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Type: Posts; User: timotb

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    Oil and Fuel pressure VDO sensors

    Anyone know the correct ohm range for the Oil and Fuel pressure VDO sensors running on an AFS-3500 s-type and a Lycoming YIO-360-M1B? I found a VDO oil pressure sender 0-145 psi 10-184 ohms w/11 psi...
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    I dont disagree. Heading seems to be correct and...

    I dont disagree. Heading seems to be correct and an I felt and noted a temperature drop on the 3500 from the ground (25c) to 14c at altitude. I might consider a recalibration of the magnetometer. ...
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    Wind calculator error on 3500

    Does anyone else doubt their wind calculator? Took a x-country flight yesterday and return. In both directions, the wind calculator on the AFS-3500 identified quartering tailwinds at about 23...
  4. Simular question. Need to buy replacement fuel...

    Simular question. Need to buy replacement fuel (no number found) and oil pressure (p/n 41115) sensors. Both are threaded metallic cylinders. Where can I purchase? AFS-3500 engine sensor package...
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    the hard mount might be the issue

    the hard mount might be the issue
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    I was really just hoping for a general discussion...

    I was really just hoping for a general discussion about the reliability of this particular fuel flow transducer. My default plan is to remove it since it has never really given data that could be...
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    Red Cube failure?

    This is for an RV7 with a Lycoming IO360, Silverhawk fuel injector using AFS3500. A Red cube fuel flow transducer is mounted directly after, and attached to the fuel injector. It was working for...
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    ok....Shawn saves the day. "Disp" stand for...

    ok....Shawn saves the day. "Disp" stand for display... unnecessary abbreviations can be puzzle to decipher

    18.6/15 x 680 = 843

    thanks
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    Fuel Flow Calibration

    I need to adjust my K-factor. It is currently set at 680. This IO360 engine used 15.0 gallons in 1.76 hobbs hours. The fuel flow computer says it used 18.6 gallons. I would adjust the k-factor...
  10. Zero pitch setting and Ground Speed indication

    Im flying a RV7A with a 180 hp engine. AFS 3500, afs auto pilot and garmin 430

    Getting serious about instrument flying again and find flying an EFIS under the hood different than the archaic...
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    Just wondered if there was any prognosis on the...

    Just wondered if there was any prognosis on the returned rpm sensor?
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    1.Replaced the Oil sensor last summer, then threw...

    1.Replaced the Oil sensor last summer, then threw it out since new one was showing higher and normal numbers.

    2. A restrictor fitting for the fuel pressure sensor was mentioned in the manual,...
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    Three Sensor failures in less than 60 hours

    I have to report my dissatisfaction with AFS engine sensors. Three failures within the first 60 hours of a new RV. Oil Temperature, Fuel Pressure and Tachometer sensors.
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    I emailed a screen shot of both left and right AD...

    I emailed a screen shot of both left and right AD values as per Shawn's request to info@advanced-flight-systems.com. I calibrated the left tank as per this forum thread above ...
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    Today, (before seeing your post Shawn) I...

    Today, (before seeing your post Shawn) I calibrated the left tank from empty to full as I done several times before. The difference today is I manually set each value to zero before filling then...
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    Hi Rob. We spoke about this issue by phone maybe...

    Hi Rob. We spoke about this issue by phone maybe a week ago. You suggested to put a meter on the sensor float and check for Ohms to be between 40-240 as the arm moved. Also you raised the question...
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    Right you are. I had an older manual.

    Right you are. I had an older manual.
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    So the SD card must be installed at all times? ...

    So the SD card must be installed at all times? That solved it. I thought the files were loaded and saved on internal memory. I see runways and HITS. thanks. Always something simple.
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    Last I left off on this frustrating issue, I sent...

    Last I left off on this frustrating issue, I sent a pic of the tank calibration numbers and they were all the same on each side around 800 or 900. I've been playing around with this on and off for a...
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    Today flew 2 different ILS and same...

    Today flew 2 different ILS and same LOC......everything worked fine. Must have been user error the other day.
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    Is this a setting on the 3500, the 430 or a...

    Is this a setting on the 3500, the 430 or a wiring issue? Still need a pic of the "about" screen?
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    Thought I had this problem solved. At last post...

    Thought I had this problem solved. At last post I flew 2 practice VFR ILS and a LOC. The ILS approaches were text book on autopilot. Today I flew same ILS and LOC. The LOC on both were...
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    I will send a pic of the screen next time I get...

    I will send a pic of the screen next time I get to the hangar. Today I gathered this info:

    s/n 61368
    sw: s8.8.25-mv16 April 11,2014
    os: 842 January 13, 2011
    fs: 1.13
    ic: 4.1
    vp-x na...
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    KCAK KAKR. I just downloaded and installed both...

    KCAK KAKR. I just downloaded and installed both updated software for the 3500 and synthetics this spring. I will check for actual version numbers on the about screen on my next visit to the plane.
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    synthetic vision

    I have a 3500 s model with upgraded synthetic vision. I see lakes but no runway markings. Am I missing something?
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