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Thread: Keels and rudders from Venitian blinds

  1. #1
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    Default Keels and rudders from Venitian blinds

    I'm sure we have all walked or driven past a dumpster / skip and seen an old Venetian window blind.

    Well I can tell you that they make the most wonderful keels and rudders.

    I salvaged two red ones the other day, stripped them down to get the 25mm slats ~ I have realized that they make rudder and keel building a breeze.

    For the keel I used some threaded stainless rod - drilled the 4oz fishing weight put a nut on the end and tapped it back into the lead so as to bury the nut

    The slats can be cut with scissors - tape two edges together - CA the rod in position - CA the two slats together and clamp - I have also tried this with building foam between the slats and found this works just as well

    Have fun
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    Rgds
    AndyT
    Footy Pie-Rat

  2. #2
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    Default Re: Keels and rudders from Venitian blinds

    did you fill the empty void with any thing?

    I still like my rc chopper rotor blades...a bit more $$$ though...but if built properly you can move them from boat to boat and not have to build a new one each time...
    Marc

    S1M 1981
    Victoria 81
    RG65 181
    IOM 81, 681, 881

  3. #3
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    Default Re: Keels and rudders from Venitian blinds

    Andy - I do something similar but I cast carbon fiber sheets inside a old, 16 inch diameter plastic planter as my curved material source.

    Construction is similar except I use a filed down nut that is epoxied about 1/4 of an inch up inside the skins at the location of maximum chord. The bulb is then bolted onto the keel with the head of the bolt and its washer countersunk into the bulb. Plastilene is a good material to fair out the countersunk hole temporarily. Once I've decided that I like the weight and the placement of the bulb I fiberglass the bulb in place.

    Marc - I use a thin balsa rib down the maximum camber location (my rudder shaft only extends about 3/4 inch into the rudder), and a similar but thinner piece along the leading edge to hold the skins slightly apart. I like the leading edge to be a bit blunter than the trailing one. I fill the voids with West 105 epoxy thickened with Microlight 410 filler and graphite powder. I don't use much, just enough to seal the the gaps. Before Ca glueing the skins together the inner face of the rudder skins are roughed up with sandpaper. This helps make a better bond with the various adhesives.

  4. #4
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    Default Re: Keels and rudders from Venitian blinds

    on the one with no foam I just let it free flood up from the bottom - I figured it was easier to do that than worry about it

    The foam one is of course completely filled with foam and the foam sticks the whole together as it cures. I did this on the rudder section with a fiber glass rod to which I fixed the rudder horn after it went through the rudder tube

    Rgds
    AndyT

  5. #5
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    Default Re: Keels and rudders from Venitian blinds

    isn't amazing hwomany "everyday" objects we can utilize on our boats...
    Marc

    S1M 1981
    Victoria 81
    RG65 181
    IOM 81, 681, 881

  6. #6
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    Default Re: Keels and rudders from Venitian blinds

    Marc
    I find that I now look upon every thing with a Footy / Bottle Boat slant thinking can I use it?

    Fixated may be - but if I can do it for pennies mores the better for my pocket

    Rgds
    AndyT

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