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06-26-2020, 01:03 PM
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Join Date: Jan 2018
Location: Galena, Ohio
Posts: 28
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Modest but Helpful Altimeter Improvement
The 6A I drive came with the standard 2-1/4" 0-20K' altimeter that Vans sells. Between appearing to be a little bit out of spec and (more importantly) the hard to read gauge resolution for that size of instrument, it was sort of hard to see specific altitudes at-a-glance. [It only serves as a backup to my Dynon panel, but if needed...].
So, it finally sunk in that the Vans-supplied unit is made by UMA, and that UMA also makes the same size altimeter, mounting details, etc. in a 0-10K' version that is available from ACS, etc. For my mid-America flying, that elevation range is fine, and UMA confirmed that going over 10K' MSL would not hurt the instrument.
I can now glance over and actually read what the backup altimeter is telling me. Good deal!
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2020 dues paid
RV-6A
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06-26-2020, 05:26 PM
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Join Date: Jan 2005
Posts: 4,285
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Good for you Sir.... Keep the steam gauges alive. 
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George
Raleigh, NC Area
RV-4, RV-7, ATP, CFII, MEI, 737/757/767
2020 Dues Paid
Last edited by gmcjetpilot : 06-26-2020 at 05:30 PM.
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06-30-2020, 09:55 AM
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Join Date: Apr 2011
Location: Cincinnati, OH
Posts: 2,791
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Quote:
Originally Posted by Kuhtenia
The 6A I drive came with the standard 2-1/4" 0-20K' altimeter that Vans sells. Between appearing to be a little bit out of spec and (more importantly) the hard to read gauge resolution for that size of instrument, it was sort of hard to see specific altitudes at-a-glance. [It only serves as a backup to my Dynon panel, but if needed...].
So, it finally sunk in that the Vans-supplied unit is made by UMA, and that UMA also makes the same size altimeter, mounting details, etc. in a 0-10K' version that is available from ACS, etc. For my mid-America flying, that elevation range is fine, and UMA confirmed that going over 10K' MSL would not hurt the instrument.
I can now glance over and actually read what the backup altimeter is telling me. Good deal!
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this is a good thought. when I replace my 2-1/4" 20K altimeter it will be with a 10K version. although, one time I exceeded 20K and my electrical system failed because of sleepy human error, turned the avionics master off. the steam gauges were all I had remaining. I really only needed the airspeed and compass to get down. I could hear the pleasant sound of ice departing the aircraft on the way down.
__________________
Steve Melton
Cincinnati, OH
RV-9A, Tip-up, Superior O-320, roller lifters, 160HP, WW 200RV, dual impulse slick mags, oil pressure = 65 psi, EGT = 1300F, flight hours = 800+ for all
Simplicity is the art in design.
My Artwork is freely given and published and cannot be patented.
www.rvplasticparts.com
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