Thread: How do those winch-loaded shooters work?
View Single Post
  #10   Spotlight this post!  
Unread 20-01-2010, 00:45
RRLedford RRLedford is offline
FTC 3507 Robo Theosis -- FRC 3135
AKA: Dick Ledford
FRC #3135 (Robotic Colonels)
Team Role: Mentor
  
Join Date: Jan 2010
Rookie Year: 2009
Location: Chicago, IL USA
Posts: 286
RRLedford has a reputation beyond reputeRRLedford has a reputation beyond reputeRRLedford has a reputation beyond reputeRRLedford has a reputation beyond reputeRRLedford has a reputation beyond reputeRRLedford has a reputation beyond reputeRRLedford has a reputation beyond reputeRRLedford has a reputation beyond reputeRRLedford has a reputation beyond reputeRRLedford has a reputation beyond reputeRRLedford has a reputation beyond repute
Re: How do those winch-loaded shooters work?
Team 3135, Robotic Colonels, F.W.Parker - Chicago IL

We are looking for cheaper ways to have a programmed windup with instant release of tension at any point in the wind up cycle (no gate latches, thank you). This way we can control the strength of shots in programming
We also want the winder scheme to quickly transition from release to starting next pull cycle without wasting time going through 180 degrees of rotation at a slow RPM.
Finally, we want ALL the energy stored sent to the kicker, not wasted on spinning up some freewheeling masses or linkages that remain attached to the tensioning cable after release. It should be like with a crossbow, where only the string's mass is added on to the mass of the arrow being accelerated.
We are prototyping such a scheme now & should be firing kicks off by Friday.

-RRLedford