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kkeerroo
Experienced Roboteer
Joined: 17 Jun 2004
Posts: 1459
Location: Brisbane
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Well its been a while since I put anything up here so here's the changes I've made to Adversary.
That picture I had up before was all a con. Sort of anyway. After the Annihilator I realised I couldn't fit that linear acyuator into a feather without going over weight, but I knocked the chasis together as an excuse t get some practice in fibreglassing. That frame has joined the used robot pile in the corner of the garage.
So what I have now is basically the same set up I had in July. The robot is made with 3 pod connected at the back by some threaded rod. The wheels are still out the back, but are now supports on either side. This is because the wheels arn't connected directly to the drills like everyone else does. Actually the drills are more in the center of the pods with a timing belt running back to the wheel with a 2:1 reduction. With the wheels spinning slower I don't have to worry about losing traction and as I found out I can control the robot much easier.
The drills also now have there own seperat mounts making it easier to change motors if they burn out. Instead of 4 hours like in July I could now do it in about 15-20 mins.
New speedo's. I now have 2 IFI Victor 883's.
The 2 drive pods are made out of 3mm MDF panels with my favorite slot together method of construction. Each panel then got 2 layers of fibreglass on each side before I glued it all together. All around the out side of the pod I left an air gap which I filled with expanding foam, which I then covered with 5 layers of fibreglass. I was kind of surprised at how tough it came out.
I moved the batteries to the weapons pod and changed the castors to ball transfer units and added some spikes and thats pretty much it for the drive pods. They still rotate like on the version I had in July, if the weapon doesn't get in the way.
The center pod has a small section at the back that has the reciever and rx battery and some wire to distribute power between the pods. It also has four bits of ali L-bracket with 16 tapped holes out the front. I can then bolt any weapon I want to the front of that. The weapon also has the batteries, either 12 or 24V depending on what it is. For the weekend it was a vertical bike wheel spinner with an EV warrior, but I also have plans for a vertical saw, horizontal saw, EV powered axe, electic lifter, a secretly powered launcher and a boreing steel wedge. All these weapons can weigh 6kg with batteries.
After this weekend I need to finish the fibreglassing (I ran out of resin friday night), finish attaching the wheel, fix up some ground clearance problems and build some more weapons. _________________ Get Some!!!
Secretary of the Queensland Robotics Sports Club inc.
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Tue Sep 28, 2004 1:08 pm |
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