Recent content by Rob58

  1. Rob58

    From pilot to A/P?

    First of all, let’s not consider mid-50s “late in life”. I’d really like to have those 15 years back, but I live by the attitude that there is still a lot of future to live for. I’ve been wrenching on airplanes for 50 years and do not have an A&P ticket. Until recently this was never a problem...
  2. Rob58

    Eight alternators in 24 months!

    Dan your information is very valuable and completely logical. Hope the OP can solve his problem. I'm going to follow your advice on the ballast resistor. I will also follow the installation instructions from the 182 manual since I do not have, and cannot obtain, the details of the installation...
  3. Rob58

    Eight alternators in 24 months!

    Every time an electrical load hits your system there is a mechanical force generated when your alternator responds to this. I had a situation where my anti-collision light (still using incandescent lamps) was placing a sudden load on my alternators every few seconds. I was surprised at the...
  4. Rob58

    Garmin 215

    Anyone have access to the install manual for the GNC-215?
  5. Rob58

    Who is Kurt Wrobel, Maurus Logan, Thomas & Betts?

    Thank you Dave, nice tribute to the spirit of American innovation. Find a need and then persevere to fill the need.
  6. Rob58

    Pitot Pressure vs Airspeed

    A question for the engineering arm of the POA brain trust. I’m trying to understand how an instrument shop calibrates an airspeed indicator and also to find the associated tables of pressures. It seems that this would be very simple if all an airspeed indicator concerned itself with was the...
  7. Rob58

    Alternator Mounting Problem

    Quick update - I have been persistently reaching out to Hartzell in addition to the STC owner attempting to obtain documentation on the correct installation configuration. I was pleasantly surprised to actually receive a personal response from Hartzell with the promise to conduct some research...
  8. Rob58

    Alternator Mounting Problem

    Picture of the mounting bracket below. I'm assuming all of the black dust is from the brushes. Hi Dave - good to cross paths... hope all is well! Part of my conundrum here is to understand the role of a rubber washer or rubber bushing. Does a rubber part even belong in this assembly? If so is...
  9. Rob58

    Alternator Mounting Problem

    Thanks for the feedback! This alternator was installed about 550 hours ago as a generator to alternator upgrade on my Commander 500A Colemill. Engine TCM IO520-E. I agree that someone likely mixed up some of the parts and that's what I am trying to figure out. Even with the vibration problem the...
  10. Rob58

    Alternator Mounting Problem

    Noticed my alternator (ES-4011) has a fair amount of movement in the lower bracket attach point contributing to excess vibration and wear. I pulled the unit and examined all of the mounting hardware and discovered several problems as shown. Trying to find an assembly drawing but Hartzell tech...
  11. Rob58

    Meletron Pressure Switches

    Very helpful - I might be able to use these. Thanks!
  12. Rob58

    Meletron Pressure Switches

    Back in the heyday of GA a company by the name of Meletron made a variety of pressure switches for pneumatic, fuel & hydraulic systems. These units found application in various high end GA aircraft include some bizjets. My Aero Commander has several of the Meletron switches performing different...
  13. Rob58

    Side Window Installation Sealant

    This picture you posted illustrates the transition that I want to accomplish installing the side windows - a narrow border of sealant between the edge of the window frame tapering out by .25" - looks good and should create a great seal. I am putting the sides windows (with frameless vent window)...
  14. Rob58

    Side Window Installation Sealant

    No doubt there are dozens of sealant/adhesives out there, but some must be better than others. I want to install some side windows. Looking for a material that will handle the bonding task but will also allow me to form a nice tapered border to smooth out the step between the aircraft skin and...
  15. Rob58

    Oil Leakdown – What’s the Source?

    This is very helpful feedback, thanks! Based on these comments I'm not going to worry too much about the pint of oil leaking out of the filter adapter. However I do want to figure out this high oil pressure reading on my instrument panel gauge (it's one of those 3-in-1 gauges). Seems like the...
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