A swash plate? that sounds complicated, but simpler. All they would need is a nylon plate on a hinge and a matching plate on the rotor connected to the claw via a linkage, but that linkage might be tough to design. A cable with a swivel run through a hollow axle would be far simpler.
(note: don’t expect that link to work until at least Thursday due to the SOPA blackout on the English language Wikipedia)
Just like Pumpkin Chunkin… http://www.youtube.com/watch?v=-1calSPjoR4
I believe that swashplate would be another term for the flybar mechanism, with wiki blacked out my IQ has dropped.
In terms of timing with the release, it might be possible, but your programmer may not realize how much difficulty of real-time programming has been covered up by the WPIlib and cRIO gate arrays. I would suggest working on a backup plan at the same time.
Basically except it’ll shout “Fus Ro Dah”! Lololol
But in all truth, it will be pretty quick like I said <2.5 sec maximum shot of 60’. But it’ll all come down to the claw really and hopefully we can get stuff sent to the machine shop soon. And ideas on what to make the bowl design out of? We were thinking just stick with one whole piece of aluminum so the mounting is secure.
Yeah, that’s the term I was actually looking for: the swashplate. (Flybar is similar, IIRC–I fly R/C fixed-wing, not rotary-wing.)
Our mentor that wi be teaching us his ee skills is fairly familiar with it all so he kinda said it’s possible like your saying. The only thing is we probably will get a high speed camera if their under $2000 to time the releases. It’s factoring out the release time with the angle of release (which will be a set ideal angle) that’s the tricky part. And hopefully it’ll get to a point where the robot can either stick with an angle or adjust using our algorithm to find it’s own ideal angle based on shots to correct itself.
Rob,
I’m going to make a friendly suggestion. From reading your previous posts, I know you are pretty much set on a catapult rather than a wheeled shooter. You have also said a couple times that you don’t have the money for prototyping. But, if you have $2000 to buy a high speed camera, you have money to prototype.
My suggestion is that you spend a couple hours putting together a single wheeled shooter prototype. It will take relatively little time and money, and may provide you a viable backup plan in case your catapult doesn’t work out.
You have nearly everything you would need to prototype a single wheeled shooter in the kit of parts. To power it, use a CIM motor directly driving one of the kit of parts wheels. You’ll probably need to buy some stuff (1/2" keyed shafting, 1/8" keys, a motor to shaft coupler) from McMaster Carr. With overnight shipping, this stuff will probably come to less than $100.
Just so you know, our team also is hoping to use a catapult style shooter. But, we’re working on it knowing that if there are unexpected difficulties, we have a workable fall back plan.
It was more in joke about the camera but we’ll still have a backup shooter, we’re just worried about the blind variables that are really hard to control. And like every system has them but the catapult just has less it seems.