 | | Re: Pneumatic/Motorized Camera Tilt Unit
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(...) Hey guys, I have been following this post since it started. It inspired me to try to find a use for my vision command cam. I decided not to try to use pnuematics...but rather a simple gear/belt drive system. It gives full pan and tilt...well (...) (21 years ago, 9-Oct-03, to lugnet.animation, lugnet.build, lugnet.technic)
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| | Re: Pneumatic/Motorized Camera Tilt Unit
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(...) [snip] (...) My bad. (...) I would think that you can easily do it with one motor for the front, one motor for the back (greatest flexibility. You'll have to use the other variety motor to rotate the turntable. (...) Fun, eh? [snip] (...) The (...) (21 years ago, 7-Oct-03, to lugnet.animation, lugnet.build, lugnet.technic)
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| | Re: Pneumatic/Motorized Camera Tilt Unit
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(...) No, if you look at the photos you'll see that each piston is joined above the platform. It's not the best system because of the lower power you achieve with retraction versus extension, but it works best when you're trying to keep everything (...) (21 years ago, 7-Oct-03, to lugnet.animation, lugnet.build, lugnet.technic)
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| | Re: Pneumatic Camera Tilt Unit
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(...) [snip] (...) Your original system had the pistons underneath the platform, right? You must be assuming that the ganged pistons would be underneath. This is not a requirement. I'm not advocating for ganged pistons. I'd think that a geared (...) (21 years ago, 7-Oct-03, to lugnet.animation, lugnet.build, lugnet.technic)
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| | Re: Pneumatic Camera Tilt Unit
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(...) Yes, stop-motion has much different requirements than realtime filming. Actually, if I was looking for a fast realtime cut from top to bottom, the current mechanism is perfect. It moves quite fast. (...) running IE 6, XP Pro. Any clue why? (...) (21 years ago, 7-Oct-03, to lugnet.animation, lugnet.build, lugnet.technic)
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| | Re: Pneumatic Camera Tilt Unit
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(...) It only now occur to me that it's animation we're talking about, not filming. In that case it does not matter hos long it takes etc. between the shots (sure, fast is better it don't need to be 30fps fast). Then you could easily build a (...) (21 years ago, 7-Oct-03, to lugnet.animation, lugnet.build, lugnet.technic)
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| | Re: Pneumatic Camera Tilt Unit
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(...) It just so happens that I have a good geometry :^) (URL) Very true. I'll have to try that. Thanks for the idea! Sure. It is always a pleasure to talk to you Mike. (...) Kevin (21 years ago, 6-Oct-03, to lugnet.animation, lugnet.build, lugnet.technic)
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| | Re: Pneumatic Camera Tilt Unit
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(...) You really don't *need* both sides actuated, but it allows one to raise the platform as well. Not really necessary, I suppose. I presume you mean two pistons ganged end-to-end. I think this would work much better, but so far have not found any (...) (21 years ago, 6-Oct-03, to lugnet.animation, lugnet.build, lugnet.technic)
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| | Re: Pneumatic Camera Tilt Unit
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(...) Two reasons. One, using a motor didn't occur to me. ;) Two, I don't have any rotation sensors either. I'm also unsure how I could use a motor to tilt and raise at the same time, though I don't think that's a movement needed very often. I could (...) (21 years ago, 6-Oct-03, to lugnet.animation, lugnet.build, lugnet.technic)
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| | Re: Pneumatic Camera Tilt Unit
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(...) [snip] (...) Ah..., but you don't really need the back and the front controlled by pistons do you? I would think that keeping the front hinged and the back actuated would give you what you want. With two pistons ganged together, you can (...) (21 years ago, 6-Oct-03, to lugnet.animation, lugnet.build, lugnet.technic)
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| | Re: Pneumatic Camera Tilt Unit
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(...) Yes, you're right - two switches would have been entirely sufficient. I just wanted another switch so I could add a release valve, that's all. :) I think originally I wanted something in there so I could bypass the tank and pump directly to (...) (21 years ago, 6-Oct-03, to lugnet.animation, lugnet.build, lugnet.technic)
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| | Re: Pneumatic Camera Tilt Unit
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(...) They work for me now also. (...) I guess I was curious why you used pneumatics. I would think a motor/gear/rotation sensor would give you very fine angular resolution and variable speed. You also would only need to control either the front or (...) (21 years ago, 6-Oct-03, to lugnet.animation, lugnet.build, lugnet.technic)
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| | Re: Pneumatic Camera Tilt Unit
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(...) Hi Bauchaile, I don't post with in-line images because not everyone has broadband. (...) I love to see new pneumatic projects! I was curious why you needed three switches. It seems like a front switch and a back switch would be sufficient. It (...) (21 years ago, 6-Oct-03, to lugnet.animation, lugnet.build, lugnet.technic)
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| | Re: Pneumatic Camera Tilt Unit
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(...) Yeah, it does somewhat. One thing that helps is not to pressurize the tank all the way. If there isn't much pressure it doesn't "jump" as much and helps keep increments small. Another thing that's helpful is not to flip the switch all the way (...) (21 years ago, 6-Oct-03, to lugnet.animation, lugnet.build, lugnet.technic)
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| | Re: Pneumatic Camera Tilt Unit
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(...) It works for me...odd. Anyway, I made that post about half an hour after I uploaded the pictures, so I didn't think a moderated folder link would be much good. Now that it is moderated... (URL) for looking, ~Mike (21 years ago, 6-Oct-03, to lugnet.animation, lugnet.build, lugnet.technic)
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| | Re: Pneumatic Camera Tilt Unit
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(...) They work like a charm to me!? Cool use of pneumatics Mike, how is control? Pneumatics tend to "jump" from one position to another that would give a pretty non-smooth camera pan? The airtank (yours and the LEGO version); Does it really need an (...) (21 years ago, 6-Oct-03, to lugnet.animation, lugnet.build, lugnet.technic)
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| | NWBrickCon 2003 Animation Competition Results
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I am happy to announce the winner of the NWBrickCon 2003 Animation Competition was... "Out of Time" by Oblong Pictures. Thanks to all the entrants and attendees of NWBrickCon who viewed and voted on the films. This competition gave me a good idea of (...) (21 years ago, 6-Oct-03, to lugnet.events.nwbrickcon, lugnet.animation)
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| | Re: Pneumatic Camera Tilt Unit
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(...) Hi Mike, I could not get any of your links to work..... Any hints? Kevin (21 years ago, 5-Oct-03, to lugnet.animation, lugnet.build, lugnet.technic)
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| | Pneumatic Camera Tilt Unit
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Hello all, For an animation project I'm starting, a camera tilt and pan unit became necessary. Here's half of it, the tilt part. (I haven't designed the pan part yet) Forgive me if I'm misposting this; this is my first major MOC post. Deep links: (...) (21 years ago, 3-Oct-03, to lugnet.animation, lugnet.build, lugnet.technic)
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| | BrickFest PDX 2004 Tell-a-Joke Animation Competition
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The BrickFest PDX Tell-a-Joke Animation Competition will involve the animation of a joke or one-liner. The joke should be appropriate to all audiences. The jokes need not be original and may be taken from joke books or other sources. The Use of Lego (...) (21 years ago, 18-Sep-03, to lugnet.animation, lugnet.events.brickfest)
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