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- Joined: February 1st, 2015, 11:26 am
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- State: NY
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So far I only have data for 1/8 square sticks that range from 1.3-1.6g for 36" from specialized balsa, but it'd be great if people can add data for other densities and beam sizes for ladder boomis and other designs like 1/8 x 1/4 or something on separate sheets.
For people who are new, interested, and confused, critical load is measured by using the SFPDT(single finger push down test) and is very helpful for objectively designing boomis. SFPDT consists of using a single finger to push down on one end of a vertical balsa stick while the other end is on a scale, then recording the scale reading(the critical load). I made all my measurements on 18" sticks( roughly 45.7cm) and it'd be cool if people do the same, but if you don't want to do that
just add your stuff anyway.
Feel free to contribute, help format, etc. !
https://docs.google.com/spreadsheets/d/ ... sp=sharing
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