggest you add at least a turn and bank indicator along with an 

altimeter and probably airspeed for partial panel flight if the EFIS 

croaks.  Perhaps a GPS could be used for the altitude and speed, but 

there is no way to fly in IMC without at least one gyro instrument.



Good luck,



Paul

XL fuselage

At 07:44 PM 11/20/2007, you wrote:

 	  Quote: 	
		  



Hello Listers!



Does anyone out there run JUST an EFIS, or does

everyone have "backup" steam gauges?  I am primarily

interested in the EFIS for its overall simplicity and

potential weight savings - but the need for "backups"

could erode that very quickly.



Thanks

Andy Hinsdale

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DRAGONFUEL(at)aol.com
Guest

Posted: Tue Nov 20, 2007 11:16 pm Post subject: Glass Panels

The Dragonfly Aviation N601BA is licensed as an ELSA and is used for flight  training for hire.  We installed the Dynon EFIS 100 and EMS 120 -- ONLY,  with no backup.  We did not believe that any other back up, other than  "look out the window" was needed.  Sport aircraft were designed to emulate  the early simple airplanes, such as the J-3 Cub and flown for "fun" in VFR  condition.  No gyros are required for VFR flight.  The Dynons are  probably overkill, but do make flying with them almost a dream.  Why try to  simplify your airplane by eliminating duplication and then add it back.   Personally I believe that in the long run the Dynons are simpler to operate,  cheaper to purchase and install, and will require less maintenance over the life  of the airplane.  Every flight instructor is supposed to teach every  student pilot to fly his/her airplane without reference to any instrument except  sound and feel, and be able to land it safely in an emergency.  Those two  Dynon monitors, or a single Dynon 180 are all you need, IMHO.

  

 Cheers,

  

 Bob Archibald

 CH601XL/Lyc 125hp/Dynons/400 hrs.

 Dragonfly Aviation

 Santa Rosa, CA

  

 PS  I have been a "lurker" on this list for about 2 years, work with  Michael Heintz's Quality Sport Planes in California.  I have met a number  of you at various airshows and corresponded with several of you directly.   I may now post directly to this list from time to  time.



Check out AOL Money & Finance's list of the hottest products and top money wasters of 2007.

  [quote][b]

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Jaybannist(at)cs.com
Guest

Posted: Wed Nov 21, 2007 5:38 am Post subject: Glass Panels

To all of you contemplating glass panels:



My panel and wiring is complete. Almost. When I powered it up, the Dynon EMS-D10 would not light up.  I disconnected the 37-pin connector and found that the two wires that provide power to the unit do not have continuity between the connector pins and the ends of the wires.  This is part of an assembled cable from Dynon.  I had checked all the connectors that I made, but failed to check this pre-wired cable.  



Now I have this cable that is bundled with all the other "spaghetti" behind the panel and I will either have to replace the cable or try to repair the connector in-place.  Neither is an appealing option.



Moral:  Test ALL the cables for continuity BEFORE you install them, even factory supplied cables.  



Jay in Dallas  601XL N2630J

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dj45

Joined: 25 Jul 2006
Posts: 92
Location: Jackson MI

Posted: Wed Nov 21, 2007 5:52 am Post subject: Re: Glass Panels

Andy,



I agree with Paul & Bob.  If all else fails, look out the window.

Much nicer out there than staring at a panel anyway.

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_________________
Do not archive

Dan Stanton
N801S CH 801
N226BS CH701
N24DS CH750

Gig Giacona

Joined: 10 Jan 2006
Posts: 1416
Location: El Dorado Arkansas USA

Posted: Wed Nov 21, 2007 6:37 am Post subject: Re: Glass Panels

It is my plan to go with a Dynon EFIS. I will also have a Garmin 496 in the panel and as I have written here before I've tested flight under a hood with ONLY the GPS derived 6-pack in the Garmin.



That said I will be leaving spots available for both AS and Alt should I decide to get my IFR ticket in the plane.

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_________________
W.R. "Gig" Giacona
601XL Under Construction
See my progress at www.peoamerica.net/N601WR

amyvega2005(at)earthlink.
Guest

Posted: Wed Nov 21, 2007 4:41 pm Post subject: Glass Panels

i am all dynon  100 and 120 with no Back up steam guages, its a waist of weight and money.  want insurance, get the back up battery and  compass.  you can see my lay out on zentih website.  

To test it i shut the master switch off and flew a few touch and goes on just B/U battery on EFIs.  did just fine.  Used hand held for radio work.

Juan



--

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MaxNr(at)aol.com
Guest

Posted: Wed Nov 21, 2007 9:35 pm Post subject: Glass Panels

Old (at)#%s don't do glass very well. With almost 1,000 hours with a high end system, I still caught myself watching the standbys during take off and other critical flight phases. The glass just had so much detail and clutter. More if you went into "reversion" and combined the EADI with the EHSI or vice versa. If you didn't like your readings, switch your panel to the co pilot's air data computer. I'm retired now. Starting with the fact that an experimental requires no instrumation at all for day/vfr. That said, I like to put the hood on and stay proficient. I do like the idea of the Dynon 120 all in one box. The downside is when you crank up hundreds of miles from home and the screen goes black. With the old round gauges, you could find a quick replacement or go VFR with what you have remaining. You could even limp home with only an oil press if you had to. It would have to be a real pretty day though. 

 

 Bob

 Do not archive

**************************************

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