Very nice!! Since you are using a stepper and micro processor, have you considered using a spiral auger to move the paintballs from the hopper to the marker? That would ensure no broken balls and 100% loading accuracy. You can probably make all the parts with your 3D printer.
On Jul 29, 2016 11:45 PM, "Doug Conn" <dwconn...@comcast.net> wrote: > Hello – > > > > A couple of weeks ago John asked what we’ve been up to. My work has been > insane during the last year, but I’ve had a little time to work on a new > project. It’s a marker and loading system that I plan to install in Small > Fry. Someday. I was shooting for a low-profile, small system. Here are a > couple of videos. > > > > https://youtu.be/oh6uJ9zMPOk > > > > https://youtu.be/Ot8O-nX3qCI > > > > The videos show an early test of the loader system. The marker is a > Dangerous Power E1. A stepper motor pulls back a ram using a rack and > pinion mechanism, allowing a paintball to fall into a loading chamber. The > stepper motor then advances the ram about 75% of the distance used to cock > it. At that point, power to the stepper is cut and a spring moves the ram > the rest of the way and applies pressure to push the paintball into marker > when the bolt opens. I may be able to use a standard DC motor instead of a > stepper (similar to how an airsoft gun cocks and loads), but I need some > kind of clever clutch to slow the ram so it doesn’t puncture the paintball. > The stepper gives me a lot of fine position control. > > > > For elevation, the marker pivots on the feed mechanism, so there’s no > issue with mis-alignment of the feed port at different elevations. The > whole system is currently driven from a Raspberry Pi2 running windows IoT. > There are SUPPOSED to be IoT X-BOX 360 wireless drivers available so I can > control the whole tank from a 360 controller. Those drivers are bugged > right now, though. If someone wants to help me re-write them, speak up ! > > > > - Doug > > -- > -- > You are currently subscribed to the "R/C Tank Combat" group. > To post a message, send email to rctankcombat@googlegroups.com > To unsubscribe, send email to rctankcombat+unsubscr...@googlegroups.com > Visit the group at http://groups.google.com/group/rctankcombat > > --- > You received this message because you are subscribed to the Google Groups > "R/C Tank Combat" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to rctankcombat+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. > -- -- You are currently subscribed to the "R/C Tank Combat" group. To post a message, send email to rctankcombat@googlegroups.com To unsubscribe, send email to rctankcombat+unsubscr...@googlegroups.com Visit the group at http://groups.google.com/group/rctankcombat --- You received this message because you are subscribed to the Google Groups "R/C Tank Combat" group. To unsubscribe from this group and stop receiving emails from it, send an email to rctankcombat+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
