# Help With A CAD Drawing?

**URL:** <https://forums.yoyoexpert.com/t/help-with-a-cad-drawing/57837>\
**Category:** Yo-Yo Mods and Maintenance\
**Created:** [August 13, 2013, 1:15am UTC](https://forums.yoyoexpert.com/t/help-with-a-cad-drawing/57837 "2013-08-13T01:15:11Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![ShiiFtyy](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/shiiftyy/32/1406_2.png) [@ShiiFtyy](https://forums.yoyoexpert.com/u/ShiiFtyy)\
**Post date:** [August 13, 2013, 1:15am UTC](https://forums.yoyoexpert.com/t/help-with-a-cad-drawing/57837/1 "2013-08-13T01:15:11Z")

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The title is pretty explanatory - I’ve it made, however I’m extremely unsure about the weight it possesses. I use AutoCAD2013, and every time I use massprop, I get a number of around 20 for mass and volume. However there’s no units, and when I used the density of the material aluminum 6061, which is 2.7, I’d multiply it to the mass (20.1746), to get, what i am assuming the weight is, 54.47142.

IF that is the weight, it’s severely underweight, and not to mention, I am unsure if the properties of the object is even the aluminum, and I am not just putting it aesthetically.

PLEASE, haha, correct me if I am wrong. I’m obviously not a professional :D, and would appreciate all the help I can get. .-. Please be friendly though :wink:

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**Author:** ![Yummy](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/yummy/32/14065_2.png) [@Yummy](https://forums.yoyoexpert.com/u/Yummy)\
**Post date:** [August 13, 2013, 2:37am UTC](https://forums.yoyoexpert.com/t/help-with-a-cad-drawing/57837/2 "2013-08-13T02:37:32Z")

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Generic CAD tip: Most software packages don’t explicitly state units when they spit out data. Look through the various preferences dialogues to see and change what units values are being measured in.

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**Author:** ![da5id](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/da5id/32/48214_2.png) [@da5id](https://forums.yoyoexpert.com/u/da5id)\
**Post date:** [August 13, 2013, 11:58pm UTC](https://forums.yoyoexpert.com/t/help-with-a-cad-drawing/57837/3 "2013-08-13T23:58:54Z")

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> [@ShiiFtyy](#):
>
> The title is pretty explanatory - I’ve it made, however I’m extremely unsure about the weight it possesses. I use AutoCAD2013, and every time I use massprop, I get a number of around 20 for mass and volume. However there’s no units, and when I used the density of the material aluminum 6061, which is 2.7, I’d multiply it to the mass (20.1746), to get, what i am assuming the weight is, 54.47142.
> 
> IF that is the weight, it’s severely underweight, and not to mention, I am unsure if the properties of the object is even the aluminum, and I am not just putting it aesthetically.
> 
> PLEASE, haha, correct me if I am wrong. I’m obviously not a professional :D, and would appreciate all the help I can get. .-. Please be friendly though :wink:

Sounds correct actually. Don’t forget the bearing, axle and response add some weight.

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<div class="post-metadata">

**Author:** ![ShiiFtyy](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/shiiftyy/32/1406_2.png) [@ShiiFtyy](https://forums.yoyoexpert.com/u/ShiiFtyy)\
**Post date:** [August 14, 2013, 12:02am UTC](https://forums.yoyoexpert.com/t/help-with-a-cad-drawing/57837/4 "2013-08-14T00:02:07Z")

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> [@da5id](#):
>
> Sounds correct actually. Don’t forget the bearing, axle and response add some weight.

Oh yeah! In my worry I have completely forgot to factor that in 🙂  
Thanks for the input ;D