Grimmjowkings Knex Machine Gun (GKKMG)

Hey guys. Havent posted anything in a while due to getting a job and studying for finals.  Without further ado I present my machine gun with a twist.  The twist is that instead of using a motor to rotate the chain a hand crank is used instead allowing for more power to be put in each shot.  Now for some pros and cons.

Pros:
High ROF
Medium Range
Looks pretty cool

Cons;
Occasionally jams

The way this mech works is by using 2 large "gears" placed at a ninety degree angle that when turned rotates the chains gear.

Hope yall like the concept and tell me what yall think in the comment section.