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Thread: Thorns in tires?

  1. #1
    Utah-Jay's Avatar
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    Thorns in tires?

    I fly a Rans S-20 but you guys are away more active than the Rans forum so I come here for info. I am about to do my check ride, did Dual Cross Country today and Solo Cross Country is tomorrow.

    That out of the way, I have a question. This morning we had a flat tire, and it was from landing in the “grass” here in Utah which apparently has thorns. I had no idea and had never looked at the tires more than to check for proper inflation in my pre-flight everyday. And yes I fly 2 hours every day 5 days a week knocking out this training.

    So, do you guy get thorns? Today we had a punctured tube, and on close inspection I removed about 30 thorns from each tire after the fact. That will now go into my post flight inspections.

    Is this a constant issue? The plane has typical 22” tires with tread, really just basic which will be changed out to 26’s next spring.

    Thanks in advance,

    Jay

  2. #2
    Gordon Misch's Avatar
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    Put some self sealing goop in the tube????
    Gordon

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  3. #3
    windy's Avatar
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    Welcome to flying in Utah.
    It’s easier to fix a flat on Bushwheels because there is no inner tube. If you fly on tires with tubes, make sure to bring a buddy along to help get the plane jacked up to fix the flat.


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  4. #4
    Gordon Misch's Avatar
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    Windy, what do you rely on? Tire goop? What brand?
    Gordon

    N4328M KTDO
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    Thorns are a big issue here in South Africa where they are everywhere and take no prisoners. I have done bush pilot training in Alaska but quickly learned that landing off airfield in the parts of the country where I fly is a quick invitation to three flat tyres. I have found that the only thing that works is not goop but Kevlar linings - and so far I have found those only for my mountain bike tyres. The solution for the aircraft is using only prepared runways cleared of thorns.


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  6. #6
    Steve Pierce's Avatar
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    I have always used Stan's Tire sealant in Bushwheels. We have mesquite here in Texas and have pulled a mesquite branch with thorns off a tire and the hole plugged. Got a thorn in a brand new tire and added the Stan's after the fact. Custome said he never had a issue with a leak untill he woe the tires out and took them out of service. Only experience I have with tubed tires was a Sunday morning rescue where someone rolled a tire off a wheel full of green slime. We looked like we had slaughtered a Martian. I don't think Slime is a good brand for aircraft tires.
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    Steve Pierce

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  7. #7
    n40ff's Avatar
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    I recall 30 mile 100cc motorcycle trail racing in Co back in the 60's it was cactus. We used Pet Milk which was pretty disgusting when you finally changed the tire. Got to be something better now?

  8. #8
    windy's Avatar
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    Quote Originally Posted by Gordon Misch View Post
    Windy, what do you rely on? Tire goop? What brand?
    Stan’s.
    I’ve never had a flat. Cross my fingers. But I’ve bailed out a few friends with my tire patch kit in the backcountry who didn’t use Stan’s.

  9. #9
    Eddie Foy's Avatar
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    How many ozs of Stan's for a 29 Bushwheel?
    "Put out my hand and touched the face of God!"

  10. #10
    Steve Pierce's Avatar
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    Quote Originally Posted by Eddie Foy View Post
    How many ozs of Stan's for a 29 Bushwheel?
    4 ounces each tire was what Bushwheel Bill told me years ago.
    Steve Pierce

    Everybody is ignorant, only on different subjects.
    Will Rogers
    Thanks Eddie Foy thanked for this post
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  11. #11

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    Quote Originally Posted by n40ff View Post
    I recall 30 mile 100cc motorcycle trail racing in Co back in the 60's it was cactus. We used Pet Milk which was pretty disgusting when you finally changed the tire. Got to be something better now?
    Old Enduro trick, that worked but sure stunk if you shredded a tube.
    Remember, These are the Good old Days!

  12. #12
    Crash, Jr.'s Avatar
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    Quote Originally Posted by Eddie Foy View Post
    How many ozs of Stan's for a 29 Bushwheel?
    The newest guidance there is 4oz per tire on 26's, 6oz for 29/31" tires and 8oz for 35's.
    Thanks Eddie Foy thanked for this post

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