So a while ago, august last year I asked for some good information about trebuchets.
Science behind a trebuchet
Well we completed the project not so long ago and now I'm posting the results for the people who are interested. The site where I usually upload pics to is gone and I have a replacement however I don't know if it works, they are prommising to pay a couple of cents per 1000 views so there must be a catch of some sort. I't may not work or you can get some advertisement or something...
Anyway, we built a trebuchet
To give you an idea of the size, total arm lengt about 2,10 meters height heigt from ground to axle is 1,20 meters.
click for bigger image
We used 17,5 and 21,0 kilograms as the counterweight and a tennisball filled with sand as a projectile. (There are only a few lightweight counterwieghts on the pic because this was for the picture)
The results are here:
results
(Well the site sucks I'm going to look for a new one.)
Science behind a trebuchet
Well we completed the project not so long ago and now I'm posting the results for the people who are interested. The site where I usually upload pics to is gone and I have a replacement however I don't know if it works, they are prommising to pay a couple of cents per 1000 views so there must be a catch of some sort. I't may not work or you can get some advertisement or something...
Anyway, we built a trebuchet
To give you an idea of the size, total arm lengt about 2,10 meters height heigt from ground to axle is 1,20 meters.
click for bigger image
We used 17,5 and 21,0 kilograms as the counterweight and a tennisball filled with sand as a projectile. (There are only a few lightweight counterwieghts on the pic because this was for the picture)
The results are here:
results
(Well the site sucks I'm going to look for a new one.)
