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  1. #176
    norbique's Avatar
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    RE: Norbert's 1.1m balsa cat build

    You can import the PDF file into Corel, then select all and enlarge by % of your choice. Look for a 100% somewhere near the top of the page, and adjust that to the needed %. Mine is adjusted to 166%, you'll need probably around 200% for the size you want.

    I am thinking of making a mould from the wooden cat. Time will tell...
    For the lithium cat plans visit: https://www.dropbox.com/sh/i3zono9mxmuqv5c/pH3bpspsAc
    Dropbox link: http://db.tt/qZEFcjGa

  2. #177
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    RE: Norbert's 1.1m balsa cat build

    Thanx Norbique

    I will try it sometime this week....onlything i thought about was where to find simular Arneson scale Drives at a low price...if i find low price hardware i can begin to build..anybody got ideas...i know this came up some where in a post but do know where....they have to be for a 1m35cm size boat..
    Thanx guys

    Another thing...why iam i having trouble uploading a photo of 304kb...? it seems to lockup on uploading.....any ideas ?

  3. #178
    norbique's Avatar
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    RE: Norbert's 1.1m balsa cat build

    a sneak peak Never before published photo....
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    For the lithium cat plans visit: https://www.dropbox.com/sh/i3zono9mxmuqv5c/pH3bpspsAc
    Dropbox link: http://db.tt/qZEFcjGa

  4. #179
    norbique's Avatar
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    RE: Norbert's 1.1m balsa cat build

    Update:
    I glued the strakes?! on the bottom of the hull. I'll post a pic later.
    For the lithium cat plans visit: https://www.dropbox.com/sh/i3zono9mxmuqv5c/pH3bpspsAc
    Dropbox link: http://db.tt/qZEFcjGa

  5. #180
    norbique's Avatar
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    RE: Norbert's 1.1m balsa cat build

    photos
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    For the lithium cat plans visit: https://www.dropbox.com/sh/i3zono9mxmuqv5c/pH3bpspsAc
    Dropbox link: http://db.tt/qZEFcjGa

  6. #181
    norbique's Avatar
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    RE: Norbert's 1.1m balsa cat build

    just to shake up tis dusty thread a little bit:

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    For the lithium cat plans visit: https://www.dropbox.com/sh/i3zono9mxmuqv5c/pH3bpspsAc
    Dropbox link: http://db.tt/qZEFcjGa

  7. #182
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    RE: Norbert's 1.1m balsa cat build

    can't believe my eyes m8....

    She looks like a boat from HansPeter..

    A lot of work and time pays off m8......she's wonderful....well done...
    Dont suppose you can PM me with the plan of the rudder extention please m8....i can see how you did it but a plan would help a great deal...

    keep up the good work......got to see some super stickers on her soon....

  8. #183

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    RE: Norbert's 1.1m balsa cat build

    were do you get plans to make a boat from start to finish like this ? awsome thread
    Neil

  9. #184

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    RE: Norbert's 1.1m balsa cat build

    Amazing thread this i can wait to see this in water and get started on my own, it will be my first build but looks like i am on the right forum for help and advise

    Neil

  10. #185

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    RE: Norbert's 1.1m balsa cat build




    when you was saying you should of fibreglassed the frame etc before you started do you mean near everything in these pictures then build it up while it is still wet,?

    i am onabout the pictures from one of your first posts
    Neil

  11. #186
    norbique's Avatar
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    RE: Norbert's 1.1m balsa cat build

    Hey Colossus, I just PM'd you.
    Neil, let me think how to solve the size issue with the PDF file. I'll get back to you.

    About fiberglassing, yes and no.
    One could foberglass both sides of the balsa before cutting out the bulkheads. Then cut the bulks after it's dry, and glue them together.
    Another aproach would be to not use balsa at all and go with multi layer ply instead. lot stronger, bit heavier as well.

    I began installing the hardware, both motors inside.
    Still have to do a lot of things with the drive line. I need to make new shafts, couplers etc. I need to shring the ESCs. I need batetry holders and so on.... Lot of work very little time. I want to make the boat RTR by Sept 10.
    For the lithium cat plans visit: https://www.dropbox.com/sh/i3zono9mxmuqv5c/pH3bpspsAc
    Dropbox link: http://db.tt/qZEFcjGa

  12. #187

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    RE: Norbert's 1.1m balsa cat build

    are there any modifications to the boat that you have made or is it built right of plan, only the running gear is a personal choice  ?
    Neil

  13. #188
    norbique's Avatar
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    RE: Norbert's 1.1m balsa cat build

    Running gear is a personal choice. You can either use cheap chinese stuff or the swiss ultra pricey precision stuff.
    I didn't alter the plans too much. I had to design some extra parts. Some of those are on the plans. Some aren't as I haven't drawn them on the computer as well.
    For the lithium cat plans visit: https://www.dropbox.com/sh/i3zono9mxmuqv5c/pH3bpspsAc
    Dropbox link: http://db.tt/qZEFcjGa

