VansAirForceForums  
Home > VansAirForceForums

- POSTING RULES
- Donate yearly (please).
- Advertise in here!

- Today's Posts | Insert Pics


Go Back   VAF Forums > Main > RV General Discussion/News
Register FAQ Members List Calendar Search Today's Posts Mark Forums Read

Reply
 
Thread Tools Search this Thread Display Modes
  #11  
Old 10-18-2019, 01:41 PM
rocketman1988 rocketman1988 is offline
 
Join Date: Jun 2010
Location: Sunman, IN
Posts: 1,837
Default And

I just read an article on the cies (?) sensors. Need to research but they look really nice...
__________________
Bob
Aerospace Engineer '88

RV-10
Structure - 90% Done
Cabin Top - Aaarrghhh...
EFII System 32 - Done
297 HP Barrett Hung
ShowPlanes Cowl with Skybolts Fitted - Beautiful
Wiring...

Dues+ Paid 2019,...Thanks DR+
Reply With Quote
  #12  
Old 10-19-2019, 07:22 AM
Thermos's Avatar
Thermos Thermos is offline
 
Join Date: Jan 2005
Location: KASH
Posts: 442
Default

Quote:
Originally Posted by ssonixx View Post
I can use some help. Has anyone successfully interfaced the Princeton multi-point fuel senders to talk to teh Garmin G3x system?
I might be able to help as I just finished calibrating the Princeton senders on my RV-7. Mine are two-point but the process is similar. Can you tell me which RV you’re building and which capacitive plates/probes you’re using?

Dave
__________________
Dave Setser
RV-7 skin, bones, muscle, heart and nervous system complete...down to the last 10 percent
Nashua, NH (KASH)
Putting the "slow" in slow-build since 2004!
Reply With Quote
  #13  
Old 10-19-2019, 07:38 AM
nilberg nilberg is offline
 
Join Date: Dec 2012
Location: Katy, TX
Posts: 217
Default

I also plan to use the Princeton 2 point converters with Vans capacitive plates.
I was unaware of the power issues when using them with GEA 24, do any other builder experience with this combination would be helpful.
__________________
__________________
Bjorn N - RV 7 in progress
Katy, TX
http://www.mykitlog.com/N741BN
Reply With Quote
  #14  
Old 10-19-2019, 11:40 AM
Thermos's Avatar
Thermos Thermos is offline
 
Join Date: Jan 2005
Location: KASH
Posts: 442
Default

Quote:
Originally Posted by nilberg View Post
I also plan to use the Princeton 2 point converters with Vans capacitive plates.
I was unaware of the power issues when using them with GEA 24, do any other builder experience with this combination would be helpful.
Bjorn,

That’s exactly the configuration that I have and I had no problems powering the converters from the GEA-24.

I’m not sure which Princeton probes/converters Garmin refers to in the G3x install manual as consuming too much power. I measured the current draw of my 2-point converters and they only draw 8 ma, well below the GEA-24’s limit of 50 ma.

Everything worked as advertised when I calibrated the senders and G3x using Princeton’s and Garmin’s instructions.

HTH

Dave
__________________
Dave Setser
RV-7 skin, bones, muscle, heart and nervous system complete...down to the last 10 percent
Nashua, NH (KASH)
Putting the "slow" in slow-build since 2004!

Last edited by Thermos : 10-19-2019 at 11:49 AM.
Reply With Quote
  #15  
Old 10-19-2019, 12:04 PM
rocketman1988 rocketman1988 is offline
 
Join Date: Jun 2010
Location: Sunman, IN
Posts: 1,837
Default possible...

I spoke with Todd at princeton some time back about this. I think part of the confusion is that princeton makes capacitance SENSORS and they also make a capacitance CONVERTER/INTERFACE.

After speaking with him, it was apparent that the sensors (the black puck with the tube that goes in the tank) does NOT need a converter; it outputs a variable voltage based on the capacitance sensed. This output works just fine with the GEA24.

The CONVERTER/INTERFACE is to be used when you use a home rolled setup, usually with plates in the tank. This black box converts a variable capacitance to a variable voltage to be used with the GEA24, and may require more power than the GEA24 can reliably provide.

I have corresponded with several people that are using the princeton sensors with the GEA24 without any issues...

Look at the probe sensors and converters here:

https://www.princeton-electronics.com
__________________
Bob
Aerospace Engineer '88

RV-10
Structure - 90% Done
Cabin Top - Aaarrghhh...
EFII System 32 - Done
297 HP Barrett Hung
ShowPlanes Cowl with Skybolts Fitted - Beautiful
Wiring...

Dues+ Paid 2019,...Thanks DR+
Reply With Quote
  #16  
Old 10-19-2019, 01:01 PM
g3xpert's Avatar
g3xpert g3xpert is offline
 
Join Date: Sep 2010
Location: Olathe, KS
Posts: 2,557
Post

Quote:
Originally Posted by rocketman1988 View Post
The CONVERTER/INTERFACE is to be used when you use a home rolled setup, usually with plates in the tank. This black box converts a variable capacitance to a variable voltage to be used with the GEA24, and may require more power than the GEA24 can reliably provide.
Hello Bob,

While it is true that some of the Princeton converters require more power than is available from the highly regulated +12V transducer power outputs on the GEA 24, we have never heard of this being a problem since these converters all seem to be capable of being powered directly from aircraft power.

Thanks,
Steve
__________________
Garmin G3X Support
g3xpert@garmin.com
1-866-854-8433 - 7 to 7 Central Time M to F
Please email us for support instead of using Private Messaging due to the limitations of the latter.
Reply With Quote
  #17  
Old 10-19-2019, 02:28 PM
rocketman1988 rocketman1988 is offline
 
Join Date: Jun 2010
Location: Sunman, IN
Posts: 1,837
Default thanks!

Yes, I guess I wasn't clear.

My point was that the Princeton sensor probes seem to work fine with the G3X system and a converter is not necessary...

Thank you for your input!
__________________
Bob
Aerospace Engineer '88

RV-10
Structure - 90% Done
Cabin Top - Aaarrghhh...
EFII System 32 - Done
297 HP Barrett Hung
ShowPlanes Cowl with Skybolts Fitted - Beautiful
Wiring...

Dues+ Paid 2019,...Thanks DR+
Reply With Quote
Reply


Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

vB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Forum Jump


All times are GMT -6. The time now is 04:56 PM.


The VAFForums come to you courtesy Delta Romeo, LLC. By viewing and participating in them you agree to build your plane using standardized methods and practices and to fly it safely and in accordance with the laws governing the country you are located in.