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Thread: PA-18A Battery

  1. #1
    kiwicubber's Avatar
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    PA-18A Battery

    Hi, we are in the process of restoring an ex top dressing (crop sprayer) PA-18A and trying to figure out where the battery is supposed to go. There are no tabs on the frame to give us a hint and it looks a bit vague in the parts book. Does it go in the top of the fuselage or on the floor behind the luggage locker?

    cheers Bill

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    Bill and Neroli.
    www.supercub.co.nz

  2. #2
    Steve Pierce's Avatar
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    Baggage floor.
    Steve Pierce

    Everybody is ignorant, only on different subjects.
    Will Rogers
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  3. #3
    kiwicubber's Avatar
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    Quote Originally Posted by Steve Pierce View Post
    Baggage floor.
    Cool thanks Steve.

    cheers Bill
    Bill and Neroli.
    www.supercub.co.nz

  4. #4
    S2D's Avatar
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    Quote Originally Posted by kiwicubber View Post
    Hi, we are in the process of restoring an ex top dressing (crop sprayer) PA-18A and trying to figure out where the battery is supposed to go. There are no tabs on the frame to give us a hint and it looks a bit vague in the parts book. Does it go in the top of the fuselage or on the floor behind the luggage locker?

    cheers Bill

    image.jpeg
    Oh Man are you gonna have fun with that!! keep us updated.
    I may be wrong but that probably won't stop me from arguing about it.

  5. #5
    Steve's Aircraft (Brian)'s Avatar
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    On our A model we moved it with the under seat STC when we did the last rebuild... better location than on the baggage floor and gives you more room back there...



    Brian


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  6. #6
    Toro's Avatar
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    Quote Originally Posted by Steve's Aircraft (Brian) View Post
    On our A model we moved it with the under seat STC when we did the last rebuild... better location than on the baggage floor and gives you more room back there...



    Brian


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    Bill:

    I recently sold my '56 18A which began its life as a top dresser in NZ. The battery was located in the top of the fuselage, right hand side just aft of the rear header tank. It was accessed via a hatch in the top of the fuselage.

    Kindest Regards;

    Chris


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  7. #7

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    Our 58 A model had it on the baggage floor and our 59 18-95 has it mounted up top. We did the same as Brian at rebuild.

  8. #8

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    This is where Piper put it. Bolts pass through the ply floor. The box part number, if I recall correctly, is unique to the PA-18A, so you're going to have find your own way for a box. Note in the photo the centre cover for the elevator cables is not fitted, but you need one.

    There are two New Zealand AD's on the PA-18A battery box, or is it one AD but you have to do two things. The placard on top of the box that you can see in the photo and the requirement to insulate the inside of the lid. Also don't stow your rifle down the left side the battery box; the barrel will short out the terminals and cause some problems which is what one hunter did!

    Andrew.
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  9. #9
    Steve Pierce's Avatar
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    Had a PA14 catch fire because a previous mechanic removed the wood strip in the top of the battery box. Battery terminal made contact with the box.
    Steve Pierce

    Everybody is ignorant, only on different subjects.
    Will Rogers
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  10. #10
    cubpilot2's Avatar
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    Quote Originally Posted by MainlandCub View Post
    This is where Piper put it. Bolts pass through the ply floor. The box part number, if I recall correctly, is unique to the PA-18A, so you're going to have find your own way for a box. Note in the photo the centre cover for the elevator cables is not fitted, but you need one.

    There are two New Zealand AD's on the PA-18A battery box, or is it one AD but you have to do two things. The placard on top of the box that you can see in the photo and the requirement to insulate the inside of the lid. Also don't stow your rifle down the left side the battery box; the barrel will short out the terminals and cause some problems which is what one hunter did!

    Andrew.

    The box in the photo is from a standard 18. The original 18A box was a flat top and had a couple of cheap latches on it. The standard 18 box is much better.
    Piper put it there for weight and balance reasons when the hopper was installed. The baggage door was developed for access to the battery and when installing the spray equipment. Didn't need any baggage when spraying.

    Relocate it. Leaving it there will always be a pain for cargo, third seat or extended baggage.
    Ed
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  11. #11
    kiwicubber's Avatar
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    Thanks for all the posts. On our PA-18-95 we returned the battery from the floor behind he baggage compartment to the upper right side behind the rear header tank as is standard. We also installed the battery access cover, as supplied by Univair. I’m in favour of doing the same with our PA-18A-150 currently under rebuild. We are also fitting a rear seat with dual controls. The battery access cover is listed on Univair website, but no door frame. Does anyone have photos/drawings of the door frame.
    Bill and Neroli.
    www.supercub.co.nz

  12. #12
    S2D's Avatar
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    Quote Originally Posted by kiwicubber View Post
    Thanks for all the posts. On our PA-18-95 we returned the battery from the floor behind he baggage compartment to the upper right side behind the rear header tank as is standard.
    Just a trivial technicality but some of the earlier cubs came with the battery in the baggage compartment so "returned" may not technically be correct.
    I may be wrong but that probably won't stop me from arguing about it.

  13. #13
    kiwicubber's Avatar
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    So far we have covered all control surfaces and flaps, sandblasted and painted fuselage, temporarily fitted new floor, and new boot cowl. Have dismantled the wings, cleaned and repaired or replaced ribs as required, and obtained 4 new spars. Today was day two of reassembling left wing. Other odds and sods have been cleaned and painted along the way.
    DSCF4044.JPGDSCF4046.JPGDSCF4048.JPG
    Bill and Neroli.
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