Scioly.org

sewforlife wrote:wow. nice. did u guys get 10th in regions?

yea...

thats awesome

lol. yeah. my school didn't do too hot either tho.

sewforlife wrote:lol. yeah. my school didn't do too hot either tho.

i second that statement.

id rather not say what place we got, cuz then ppl would laugh, and they would kno what school im from

bob3443 wrote:

sewforlife wrote:

bob3443 wrote: oh, i thought you meant 770 was the efficiency of the 1st place bridge, i'm not sure what it was.

yeah, i did mean that. by accident.
are u from hammerskjold? or churchill?

hammarskjold going to chuchill next year

ahh...churchill. good old churchill....
...

is using lower density wood a good way to lower weight or is it better to tweak with the design

gandhiji wrote:is using lower density wood a good way to lower weight or is it better to tweak with the design

i would say its better to tweak the design, because using lower density wood would make the bridge weaker, and it wouldnt be able to hold as much weight.

gandhiji wrote:is using lower density wood a good way to lower weight or is it better to tweak with the design

If your bridges are holding over the max (15kg) you can try using lower density wood where the sturcture is overbuilt. It also depends on what density wood you are currently using. If it's already light, you should try to make your design better. In some cases a combination of both would be best.

*edit*
I disagree with sewfor life, using low density wood doesn't necceraly make the bridge weaker if you use more of it.
For example.
If you use 5g worth of Xdenstiy wood, you could use twice the amount of 1/2Xdensity wood and it would still be 5g

ok thx cuz i built a 10 gram bridge that held the whole 15 kg without breaking (i used 2.2 density) so now i built the bridge over again with lighter 1.3 density and it weighs 6.2 but i need to test it out now