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| markrvp:
--- Quote from: clhug on March 19, 2006, 12:16:55 am ---On a side note, for the Discs of Tron push/pull spinner, is it just purely two position, up and down (probably using a switch), or does it detect inbetween positions too, either like an analog pot or another encoder detecting Z position?Also, does it "latch" in to place in the up position, or if you let go does it drop back down? Just curious in case I do decide to try to build my own. --- End quote --- There are two leafswitches which are digital inputs (not analog). One is activated on a push down, the other is activated on a pull up. The shaft returns to center, it does not lock into place. |
| brandon:
--- Quote from: clhug on March 19, 2006, 12:16:55 am ---However, what about a belt-driven system? This ought to provide the same type of benefit of getting technically higher resolution of a "gearing" ratio while still maintaining the smoother operation and probably pretty good spin times of today's "direct-drive" spinners. Have one shaft with just the knob and a large flywheel (with some weight to it to help with spin times) and another shaft with the encoder and a small flywheel, and a belt between the two flywheels. With good bearings on both shafts it ought to spin very nicely. Sure you might have to replace the belt every few years, and you'd have to make sure the belt material is good and doesn't slip, but I think the end result could be worth it for something like Arkanoid. If I had any idea where to get shaft materials and bearings I might even try to build one of these myself using one of the existing spinners (either SlikStik's or GGG's) as the base spinner. You could mount this upside down under the control panel and just have to build the extra shaft system to attach to it. Of course this would take up more real-estate under the control panel but again, it might be worth it for the more finite control. --- End quote --- ooh.. great idea! I like the sounds of that... and I'm sure there is some belt driven device that you could steal belts and pulleys off of.. like maybe tape decks or VCRs... hmm... time to rummage through all my "junk" :) |
| clhug:
--- Quote from: markrvp on March 19, 2006, 01:22:37 am --- --- Quote from: clhug on March 19, 2006, 12:16:55 am ---On a side note, for the Discs of Tron push/pull spinner, is it just purely two position, up and down (probably using a switch), or does it detect inbetween positions too, either like an analog pot or another encoder detecting Z position?Also, does it "latch" in to place in the up position, or if you let go does it drop back down? Just curious in case I do decide to try to build my own. --- End quote --- There are two leafswitches which are digital inputs (not analog). One is activated on a push down, the other is activated on a pull up. The shaft returns to center, it does not lock into place. --- End quote --- Ah, so it's really a 3 position push pull? |
| Tiger-Heli:
--- Quote from: clhug on March 19, 2006, 10:34:54 am ---Ah, so it's really a 3 position push pull? --- End quote --- More like a momentary ON-OFF-ON if you want to use that analogy, but correct. |
| Minwah:
Just a couple of points regarding the software side... Firstly, it seems to me the default sensitivity settings in MAME are just whatever the driver author felt like (or more likely the best setting that worked for him/her). Secondly, it would be VERY handy to be able to specify analog settings (inc. sensitivity) in ctrlr file(s)...but this feature seems to be broken (& has been since the introduction of the system). If this were fixed it would be hugely beneficial, IMO. |
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