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Thread: It Isn't Hard to Assemble a Super Cub Or Is It?

  1. #41
    txpacer's Avatar
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    Considering how much the tail moves on a 180 hp Cub, I wouldn't even think about doing it that way.

  2. #42
    Iflylower's Avatar
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    Steve, I hope you never get sick of saving the day! Lots of good catches lately!
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  3. #43
    tcraft128's Avatar
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    Put a bow on a new can of LPS#2 when you give it back with a note on use to the owner also. That thing was DRY in every picture I saw!
    Turning money into noise since 1996

    Our Build here

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  4. #44
    Bugs66's Avatar
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    Wow, this was supposed to be a certified Cub? Scary regardless of category. Sheesh

  5. #45

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    Not sure, but I think some Citabrias depend on the wires to hold the rear of the stabs together. Of course all Cubs need those bolts.

    Our new J-3 came with one of the stab holes drilled out to match the holes in the wire fitting. Also, when removing the bird cage (!) they ground a hole in a major structural tube, then covered it over. And decided they did not like those diagonals that keep the butt rib from being pulled by the fabric, and anchored the butt rib to the next rib. Now both ribs wave at you on walk-around. That's ok, the price was right and we put a thousand hours on it after fixing a few things.

    I was timid as a 21 year old pilot, and did not get into serious stuff like carburetors - in 1965 I found the carb screen bolt glued in! Nobody has touched my airplane since then except me.

    Probably dodged a bullet today - was going to fly a Rotax Kitfox maybe 90 miles. Owner decided to truck it. Considering how expensive that gets, I wonder if he knows something I don't? Lucky day.
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  6. #46
    WhiskeyMike's Avatar
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    Looking at the last photo of the stab liner tube, I'm reminded of the many times, I've pulled apart a Cub tail and found multiple holes drilled for the stab to tube thru bolts. Or found the holes emlongated for misalignment. I suppose I'm extra fussy about this because banner planes' tails shake like heck at all times. One old timer told me about the time, the front liner tube broke and the stabilizer went 90" up against the tail wires. He said he made it about a mile up the beach before he landed, as that's as far as it would go. His solution was to install a solid bar instead of a tube. Not sure if that made it better or worse, or weaker. Darned hard to break a 1" diameter steel bar. In a southern NH shop they recently found a #10 screw instead of an AN3 bolt holding the elevator cable in a Champ. No cotter pin either. Gremlins get in there at night or what??? Any time we reassembled a plane. we did double checks, and then I sat down and drank a cup of coffee beside the airplane and thought about life for a while. Surprising what you remember.
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  7. #47
    Steve Pierce's Avatar
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    Tony was right, this Super Cub is the gift that keeps on giving. Was going to replace the flap cable from the flap handle to the fitting wher it splits to go to each wing but discovered that the person that built this Cub swedged all the cables to the fitting at the split instead of bolting the two that go out to each wing. When I tried to remove the headliner I discovered that the vinyl glued to the metal headliner at the skylight/spar carry-thru has the fuselage fabric glued to it so no way to access the pulleys where the cables exit into the wings without destroying some fabric. I was getting frustrated and was ready to splice the cable to make the extra length so pulled out AC43.13. Low and behold there was my answer.
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    I can legally splice the cable so I decided to install a turnbuckle because the likelyhood of me getting perfect length while swedging a cable inside the fuselage is pretty unlikely. Worked out great and got my zero flap and 52 degrees full deflection without any issue.
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    Got the tail back on with new jackscrew and liner tubes. Updated the photo album with more surprices and the process as well. https://photos.app.goo.gl/j3dHb5AKjxHLHsYo7
    Steve Pierce

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    Will Rogers

  8. #48
    Gordon Misch's Avatar
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    Impressed how highly experienced mechs readily look in "the book" rather than rely just on memory or "knowledge". Good job, Steve.
    Gordon

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    My SPOT: tinyurl.com/N4328M (case sensitive)
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  9. #49
    Steve Pierce's Avatar
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    Quote Originally Posted by Gordon Misch View Post
    Impressed how highly experienced mechs readily look in "the book" rather than rely just on memory or "knowledge". Good job, Steve.
    I'm lazy, I don't want to do more work than I have to but I have to do it right so someone doesn't start a thread like this about me..
    Steve Pierce

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  10. #50
    txpacer's Avatar
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    That is a neat solution to the problem. Being completely legal is bonus points.
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  11. #51
    www.SkupTech.com mike mcs repair's Avatar
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    It Isn't Hard to Assemble a Super Cub Or Is It?

