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Thread: a arms

  1. #1
    RC Competitor
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    a arms

    ive noticed some summits being upgraded to aluminum instead of plastic. are they stronger and lighter?

  2. #2
    Marshal ksb51rl's Avatar
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    Quote Originally Posted by wldcntryboy1 View Post
    ive noticed some summits being upgraded to aluminum instead of plastic. are they stronger and lighter?
    Summit are using aluminum Revo arms. I write it this way because:
    - I don't consider aluminum arms an upgrade
    - I have yet to see extended wheelbase (Summit) rear arms in aluminum
    - I believe front aluminum arms must be modified to clear the Summit shafts

    I've never heard of aluminum Revo arms being lighter.
    They may be stronger. I've had some Revo arms break in the past couple years due to high speed ERBE crashes, but arms are not Summit parts that are often broken.
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  3. #3
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    I don't suggest aluminum a-arms because of one main thing: aluminum bends. If you are only crawling, then I think they'd work pretty much like the stockers, at hi-speed though; a hard crash and they'll bend.
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  4. #4
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    it makes sense, and thank you for the advice

  5. #5
    Marshal ksb51rl's Avatar
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    One more thing: I run mostly on rocks. I've had/used/been around enough aluminum parts to have felt the slices and needles of ripped-up aluminum on my fingers. I don't like that and it's not a problem with plastic.
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