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2 1/4 inch ASI and Alt

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willie.harrison(at)tinyon
Guest

Posted: Fri Feb 01, 2008 3:16 am Post subject: 2 1/4 inch ASI and Alt

Hi folks



What experience does anyone have of 2 1/4 inch ASI and Altimeters  

suitable for EFIS backup?



Thanks in advance



Willie Harrison



G-BZNY

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trevpond(at)aol.com
Guest

Posted: Fri Feb 01, 2008 4:09 am Post subject: 2 1/4 inch ASI and Alt

Hi Willie,

    

   I have both in my aircraft (G-LINN), in fact I seem to remember you took a photo!

    

   My EFIS has not been the most reliable part of the aeroplane, in fact it's been out of the aeroplane and back to the States 4 times.  Both myself and the factory got so fed up that they recently sent me a new upgraded unit.

 

 I am so glad that I had a full set of 2 1/4 flying instruments and these have enabled me to carry on flying whilst the EFIS has been away.  All of my instruments are Winter, bought from RD Aviation and I have never had a problem with them.

 

 regards

 

 

 

 Trev Pond

 

 

 --

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josok-e(at)ukolo.fi
Guest

Posted: Fri Feb 01, 2008 4:12 am Post subject: 2 1/4 inch ASI and Alt

Hi Willie,



When i built the panel, i was looking around, and they were far more expensive. But that's old knowledge. Managed to squeeze normal size a ASI and ALT together with 2 two and a quarter inch fuel level and diff pressure and the Dynon D180 into the mono panel. So it IS possible  

http://www.europaowners.org/modules.php?set_albumName=Instument-panel&id=IMG_0078&op=modload&name=gallery&file=index&include=view_photo.php

is a picture of the panel.



Regards,



Jos Okhuijsen

Visit -  www.EuropaOwners.org

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willie.harrison(at)tinyon
Guest

Posted: Fri Feb 01, 2008 5:47 am Post subject: 2 1/4 inch ASI and Alt

Just saw it was Winter, not Witter - sorry for misunderstanding...

On 1 Feb 2008, at 12:05, trevpond(at)aol.com (trevpond(at)aol.com) wrote:

[quote]Hi Willie,

  

 I have both in my aircraft (G-LINN), in fact I seem to remember you took a photo!

  

 My EFIS has not been the most reliable part of the aeroplane, in fact it's been out of the aeroplane and back to the States 4 times.  Both myself and the factory got so fed up that they recently sent me a new upgraded unit.

 

 I am so glad that I had a full set of 2 1/4 flying instruments and these have enabled me to carry on flying whilst the EFIS has been away.  All of my instruments are Winter, bought from RD Aviation and I have never had a problem with them.

 

 regards

 

 

 

 Trev Pond

 

 

 --

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jimpuglise(at)comcast.net
Guest

Posted: Fri Feb 01, 2008 7:10 am Post subject: 2 1/4 inch ASI and Alt

Willie-

  

 I used 2 1/4 UMA directly from Aircraft Spruce.  I have tach, ASI, and fuel gauges.  The Garmin 396 is backup for altitude and ASI.  If you have a GPS, it may back up several of your EFIS functions, obviating the need for steam gauges.  The 396 has battery backup so is an excellent backup.  Can't say how it will all work yet because it is still under construction.

  

 Jim Puglise A-296.

  

  ?Europ  [quote][b]

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rick(at)amimotormanagemen
Guest

Posted: Fri Feb 01, 2008 7:29 am Post subject: 2 1/4 inch ASI and Alt

Hi Willie



Long time no see!!



I put 2 1/4 into my RV7A at Cambridge and don't ever remember looking at

them.  The twin GRT EFIS are just the bees knees. 



Regards



Rick



G-RIKS

G-RMRV



--

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DuaneFamly(at)aol.com
Guest

Posted: Fri Feb 01, 2008 9:15 pm Post subject: 2 1/4 inch ASI and Alt

Willie,

  

 Still building, but this is my panel so far. But use the Dynon EFIS D-100,  with it's internal battery back-up, as the main instrument, with the  four  2 1/4" back-ups below. AOA to the right of the Dynon. The two quad gauges to the  left now have a three position rotary switch so I can monitor all six cylinder  temps. The only change so far is that I have replaced the redundant tachometer  with a GT-50 from ACS. Though primarily for a G-meter, it is wired to my  Emergency buss so that it's voltage reading will be my "Fuel guage" in the event  of a alternator failure.

 My right side panel has my circuit breakers, transponder, Nav/Comm, and a  Garmin 296 GPS. The GPS also has it's own internal backup battery.   

 Mike Duane  A207A

Redding, California

XS Conventional Gear

Jabiru 3300  

Sensenich R64Z N

Ground Adjustable  Prop





Who's never won?  Biggest Grammy Award surprises of all time on AOL Music.

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rampil

Joined: 04 May 2007
Posts: 870

Posted: Sat Feb 02, 2008 7:40 am Post subject: Re: 2 1/4 inch ASI and Alt

Jim,



Be very careful!  Your 396 can give you ground speed, not ASI.

Don't find out the difference hard way if your EFIS fails during a 

tailwind!

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_________________
Ira N224XS

jimpuglise(at)comcast.net
Guest

Posted: Sat Feb 02, 2008 8:26 am Post subject: 2 1/4 inch ASI and Alt

Ira-

  

 I may have said it incorrectly.  I have a 2 1/4 ASI that is totally independent of the Dynon ASI and fed by the Eurpoa pitot-static, so should not need to depend on the GPS for airspeed.  I have both the Eurropa and Dynon ASI/AOA probes on my port wing and they operate totally independently.  The only thing in common is a shared static source comming from the Europa ASI.  I may have misstated in my earlier e-mail.  I am particularly anxious to see how the Dynon AOA indicator works.  The theory is very simple and seems like a great solution. 

  

 Thanks --

  

 Jim 

  

  ve Sea  [quote][b]

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