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Old 05-23-2009, 09:10 PM   #1
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Default How heavy is the TA05 carbon tub?

Hi, has anyone ever compared the weight of the Tamiya ltwt carbon lower deck to the standard plastic one? I was hoping for the exact difference in ounces or grams...
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Old 05-23-2009, 11:20 PM   #2
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Hmmmm. That would be a lot of work to strip my carbon tub down. But just my plastic tub is 149.3 grams.
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Old 05-24-2009, 06:11 AM   #3
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I have both tubs and can tell you that the carbon version is light enough that with a dimpled bottom lipo Orion race spec 3800mAh you need a lot of weight to get to the legal 1500grams we have to abide by. You need over 200 grams which is the difference between this lipo and the 6 cell 4600mAh Nimh I used to run.
From what I remember when I built the car, the difference is small enough that you wouldn't feel it by hand which I estimate would be in the low tens of grams, perhaps less than 50grams.
I woud have to dismantle the car to tell you exactly though and I am way too lazy to do that.
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Old 05-24-2009, 10:36 AM   #4
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Thanks for the replies. Hopefully if someone reading this buys a new tub, they can weigh it before installing. I'm not too worried about getting to a 1500 gram minimum so I was curious to see how much wght reduction the carbon tub could get me without taking the plunge to buy it.
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Old 05-24-2009, 06:49 PM   #5
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Remember too though that the carbon tub is stiffer, which means you might loose some traction on low bite tracks. You would have to readjust your suspension to compensate.
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Old 05-25-2009, 07:52 AM   #6
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hi,

Curious, I bought a carbon fiber tub today. Uncalibrated scale...

plastic tub around 155gm
carbon fiber tub around 150gm

only around 5 to 7 gm difference. carbon fiber also has more holes... if you made the same holes with the plastic tub you might end up with same weight.

carbon fiber tub much stiffer, especially front to back bending. as to which has the tweak, i could not tell.
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