    Use heat shrink tube Cut off and save one end of cable. Use heat shrink a new cable to that, and gently pull that through... measure removed cable parts. Make new one to length but leave one end unswedged pull that back through. Then swedge that end. Perfect length cable with no need for access or removing pulleys That’s how you make new Cessna cables too


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  12. #52
    Steve Pierce's Avatar
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    Quote Originally Posted by mike mcs repair View Post
    Use heat shrink tube Cut off and save one end of cable. Use heat shrink a new cable to that, and gently pull that through... measure removed cable parts. Make new one to length but leave one end unswedged pull that back through. Then swedge that end. Perfect length cable with no need for access or removing pulleys That’s how you make new Cessna cables too


    Sent from my iPhone using SuperCub.Org
    Bill Tracy showed me that trick, they use it in the airlines a lot. Since I was dealing with three different cables and would be swedging cables in the wing while standing on the floats I thought this was way easier.
    Steve Pierce

    Everybody is ignorant, only on different subjects.
    Will Rogers

  13. #53
    Steve Pierce's Avatar
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    Quote Originally Posted by txpacer View Post
    It's like a treasure hunt.
    Too bad it isn't good treasure. Kyler noticed the fabric around the D window coming out. While removing the non-standard fairing I notice that they screwed the screws into the tubing. Then I notice the flex in the fabric under the fuel tank and realized the fabric is not rib stitched to any of the tank bay ribs.
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    Steve Pierce

    Everybody is ignorant, only on different subjects.
    Will Rogers

  14. #54
    txpacer's Avatar
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    Damned kids and their "noticing stuff"

  15. #55
    www.SkupTech.com mike mcs repair's Avatar
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    Quote Originally Posted by Steve Pierce View Post
    Then I notice the flex in the fabric under the fuel tank and realized the fabric is not rib stitched to any of the tank bay ribs.
    Not really needed. Nothing is stitched under a atlee tank. But I still stitch if there is a rib there....


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  16. #56
    txpacer's Avatar
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    It seems like it would be a high wear area in the propwash without stiching

  17. #57
    CenterHillAg's Avatar
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    Quote Originally Posted by txpacer View Post
    It seems like it would be a high wear area in the propwash without stiching
    I’ve been helping a buddy stitch some recovered Super Cub wings that had been in the factory fabric from 1978, and they were stitched every 1.5” on the first few ribs from the fuselage. After that it was on 3” spacing.

  18. #58
    Hyrdflyr
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    Quote Originally Posted by mike mcs repair View Post
    Not really needed. Nothing is stitched under a atlee tank. But I still stitch if there is a rib there....


    Sent from my iPhone using SuperCub.Org mobile app
    Atlee tank stc calls for , I believe, silicone calling as adhesive to hold the fabric tight to the bottom of the tank. I'll check the stc instruction manual if anyone needs the info

    Sent from my Moto E (4) using SuperCub.Org mobile app

  19. #59
    Steve Pierce's Avatar
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    Quote Originally Posted by Hyrdflyr View Post
    Atlee tank stc calls for , I believe, silicone calling as adhesive to hold the fabric tight to the bottom of the tank. I'll check the stc instruction manual if anyone needs the info

    Sent from my Moto E (4) using SuperCub.Org mobile app
    and there are no ribs there for the fabric to drum on. Been a while since I covered wings with the Atlee tanks but I seem to remember the tank was at the bottom of the wing.

    I got the phone numbers for the previous owner and the mechanic yesterday and left them both a couple of messages. The prevous owner called me back last night. He reminds me of Sargent Schultz on Hogan's Heros. Mechanic has yet to call me back.
    Steve Pierce

    Everybody is ignorant, only on different subjects.
    Will Rogers

  20. #60
    wireweinie's Avatar
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    Quote Originally Posted by Steve Pierce View Post
    and there are no ribs there for the fabric to drum on. Been a while since I covered wings with the Atlee tanks but I seem to remember the tank was at the bottom of the wing.

    He reminds me of Sargent Schultz on Hogan's Heros.
    If you have to negotiate with him, just promise him some strudel.

    Web
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  21. #61
    Eddie Foy's Avatar
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    "I know Nothing!"
    https://m.youtube.com/watch?v=UmzsWxPLIOo


    Quote Originally Posted by Steve Pierce View Post
    and there are no ribs there for the fabric to drum on. Been a while since I covered wings with the Atlee tanks but I seem to remember the tank was at the bottom of the wing.

    I got the phone numbers for the previous owner and the mechanic yesterday and left them both a couple of messages. The prevous owner called me back last night. He reminds me of Sargent Schultz on Hogan's Heros. Mechanic has yet to call me back.
    Last edited by Eddie Foy; 08-22-2018 at 04:22 PM.

