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Thread: Bungee Installation

  1. #91
    Administrator Steve Pierce's Avatar
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    Default Re: Bungee Installation

    Quote Originally Posted by andya View Post
    Agree with that statement, mine were holding gear up tight afer 4-5 years when I dropped it at Steve's almost 2 years ago
    Had them put 1080HD on as per spec
    Andy, I don't see a requirement for the HD, just the 1080 unless I am missing something. Can you explain?

    http://www.aircraftspruce.com/catalo...ickkey=3010852
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  2. #92
    piperrocks2013
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    Default Re: Bungee Installation

    Quote Originally Posted by Steve Pierce View Post
    Andy, I don't see a requirement for the HD, just the 1080 unless I am missing something. Can you explain?

    http://www.aircraftspruce.com/catalo...ickkey=3010852
    Good Morning Steve and guys. I have 51 Pacer and have not looked closely at the bungee's yet. But correct me if Im wrong including to the above document the 51 used a 1380HD?? It also appears used slightly different shock strut assembly??

    Jared

  3. #93
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    Default Re: Bungee Installation

    Steve, I though I saw the 1080hd listed somewhere for the pa-22 but cant think where i had read that. might not have been been an official doc. seems like in the early days in the forum, 1080hd was the std for the 22 series. will look at my notes when i get home.

    this is probably what i had read, but might not be officially correct.

    http://www.aircraftspruce.com/catalo...ON%20CHART.pdf
    Last edited by andya; 10-12-2017 at 11:22 AM.
    "Progress is our most important problem"

  4. #94
    Administrator Steve Pierce's Avatar
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    Default Re: Bungee Installation

    Yes and we were using a 1280 because they were sagging in a year. Seems to have gone the other way now.

  5. #95

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    Default Re: Bungee Installation

    PA-12 1080HD 3/4” x 8” 950 4 or 6
    PA-12 1280HD 3/4” x 8” 950 4 or 6
    PA-14 1280HD 3/4” x 8” 950 4
    PA-16 1080HD 5/8” x 8” 900 4
    PA-18 w/Optional Hydrosorb Unit (SN up to 18-3013) 1080HD 5/8” x 8” 900 4
    PA-18 w/Standard Hydrosorb Unit (SN 18-3014 and up) 1080HD 5/8” x 8” 900 4
    PA-18A w/Optional Hydrosorb Unit (SN up to 8-2186) 1080HD 5/8” x 8” 900 4
    PA-20 (1952 Model and up) 1080HD 5/8” x 8” 900 4
    PA-22 1080HD 5/8” x 8” 900 4
    PA-22-108 1080 5/8” x 8” 750 4
    PA-25 1080HD 5/8” x 8” 900 4
    PA-25 1080HD 5/8” x 8” 900 4
    PA-20 1380 13/16” x 8” 1160 2

    This list is from AERO IN STOCK
    Last edited by eskflyer; 10-12-2017 at 07:21 PM.

  6. #96
    smcnutt's Avatar
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    Default Re: Bungee Installation

    We have a PA-22/20-135 and we just installed new 1080HD&1280HD combo on ours. That's what we had previously and they were 4-5 years old and starting to sag. Not really noticed the new ones being overly stiff. Maybe my jarring landings are masking that.
    “Seek advice but use your own common sense.”
    ― Yiddish Proverb

  7. #97
    Frank Green's Avatar
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    Default Re: Bungee Installation

    Remember early 20s narrow gear. Later 20s 22/20s wide gear. Some early 20s converted to wide gear (mine). 22s wide gear but a lot less load due to more weight on nose gear than a tailwheel but a little heavier empty weight. It's all a matter of load and leverage= ride quality and bounce. Different strokes for different folks.
    -Super Stub-

  8. #98
    cozzmo81's Avatar
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    Default Re: Bungee Installation

    Quote Originally Posted by piperrocks2013 View Post
    Good Morning Steve and guys. I have 51 Pacer and have not looked closely at the bungee's yet. But correct me if Im wrong including to the above document the 51 used a 1380HD?? It also appears used slightly different shock strut assembly??

    Jared
    Jared,

    Did you ever get an answer to your question? I have a 50 Pacer with Wide gear and need to replace my bungees. Based on the application chart from the manufacture of the bungees I need a single 1380 one each Hydrosorb unit. Is this sufficient based on others experiences or should I go with the 1380HD? Any opinions are appreciated

  9. #99
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    Default Re: Bungee Installation

    I think the arm (length of the upper tube) on the wide gear is longer. The increased length puts the hydra sorb straight up and down in comparison to the roughly seventy degree angle on the hydra sorb on the narrow gear. Due to the changes in geometry I would think that you need to beef up the bungees to what is called for on the later models.

  10. #100
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    Default Re: Bungee Installation

    Quote Originally Posted by Vagabondblues View Post
    I think the arm (length of the upper tube) on the wide gear is longer. The increased length puts the hydra sorb straight up and down in comparison to the roughly seventy degree angle on the hydra sorb on the narrow gear. Due to the changes in geometry I would think that you need to beef up the bungees to what is called for on the later models.
    I thought I read in another post that the top and bottom hydrasorb fittings were different (smaller)on the early pacers such that the early pacer fittings were not large enough to contain the two bungee setup. Do you know if this is correct? The only drawing I see in the drawing cd is for the PA-22 and I believe 53 and up pacer.
    Thanks

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