![](img/projectile_103.jpg)
Three launchers set up at back of lab |
![Large Bench Clamps](../../common/img/Large-bench-clamp_detail-num.jpg)
Use large bench clamps that have a handle like 1 (best)
or 2 (ok if not mounted on sink or along side bench).
Don't use clamps that have a fixed handle (3) |
![](img/projectile103_a.jpg)
Launcher #1 (left side) note offset of bench |
![](img/projectile103_b.jpg)
Launcher #2 Center |
![](img/projectile103_c.jpg)
Launcher #3 Right side |
![bench clamps](img/gun_movable3.jpg)
Clamp detail for Launcher in back of lab |
![](img/projectile103_d.jpg)
Launcher #4 Mounted on sink |
![](img/gun_sink2.jpg)
Launcher #4 clamp detail |
![](img/gun_movable1.jpg)
Launcher #5 Mounted on the movable
table from Bewkes 231, in the lab for storage |
![](img/projectile103_e.jpg)
Launcher #5 Placed in hallway
at the beginning of each lab |
![Launcher with photogate](img/launcher_gate1.jpg)
Photogate and accessory photogate
attached to launcher |
![Launcher with photogate](img/launcher_gate2.jpg)
Note orientation of gates on mounting
bracket; the timer won't work if gates are
attached to the right side of the bracket! |
![](img/gun_stuff.jpg)
Place carbon paper, 30 m tape measures (2), and plumb bobs
on instructors table |