what are the dimensions?
what competion was this built for, if any
23.01.2010 18:47
Aia_
Guest
45.5cm long by 14.8cm tall.
This was a practice bridge. However, I used a variation on this design at State.
24.01.2010 11:27
scioly duo
Guest
hi, we are trying to build a modified version of your bridge. we were wondering how you laminate balsa wood, as well as if you would agree with making the four (4) base posts out of 1/4" x 1/8" wood, rather than what seems to be like the 1/8" x 1/8" wood that you used.
05.02.2010 18:16
Aia_
Guest
I laminate balsa wood using pins and 5-15sec cyanoacrylate glue. Firstly, I pin down the piece I intend to laminate. Then I add the glue on the top of this piece (a little goes a long ways). To finish, I quickly "thread" the second piece of balsa in between the pins, and press down to complete the lamination.
To clarify, I actually used 1/8" square and 1/8 by 1/16" pieces for my legs, totalling to 1/8" by 3/16". I suppose you could make the base posts out of 1/4" of 1/8", but that seems like these posts would then be much heavier than they needed to be. How tall do you want your legs to be? On this bridge, the legs were only around 8cm long, so they didn't need to be very dense/large.
