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Best way to drill out prop hole?

Discussion in 'General Discussion' started by insatiable, Oct 15, 2013.

  1. insatiable

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    Anyone have a good procedure for holding the prop secure when drilling out the smaller hole on the tri-blade props to the Phantom size?? I tried it holding the prop by hand and that didnt work very well.
     
  2. baja5b-ss

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    Best way I would have thought is if you no somebody with access to a lathe, failing that I vice maybe be used but holding centre could be tricky.

    sent from a GS4 using tapacrap now Free
     
  3. miskatonic

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  4. Ots

    Ots

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    Typically prop reamers are used to enlarge an existing hole. They are available in both standard and metric sizes.
     
  5. martcerv

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    I agree easily the best way to enlarge a hole, I couldnt find a prop reamer in Australia but had to order some bits in the US so added a prop reamer with it. I tried drilling some holes but this was a bit of a fail the reamer worked great though.
     
  6. insatiable

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    Thanks for all the good advice.
     
  7. TickTock

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    The big question, IMO, is where do you find a broach that will ream the hole *and* leave the key indention.
     
  8. miskatonic

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    You don't need to leave a key indentation. Just tighten the prop down. It will be fine.
     
  9. TickTock

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    Yeah - that's what I do. Still, I'd like to have a broach and would appreciate if anyone who found a source would post it.
     
  10. jumanoc

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    No reamer found, so I DYI with a medium sized "closed" scissors, turning and pressing slowly until I got exact hole for motors shaft. :ugeek:
    I worked with plastic propellers, then with graupners and finally with my tri-blades. Post-balance with Du-Bro balancer was a breeze.

    [​IMG]
     
  11. PJA

    PJA

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  12. rilot

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    Those are junk.
    I bought one and it was blunt before I'd even finished reaming 1 APC prop. By the time it was finished, the chocolate cake I was eating while reaming was sharper.

    A good vice and pillar drill setup or just do it by hand with scissors or a sharp drill.