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Thread: Aeronca 7AC STCs

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  1. #1

    Join Date
    May 2012
    Posts
    118

    Aeronca 7AC STCs

    Does anyone have familiarity with the Wagner STC SA3-372 for installation of the Lyc. O-235 and TCM O-200 ? I have heard that the STC does NOT require the installation of the large vertical fin. Is this so ? I also see that Bill Panake's recent STCs are also contain this small fin provision. I do not have the details of Bill's STCs, but would like to know if his STCs include an O-200.

    Also has anybody ever heard of anyone installing a Citabria vertical tail and rudder onto a 7AC ?

  2. #2

    Join Date
    Jul 2012
    Location
    Circle Pines MN
    Posts
    243
    I'm not familiar with the STC's from Buzz.
    You may get a much quicker and better response from the National Aeronca Assoc. Facebook page. The web site still exists, but it's nearly a ghost town and unfortunately everyone has gone over to the FB page.

    https://www.facebook.com/groups/105851332789460/

  3. #3
    Buzz Wagner's STC SA3-372 does NOT require the dorsal fin installation, but recommends it. His son Cole is still selling them and can be reached at 605-532-1305
    Robert Szego
    bellanca-championclub.com
    aeronca.org

  4. #4

    Join Date
    May 2012
    Posts
    118
    Well......... that phone number is no longer in service.

  5. #5
    L16 Pilot's Avatar
    Join Date
    Jul 2011
    Posts
    187
    Can't help you with the phone number but I used the STC to install a 0200 in my L16 (7BCM). It's pretty "straight forward" but leaves a lot to your imagination. Basically the STC was originally written to install the 0235 in the Champ which is pretty detailed. Almost seems like the 0200 installation was written as an afterthought as some items are not covered well. I had a devil of a time getting the air cleaner to exit the nose bowl in the original spot. Was it worth it? Absolutely and I think the Lycoming installation would be well worth the effort too depending on what you're looking for and how much work you want to do. I don't know if this is any help but the Wagners lived in Clark, South Dakota. Buzz passed away several years ago but to my knowledge Cole is still around and the large tail is not part of the STC but 'recommended' for spin recovery (for what ever that's worth).
    If God had intended man to fly He would have given us more money!

  6. #6
    flyunleaded's Avatar
    Join Date
    Jul 2011
    Location
    Sisters, OR
    Posts
    29
    As I understand it, if you do NOT modify the dorsal fin, you cannot increase the gross weight above the original 1220 lbs.

    Read the STC very carefully.

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