 | | Re: odometry (was Re: Homing with the IR Tower)
|
|
(...) Great source. Just found a source where Johann Borenstein discusses the original 1966 paper and gives links for the full electronic version or a CDROM or a book version. Here is the source: (URL) for the pointer! Ralph M. Deal deal@kzoo.edu -- (...) (25 years ago, 28-Jul-99, to lugnet.robotics)
|
| |
| | Re: odometry (was Re: Homing with the IR Tower)
|
|
(...) I see your point. Yes, F1 kind wheels are far from ideal to avoid slippage and get accurate results. The larger but thinner spoked wheels that come with the Minstorm RIS are quite better. The free wheel(s) also must be light and thin and (...) (25 years ago, 28-Jul-99, to lugnet.robotics)
|
| |
| | Re: WTB Train Parts
|
|
From all my dealings with Larry, he's a great guy and often goes out of his way to help people here. So I think John's right in that Larry wouldn't have meant to offend. Plus I agree it is legitimate to make higher offers for bricks. HOWEVER, I do (...) (25 years ago, 28-Jul-99, to lugnet.market.buy-sell-trade)
|
| |
| | For Sale. 2x2x3.3 Gray Octagon Bricks
|
|
Hello, I have 69 2x2x3.3 gray octagon bricks for sale or trade. Please E-mail with your offers. All parts are new and not used. These are the bricks found in aquazone sets. Sincerely, Doyle (25 years ago, 28-Jul-99, to lugnet.market.buy-sell-trade)
|
| |
| | Re: Temperature Sensor
|
|
(...) At one time Radio Shack sold 10K thermistors but I have not checked lately. Don't remember their temperature coefficient. I do not know the Mouser source. Pardon me if this is an(*) FAQ but could you let me/us know how to contact Mouser? (...) (25 years ago, 28-Jul-99, to lugnet.robotics)
|
| |
| | Wanted a 4558 Train for Technic sets, see below
|
|
Hello all I would like to know is there anybody out here on RTL or Lugnet, who has a 4558 Merto Train for trade. Must have a box, but insruction no prodlem. I have a copy of these. But i like like one and i will trade it for the following models in (...) (25 years ago, 28-Jul-99, to lugnet.loc.uk)
|
| |
| | Wanted a 4558 Train for Technic sets, see below
|
|
Hello all I would like to know is there anybody out here on RTL or Lugnet, who has a 4558 Merto Train for trade. Must have a box, but insruction no prodlem. I have a copy of these. But i like like one and i will trade it for the following models in (...) (25 years ago, 28-Jul-99, to lugnet.trains)
|
| |
| | Wanted a 4558 Train for Technic sets, see below
|
|
Hello all I would like to know is there anybody out here on RTL or Lugnet, who has a 4558 Merto Train for trade. Must have a box, but insruction no prodlem. I have a copy of these. But i like like one and i will trade it for the following models in (...) (25 years ago, 28-Jul-99, to lugnet.market.buy-sell-trade)
|
| |
| | Re: odometry (was Re: Homing with the IR Tower)
|
|
At 09:20 28-07-1999 Wednesday , Mario Ferrari wrote: [snip] (...) I've downloaded, printed and read it all some time ago :-) (...) I've used 2 wheels instead of tracks once, and the results where terrible compared with tracks. The problem was that (...) (25 years ago, 28-Jul-99, to lugnet.robotics)
|
| |
| | Re: Sears Tower Model @ O'Hare Internationation Airport
|
|
In lugnet.general, Scott Edward Sanburn writes: Scott, The link isn't working because the line rapped. It worked for me when I cut and pasted the URL including the "htm" on the second line. I have reposted the URL below with the http:// on a (...) (25 years ago, 28-Jul-99, to lugnet.general)
|
| |
| | Re: Sears Tower Model @ O'Hare Internationation Airport
|
|
Mike, The link is not working for me. Scott Sanburn (...) (25 years ago, 28-Jul-99, to lugnet.general)
|
| |
| | Re: Dutch Railways models
|
|
Eric: (...) details I have missed). Play well, Jacob ---...--- -- E-mail: sparre@cats.nbi.dk -- -- Web...: <URL:(URL) -- ---...--- (25 years ago, 28-Jul-99, to lugnet.build)
|
| |
| | Sears Tower Model @ O'Hare Internationation Airport
|
|
A while back I mentioned that there is a model of the Sears Tower at O'Hare International Airport. I took a couple of pictures of it the last time I was through Chicago and finally have them posted on the web: (URL) plaque on the base of the model (...) (25 years ago, 28-Jul-99, to lugnet.general)
|
| |
| | New site!
|
|
Hey fellow builders! I just wanted to let you know I got a new site up: (URL) not finished yet, but I'll be adding more in the next few weeks. Any comments are welcome. (25 years ago, 28-Jul-99, to lugnet.general)
|
| |
| | Re: Are ABS bricks so good...?
|
|
Simon Robinson <simon@simonrobinson.com> wrote in article <020a01bed896$8749b0...@simon>... (...) I found out the same thing. When separating bricks with my fingernails, I get dents and cuts in bricks very easily. Also, the quality of the newer (...) (25 years ago, 28-Jul-99, to lugnet.general)
|
| |
| | Re: pneumatics & mindstorms?
|
|
(...) I had exactly the same experience. I used that kind of compressor on my S5 robot many months ago, it's slow and unefficient. The small pumps work much better. Ralph Hempel has a very good double action compressor in his page: (URL) like his (...) (25 years ago, 28-Jul-99, to lugnet.robotics)
|
| |
| | Re: Homing with the IR Tower
|
|
(...) You can add more free wheels to make it very stable. (...) When I approached the Joel's challenge I was worried also about the time to collect the cans. My idea was to develop a reliable navigation system to minimize the time to find the cans. (...) (25 years ago, 28-Jul-99, to lugnet.robotics)
|
| |
| | Re: odometry (was Re: Homing with the IR Tower)
|
|
(...) Yes, 95 ticks are always 95 ticks, but the point is if your robot really *is* in the position where it's expected to be on the floor. The main problem with odometry, as you know well, is that errors accumulate very fast. The unavoidable (...) (25 years ago, 28-Jul-99, to lugnet.robotics)
|
| |
| | Re: Linking HB with UART
|
|
That is what Radio Control modelers do all the time. The technology is mature and readily available. This would prevent any autonomy in the bot, you become the brains. Mike (...) (25 years ago, 28-Jul-99, to lugnet.robotics.handyboard)
|
| |
| | Re: Mechanical question
|
|
(...) [lots snipped . By all means, look at the original message! ;-) ] (...) Beautiful stuff! That's what I call an explanation. "progeeks", indeed... :-)) Thanks, Paul! (Incidentally, you're not using a pseudonym? ;-) Best regards, Martin (25 years ago, 28-Jul-99, to lugnet.robotics)
|