  14. #189

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    RE: Norbert's 1.1m balsa cat build

    you any further with this build fella ?
    Neil

  15. #190
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    RE: Norbert's 1.1m balsa cat build

    Yes, I switched to using Turnigy 180A ESCs and the boat is slowly nearing it's completion. I'm machining prop shaft couplers and so on. Will post pics later.
    For the lithium cat plans visit: https://www.dropbox.com/sh/i3zono9mxmuqv5c/pH3bpspsAc
    Dropbox link: http://db.tt/qZEFcjGa

  16. #191
    norbique's Avatar
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    RE: Norbert's 1.1m balsa cat build

    I finished machining / welding the prop-shafts and I'm going to solder the flex cables inside the other end of the couplers. My soldering iron broke, so I'm halted now...
    For the lithium cat plans visit: https://www.dropbox.com/sh/i3zono9mxmuqv5c/pH3bpspsAc
    Dropbox link: http://db.tt/qZEFcjGa

  17. #192

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    RE: Norbert's 1.1m balsa cat build


    ORIGINAL: norbique

    Yes, I switched to using Turnigy 180A ESCs and the boat is slowly nearing it's completion. I'm machining prop shaft couplers and so on. Will post pics later.
    you running the same motors with these fella ?

    Neil

  18. #193
    norbique's Avatar
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    RE: Norbert's 1.1m balsa cat build

    yes, i'm running two big t600 turnigy outrunners @ 6S.
    For the lithium cat plans visit: https://www.dropbox.com/sh/i3zono9mxmuqv5c/pH3bpspsAc
    Dropbox link: http://db.tt/qZEFcjGa

  19. #194
    norbique's Avatar
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    RE: Norbert's 1.1m balsa cat build

    photo update
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    For the lithium cat plans visit: https://www.dropbox.com/sh/i3zono9mxmuqv5c/pH3bpspsAc
    Dropbox link: http://db.tt/qZEFcjGa

  20. #195

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    RE: Norbert's 1.1m balsa cat build

    aw man, that's a really nice build, I cannot wait to see it on the water (I'm sure you can't either )

    cheers
    Martin

  21. #196
    norbique's Avatar
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    RE: Norbert's 1.1m balsa cat build

    yes Martin, I'm also very eager to see it on the water. Weather is too cold now. I don't have a resque wessel at hand.
    On the other hand, th eboat is still not ready. Some minor things are yet to be done.
    For the lithium cat plans visit: https://www.dropbox.com/sh/i3zono9mxmuqv5c/pH3bpspsAc
    Dropbox link: http://db.tt/qZEFcjGa

  22. #197
    norbique's Avatar
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    RE: Norbert's 1.1m balsa cat build

    Finally it had it's first test run!
    Graupner 47mm carbon reinfoced nylon props used. I wanted to be gentle on the motor/ESC for the first time.
    I was afraid to pull full throttle, i need to get used to the boat first.
    GPS measured 85km/h

    and excuse me for the bad quality vid...

    [youtube]http://www.youtube.com/watch?v=kFY4TGhaedE[/youtube]
    For the lithium cat plans visit: https://www.dropbox.com/sh/i3zono9mxmuqv5c/pH3bpspsAc
    Dropbox link: http://db.tt/qZEFcjGa

  23. #198
    norbique's Avatar
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    RE: Norbert's 1.1m balsa cat build

    The two new props, ~90% sharpened and balanced.
    I was about to try them today, but weather conditions weren't good. Too strong wind. I hope I can try them very soon!
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    For the lithium cat plans visit: https://www.dropbox.com/sh/i3zono9mxmuqv5c/pH3bpspsAc
    Dropbox link: http://db.tt/qZEFcjGa

  24. #199

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    RE: Norbert's 1.1m balsa cat build

    That is a very nice boat. Just a question, how did you make the strakes?

  25. #200
    norbique's Avatar
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    RE: Norbert's 1.1m balsa cat build

    The strakes are made out of rectangle cross section pine stipes.
    I used a sanding machine to sand off the excess wood resulting in a triangle cross section.
    I finished them by hand, sanding it so that it tapers at the front of the boat.

    I had the chance to run the boat with the octuras. Top speed (GPS measured) was 104km/h.
    [youtube]http://www.youtube.com/watch?v=rtZ5aI3BgF4[/youtube]

    another one:
    [youtube]http://www.youtube.com/watch?v=wkx0DaFfvfE[/youtube]
    For the lithium cat plans visit: https://www.dropbox.com/sh/i3zono9mxmuqv5c/pH3bpspsAc
    Dropbox link: http://db.tt/qZEFcjGa


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