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Thread: 1/8 Scale Turn Fins.

  1. #1
    Join Date
    Nov 2008
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    Default 1/8 Scale Turn Fins.

    Just a quick question on 1/8 scale turn fins for you guys over there in the States.
    Are there rules governing the style of fin on a 1/8 scaly hydro?
    I mean, as in a straight canted fin or a hooked fin.
    If there are no rules, what tends to be the preferred style?
    Cheers.
    Paul.

  2. #2
    Join Date
    May 2008
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    TX
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    There are at least two sanctioning race bodies that I am aware of and then there are local club rules as well. I can tell you here is the rule book for Namba racing:
    http://namba.com/content/library/rul...a_rulebook.pdf See section 21 and 28(electric specific rules) I have seen them both ways, slightly hooked in and also just straight. I have not raced the 1/8 scales yet, so others may have more knowledge on this. I do have one 1/8 scale and am building my second as we speak. There is a the National Boat Race (Namba) happening in Dallas in one month and they are runing 1/8 scale in a spec. class.

  3. #3
    Join Date
    Sep 2007
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    Co
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    3,832

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    I run in NAMBA and Mostly FE no rules on shape. A long time ago there wa a rule on Position but not any more.
    Randy
    For ABS, Fiberglass, Carbon hulls and Stainless hardware
    BBY Racing

  4. #4
    Join Date
    Apr 2007
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    ON
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    Default

    I just looks at the rule book for IMPBA FE - 1/8 scale
    NO mention of rule for turn fin.


    Best turn fins for 1/8 scale Hydro's or other large boats.
    https://www.rcgroups.com/forums/show...nium-Turn-Fins
    or contact Randy directly at :
    randy_rap@cogeco.ca

    Larry
    Last edited by TRUCKPULL; 03-21-2019 at 11:03 PM.
    Past NAMBA- P Mono -1 Mile Race Record holder
    Past NAMBA- P Sport -1 Mile Race Record holder
    Bump & Grind Racing Props -We Like Em Smooth & Wet

  5. #5
    Join Date
    Aug 2010
    Location
    VA
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    Default

    The best turn fins for 1/8th scale (and many others) are from Dick Tyndall but unfortunately due to said popularity he has quite a back log of orders.
    Futaba Team Driver
    - IMPBA Hydro Technical Director -

  6. #6
    Join Date
    Apr 2019
    Location
    FL
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    1

    Default

    I thinks everything ok
    Best my personal site here

  7. #7
    Join Date
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    Default

    Sorry guys.
    I didn't notice the last few posts until just now.
    Thanks for the information guys. It is much appreciated.

    In the interest of scale, I went with an Accu-Tech straight fin with a home made angled bracket.

    thumb-006.jpg

    thumb-007.jpg

    Cheers.

  8. #8
    Join Date
    Feb 2010
    Location
    MI
    Posts
    957

    Default

    As I said before all my 8th scale turn fins start here; https://zippkits.com/index.php?main_...roducts_id=697
    ~~~~~~~~`Mach 5 racing'~~~~~~~~~~~~
    ****2008/9 MMEU LSO, 2008 LSH CHAMP****
    ~~~~~~~70 MPH Club Member!~~~~~~~~~

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