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How could I Improve pt 2

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  • How could I Improve pt 2

    CAD!

    http://i276.photobucket.com/albums/k...6.pngTroubloon

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    • How could I Improve pt 2

      Is this overweight?

      http://strickenone.proboards99.com/index.cgi?action=display&board=teamww&thread=352&p age=1http://strickenone.proboards99.com/i...teamww&thread= 352&page=1

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      • How could I Improve pt 2

        Kodys unreliable weight check:

        Shocking

        Motors = 24kg
        Batteries = 14.4kg
        Wheels and gearing = ~20kg
        Armour (minus front) = ~20kg
        Chassis = ~15kg
        Front platings = ~5kg - 10kg
        Rest = ~10kg
        TOTAL = ~108.4kg - 112.4kg

        So yeah, its kinda overweight.

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        • How could I Improve pt 2

          Ill work on it

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          • How could I Improve pt 2

            Ahem. To help Kody along

            Top and bottom plate:

            (l x b x h in dm)

            per plate: 9 dm x 9 dm x 0.05 dm = 4.05 dm3
            So 2 plates: 4.05dm3 x 2 = 8.1 dm3

            Ti= 4.5 kg/dm3

            8.1 dm3 x 4.5 kg/dm3 = 36.45 kg

            Subtract the wheel holes (I dont know the width of the wheels so I went for 10cm wide and 10cm long holes, 16 in total):

            16 x (1 dm x 1 dm x 0.05 dm)= 0.8 dm3

            0.8 x 4.5 = 3.6 kg

            36.45 kg - 3.6 kg = 32.85 kg

            And thats just top and bottom, never mind the sides, skirts and shovels.

            I think you need to slim down even more than Kody thinks. And some astute readers now also understand that drilling holes to save weight is really nickels and dime work.

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            • How could I Improve pt 2

              How about now?

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              • How could I Improve pt 2

                If you post stats or the link...

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                • How could I Improve pt 2

                  ^original link^

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                  • How could I Improve pt 2

                    Borrowing Leos calculations, the top and bottom plates, with 3mm titanium, now weigh...

                    21.87kg without holes, and 19.71kg with holes.

                    Not counting the 1mm aluminium in behind the front set-ups, of course

                    (Message edited by kodster on August 11, 200

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                    • How could I Improve pt 2

                      quote:

                      Not counting the 1mm aluminium in front of courseor the sides, or the back, or the skirts.

                      Btw Liam, what makes you so sure that you will get all that power to the ground as you say in your stats? (edit, never mind, I presume you refer to the 8 wheels)

                      (Message edited by leorcc on August 11, 200

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                      • How could I Improve pt 2

                        Meh

                        Time to scrap this useless idea

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                        • How could I Improve pt 2

                          And you thought I was joking when I said you would have a cardboard armoured box.

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                          • How could I Improve pt 2

                            After some calculations I managed to work out the idea Liam had, but then in a way that you still have 16kg left for a scoop with a 5mm Ti armour all round but no skirts though and exposed wheels. (you have to do something when you are bored to tears in a hotelroom ). I collected all data from robotmarketplace and overdimensioned pretty much everything to account for additional mounting and bracing.

                            I wont enter it as a vapour though, I cant stand wedge boxes. But if Liam wants it he knows how to reach me.


                            (Message edited by leorcc on August 12, 200

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                            • How could I Improve pt 2

                              Kody, could you do some renders for me?

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                              • How could I Improve pt 2

                                I asked him that a couple of months ago - what happened to Knyfes render?

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