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  1. M

    Garmin GNS 750 vs Avidyne IFD 540

    In FMS/FPL, hit ENTR, Set ORIGIN to your home field or wherever you want to start from.
  2. M

    JPI EDM 3.49 Firmware Update

    Mine does the same thing... usually during cruise. I thought it was an intermittent connection but now it sounds like a bug.
  3. M

    Off to prison for you sir!

    You'll love this... http://www.aaipu-bcaa.com/FinalReports/N444HA_Final_Report.pdf
  4. M

    Should I rebuild my old air pump?

    Tempest SL-001... "...Conditions such as heat, oils, solvents may shorten the useful life of the urethane shear coupling. To prevent failure, Aero Accessories, Inc. recommends the coupling be replaced every six (6) years..."
  5. M

    Transponder going bad?

    The problem is more likely a leaky capacitor (220uf) in the turn-on delay/SPI timing circuit. I've had to replace several over the years. PM sent.
  6. M

    Experimental Aircraft vs the AD

    http://vansaircraft.com/pdf/service_letter_soft_rivets.pdf
  7. M

    Liabilities of the A/HB builders

    Obtained from the EAA's website. Note the last paragraph. Don't know if it's true or not. I've done some searching in 8130.2 but couldn't find anything relevant. Is the 24 month transponder test (per FAR 91.217 & 91.413) required for a homebuilt aircraft? How about the pitot static test (FAR...
  8. M

    Liabilities of the A/HB builders

    I currently have an umbrella policy with Liberty Mutual. It says the following... EXCLUSIONS - This policy does not apply to personal injury or property damage arising out of the ownership, maintenance, use, loading or unloading of any aircraft.
  9. M

    crossfeed a garmin 300xl and 396. Is it worth it?

    Yes, I've done that in the past and I think it's worth doing if you have no plans to upgrade to something else. The 300XL provides "aviation out" to the 396 and it downloads waypoint and route info to the 396.
  10. M

    dynamic balance of a propeller

    From AC20-37E Aircraft Propeller Maintenance (page 28).... (c) For aircraft or propeller manufacturers that provide procedures for dynamic balancing of the propeller in their maintenance manuals or instructions for continued airworthiness, propeller balancing is not considered a major airframe...
  11. M

    X-aviaonics

    I just bought Xavion , too, and the first thing I noticed is that it does not recognize my Levil mini G AHRS. Email sent to developer for help. Update: Not sure why but it started working today.
  12. M

    Dynamic Prop Balancing

    Hartzell's "Propeller Owner's Manual and Logbook," Manual #115N, is FAA Approved and gives detailed information about dynamic balancing in the maintenance section. Here are some quotes from the manual... "The purpose of this manual is to enable qualified personnel to install, operate, and...
  13. M

    stuck ident?

    Electrolytic... 220uf @ 16V. Transponder is 30-40 years old.
  14. M

    stuck ident?

    Glad to hear the repair is holding up. Hopefully, you'll get several more years of service. Regarding the troubleshooting procedure, nothing magical but you do have to understand how the transponder works. In this particular case, the same R/C timer is used for turn-on delay and ident. The cap...
  15. M

    stuck ident?

    Thanks...! I do monitor several forums, including this one, on a regular (daily) basis. Always looking to learn something new. I'll try to post my two-cents worth whenever I can add some value to the discussion...:smile: Mike
  16. M

    stuck ident?

    Small world... I'm the guy that repaired your transponder. The capacitor was part of an RC circuit that controls the timer for the ident circuit. It also controlled the turn-on delay when turning the unit on. As the capacitor warmed up, it would fail and prevent the timers from completing their...
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