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  #11  
Old 02-15-2022, 08:08 AM
bjdecker's Avatar
bjdecker bjdecker is offline
 
Join Date: Jun 2005
Location: Georgetown, TX
Posts: 1,156
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Quote:
Originally Posted by Utah-Jay View Post
Question, I will have a 195hp O-360 that will be gravity fed, the above says the red is for a fuel pump. Which fuel flow should I use?
An FT-60.....
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RV-7 (Flying)
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  #12  
Old 04-28-2022, 04:58 PM
darata darata is offline
 
Join Date: May 2016
Location: Bend, OR
Posts: 59
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Quote:
Originally Posted by Planecrazy232 View Post
Dave,

While we have your ear, have the dependability of the red cubes been improved? They seem to have a bad rap out there. I made it 450hrs before mine started intermittently giving zero readings and back to normal several times a flight. What are the usual failure modes and why?
Apologies for the tardy reply. Unfortunately, it's difficult to find the time to frequent the forums as often as I'd like.

Regarding reliability, I think the "bad rap out there" is likely due to the fact that you rarely read about a product that is functioning as it should and typically only read about the ones that are not. We ship hundreds of flow transducers each month and see very few premature failures in comparison. Not only do we use them with our systems, so do Dynon, Garmin, Insight and many other manufacturers. As such, there are quite a few of our flow transducers in the market. Having said that, we of course cannot lay claim to 100% reliability and are aware of failures. The installation instructions should be carefully followed, paying special attention to isolation from heat and vibration as they are the leading contributors to damaged electronic devices.

Erratic indications are typically the symptom operators notice first. This can be an indication of loose, corroded, or otherwise bad connections. It can also be due to debris in the transducer, or even a trapped air bubble. If you are experiencing erratic indications, I recommend reviewing the aforementioned possibilities. If after having done so, the erratic indications persist, the transducer may be damaged internally and requires replacement. It is difficult to determine the nature of a failed transducer as the unit is sealed and any attempt to dissect the transducer typically results in further damage to the internal components.

If anyone would like to discuss further, please send me a PM, send me an e-mail at support@iflyei.com or give me a call at 541-318-6060.

Dave
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  #13  
Old 04-29-2022, 09:03 AM
TS Flightlines TS Flightlines is online now
 
Join Date: Apr 2010
Location: Ridgeland, SC
Posts: 3,042
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I'd like to go on record and give a shout out to Dave and the staff at EI. We probably have plumbed more flow tranducers in a variety of aircraft than maybe any other company out there. As such, while there have been some funny readings every now and then with no real reason, that % is very low as compared to the number of cubes out there world wide. While there maybe others, I personally know of 5 that seem to have a mind of its own.

Overall, an excellent unit.
Tom
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Teflon Hose Assemblies for Experimentals
Proud Vendor for RV1, Donator to VAF
RV7A Tail Kit Completed, Fuse started-Pay as I go Plan, on hold while we develop new products for RV builders
Ridgeland, SC
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