  22. #62
    WhiskeyMike's Avatar
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    Quote Originally Posted by Steve Pierce View Post
    Too bad it isn't good treasure. Kyler noticed the fabric around the D window coming out. While removing the non-standard fairing I notice that they screwed the screws into the tubing. Then I notice the flex in the fabric under the fuel tank and realized the fabric is not rib stitched to any of the tank bay ribs.
    Yeah, but the paint is nice and shiny.
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  23. #63

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    I've recovered a bunch of banner cubs my whole life. I can see how these guys had no guidance on putting this plane together and didn't look for it. They didn't want to admit they were over their head in putting together a little piper cub. However, the fuel lines, turnbuckles, cables , hardware etc. are pretty crazy. There's so much more in the photos that are not right, you couldn't list them all.
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  24. #64
    kase's Avatar
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    Will this annual cost more than 800.00 dollars?
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  25. #65
    Bearhawk Builder's Avatar
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    Where is the call out for the clevis bolts for the control system, I don't see that in the parts manual. What size where?

  26. #66
    Steve Pierce's Avatar
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    I won't call it tribal knowledge but it comes from rebuilding 5-6 Super Cubs that had never been apart and spending hours going over drawings cause I have a twisted sense of fun.
    Attached Files Attached Files
    Steve Pierce

    Everybody is ignorant, only on different subjects.
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  27. #67
    Steve Pierce's Avatar
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    Quote Originally Posted by kase View Post
    Will this annual cost more than 800.00 dollars?
    Probably a bit.
    Steve Pierce

    Everybody is ignorant, only on different subjects.
    Will Rogers

  28. #68
    www.SkupTech.com mike mcs repair's Avatar
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    Quote Originally Posted by Hyrdflyr View Post
    Atlee tank stc calls for , I believe, silicone calling as adhesive to hold the fabric tight to the bottom of the tank. I'll check the stc instruction manual if anyone needs the info

    Sent from my Moto E (4) using SuperCub.Org mobile app
    Nobody puts the silicone in. At least none I’ve seen in almost 30 years


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  29. #69
    BC12D-4-85's Avatar
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    I recall seeing no fabric under some Atlee 30 gallon tanks. Just RTV to seal the air leaks.

    Gary

  30. #70
    Bearhawk Builder's Avatar
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    Thanks for this Steve, how about at the aileron cable attach at the stick, the bolt that goes through the aileron cable link #81352-11. Would this be an AN24 clevis bolt, again the parts catalog seems to show a regular bolt but doesn't specify.

  31. #71
    Steve Pierce's Avatar
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    From my notes from disassembling
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    Steve Pierce

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  32. #72
    Steve Pierce's Avatar
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    Updated the web album with more pictures and comments. I removed the fuel valve, installed the correct fittings and most of the fuel lines that were mis-routed. Not much fun on a covered airplane.

    I guess there is a reason Cub Crafters STC calls out using the Pawnee spinner on the 180 HP Lycoming with the McCauler 1A200 prop.
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    The Pawnee front bulkhead is thicker as well.
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    Steve Pierce

    Everybody is ignorant, only on different subjects.
    Will Rogers
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  33. #73
    RaisedByWolves's Avatar
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    Man, that thing is the gift that keeps giving

  34. #74
    Stew's Avatar
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    From my notes from disassembling

    Steve, would you be able to explain why a clevis bolt is used in some locations and a plain bolt in other similar locations.
    Many thanks
    Stew

  35. #75
    Steve Pierce's Avatar
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    Quote Originally Posted by Stew View Post
    Steve, would you be able to explain why a clevis bolt is used in some locations and a plain bolt in other similar locations.
    Many thanks
    Stew
    Because that is the way Piper did it? Only thing I can think is it would be hard to get a screw driver on the head of the clevis bolt on the bottom of the rear stick. I have a 90 degree straight slit screw driver and would be no issue but that is how Piper did it. I have scoured the drawings and rebuilt 5 Super Cubs that had never been restored and documented things in pictures and notes as I desassembled so that is where my information comes from.
    Steve Pierce

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  36. #76
    Steve Pierce's Avatar
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    Quote Originally Posted by RaisedByWolves View Post
    Man, that thing is the gift that keeps giving
    Yep, thought I had an Atlee/Jensen repetitive inspection rear strut. No AD list or documentation on struts. I called the previous owner and he sent me the receipt and yellow tags for new PMA'd Lee Budde Airframes lift struts.
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    Last edited by Steve Pierce; 08-31-2018 at 08:03 AM.
    Steve Pierce

    Everybody is ignorant, only on different subjects.
    Will Rogers

  37. #77
    RaisedByWolves's Avatar
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    I can imagine there was a lot of PCW in the log's

  38. #78
    txpacer's Avatar
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    Piece of Crap Work
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  39. #79
    Eddie Foy's Avatar
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    I am guessing that the current owner didn't do a pre-buy. If I owned it, I would take legal action against the IA that signed it off.

  40. #80
    nightflyer's Avatar
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    I’m really disliking this airplane.

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