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Thread: 160-180HP Super Cub at High DA

  1. #1
    Utah-Jay's Avatar
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    160-180HP Super Cub at High DA

    I am wondering how a 2000# GW Super Cub with 160-180HP handles high density altitudes? I am in Utah and home base is 5500 with some some DAs in the upper 8Ks and would be higher in some of the places I would be looking to land.

    Thoughts?

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    mvivion's Avatar
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    Quote Originally Posted by Utah-Jay View Post
    I am wondering how a 2000# GW Super Cub with 160-180HP handles high density altitudes? I am in Utah and home base is 5500’ with some some DA’s in the upper 8K’s and would be higher in some of the places I would be looking to land.

    Thoughts?
    A 160 hp Cub will do fine with just pilot, gas and a little gear. Put a 200 pounder in the back, and you’re going to need a bit of runway, as in it'll be a little "pigish".

    No experience with 180 hp Cubs at this DA, but assume they’ll be quite a bit better.

    The right Propeller is going to be a big deal. And, frankly, high DA is where a constant speed propeller really starts earning its keep.

    MTV
    Last edited by mvivion; 10-06-2020 at 02:17 PM.
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  3. #3

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    Weight is the biggest factor - I'm based at 6500 MSL and DA regularly passes 10k all summer long.
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  4. #4

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    Take off will be considerably longer but still shorter than most others

  5. #5
    windy's Avatar
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    Im in Utah at high DA too. My Cub started out with a 108hp engine. No good at all for Utah. Then I had a 150hp engine. It was adequate in the summer if loaded light, but climbed like a dog with full fuel & camping gear. Now, with the 180hp engine, I love it & the extra hp gives a bit of a margin for climbing over obstacles. If youre going to fly with 2 people in the plane, you wont be happy with the performance of a 150hp Cub in the summer.


    Sent from my iPhone using SuperCub.Org
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  6. #6
    DJ's Avatar
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    180 hp. At 1950 lbs I find that the climb really drops off above 13K msl. I average 10 min (400 fpm) from 8500-12500. It takes another 11-12 min (250 fpm) from 12500 msl to 15500 msl. This is with fairly warm temps starting at 75F and mid 40sF at altitude.

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    The heavens declare the glory of God; the skies proclaim the work of His hands. Psalms 19:1

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