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  1. W

    voltage regulator

    Is it possible to put a voltmeter accross the battery terminals while the engine is running? Compare that voltage to what you're seeing on the VP-X widget. If the difference is more than 0.1 - 0.2 volts, I believe you could have a problem that needs looking into. Otherwise, as long as (like...
  2. W

    voltage regulator

    I suspect you have an internally regulated alternator. Check this out: https://planepower.aero/wp-content/uploads/2018/02/Troubleshooting-Single-Engine-Internally-Regulated-Alternators.pdf
  3. W

    voltage regulator

    The VP-X documentation discusses, in detail, the different voltage regulator requirements and interface. The VP-X planner even has a menu driven choices for Alternator/VR options.
  4. W

    Splicing Serial Connections

    I installed terminal strips. One for TX and one for RX. I have studs for ports 1 through 5, plus bus power and ground for the GPS-2020.
  5. W

    RV-8 SV-EMS-220 install location and Firewall Penetration

    Would love to see any pics of an RV-8/8A with the SV-EMS-220 install and Firewall penetrations. Anyone wanna share?
  6. W

    SV Classic Mounting

    Just saw this. I haven't flown mine yet. Still building. But, I did put it together enough to sit in the pilot's seat with the interior/seat cushions and instrument panel in place and it looks to me like the 2 7" displays will be just fine. In a perfect world, I'd have the 2 HDX displays...
  7. W

    SV Classic Mounting

    It wouldn't be difficult to fabricate a tray like the one that Dynon sells for the HDX. Anyone with rudimentary sheet metal skills and a pan brake could do it for you. I'll bet theres someone at the EAA chapter that would help. I did something a little different with my 2 7" classic...
  8. W

    SV-AP-TrimAmp yeah or nay?

    RV-8 with Ray Allen T3-12A roll and pitch trim servos wired to SV-AP-PANEL. Looks to me like the Trim Amp is optional. Anyone found it to be a real world "must-have", or no?
  9. W

    New Airmate aviation data

    Well, gee. I bought the lifetime subscription to Seattle Avionics a couple of years ago, even though my -8 wasn't flying yet. I've updated my USB drives regularly, and I don't have any problems doing so. Hope this new vendor doesn't mean my lifetime subscription is going to become worthless...
  10. W

    Seattle Avionics .....normal monthly frustration....

    I don't trust it. I don't even trust to screen saver not to F-up the DataManager downloads. I disable all that stuff when I'm running DataManager. The number of times I've pick up my laptop only to discover that "the program is not responding" have born out my mistrust.
  11. W

    Seattle Avionics .....normal monthly frustration....

    One thing I just remembered that can mess up the process is Win10's default powersave mode. Window will suspend after a set time if no activity is detected. For some reason, I don't think Win10 on my computer detects SA's DataManager downloading files in the background. I disabled the Win10...
  12. W

    Seattle Avionics .....normal monthly frustration....

    I run Parallels/Win10 on a MacBookPro/MacOS12.6.3. I have 4 Sandisk stuby 32G thumb drives. My routine is this: -Reboot Comcast broadband gateway (the longer you go without doing this, the slower it gets) -Update Parallels (Its a given) -Update Windows (Its a given, and it will be painful!)...
  13. W

    Climbing using IAS

    I was taught to bug AS for climb and VSI for descent. Outside of AP tuning, I wasn't aware this was an issue.
  14. W

    Mounting tray for SV-D700

    I don't think so. But, if you plan it out as part of your panel design, it wouldn't be all that hard to fab one up.
  15. W

    GPU vs. Battery Charger

    If I'm not mistaken, the MFJ 4230 has less than 50mV(RMS). The manufacturer's claim is less than 100mV(Peak-to-Peak), so that's approximate. But, that's pretty much the reason why I like just using a motorcycle battery for bench checking my avionics install. I just put the battery on a...
  16. W

    COMM T8 vs T25

    The T8 can be set to 25khz channel spacing. So, it would be the equivalent of the T25, with the added benefit that if you need 8.33khz channel spacing, you've got it with just a few button pushes. They're both Trig Ty91 radios that have been configured to work with the Dynon com panel.
  17. W

    GPU vs. Battery Charger

    That's great! Have you ever looked for AC in the output when that powersupply loads up? A couple of displays turned on with backup batteries charging ought to give it enough of a work out to put a Fluke with a couple of decent quality leads across the output just to look for any ripple. Its...
  18. W

    GPU vs. Battery Charger

    I was getting ready to post a couple of links about this. Looks like you beat me to it. Battery, and voltage regulator work together to provide nice DC conditioning for your avionics bus during normal operation. Make sure you've got equal quality of DC when using bench power!
  19. W

    VP-X License "Delivery"?

    How will I receive the VP-X license? I ordered it online last Saturday. Was expecting to receive an email with a link to a "license" with a long character string to enter into Skyview's VP-X setup page. So far, I haven't received anything? Did I miss something?
  20. W

    GNS 430 wiring

    That looks like a serial connection. I've got the contrail generators mapped to pin 9.
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