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1 2 3  UER Forum > Archived UE Tutorials, Lessons, and Useful Info > Tape Measures for drains (Viewed 6089 times) hydro_sonic_1307  Location: East Cleveland Gender: Male  |  Re: Tape Measures for drains <Reply # 40 on 9/13/2008 4:38 AM >   that is a badass drain shadowX  Location: Camp Pendelton Gender: Male Is this real? Or is it fake?  |  |  Re: Tape Measures for drains <Reply # 41 on 12/2/2008 1:09 AM >   Could go to a military surplus store and buy a pace count. So i say, Merah! AnAppleSnail  Location: Charlotte, NC Gender: Male ALL the flashlights!  |  |  |  Re: Tape Measures for drains <Reply # 42 on 12/11/2008 1:18 AM >   For the cheap: I got a (pawn-shop) Sears STANLEY "IntelliMeasure" sonic measuring critter and will test it in a local favorite drain this week. The drain includes turns and junctions, so I'll see what I get when I use the measurer. I can usually slap a drain wall and estimate distance to the next junction or turn, so maybe it'll work... Updates: Raining this week, but I'll get some real testing done when I can. For now, I played with the Intellimeasure on campus. It only has a 50' (15m) range, which seems to be about the maximum range on ultrasonic rangefinders. It measures to the first nearly-perpendicular surface within a cone in front of the unit, which is actually fairly handy in checking side pipes. This allowed me to point it up some of the 2-3 foot pipes and get a quick reading on how far back the first junction or turn lies. The sound waves travel straight down a pipe, only returning when they hit things, hopefully the next turn, junction, or end; but sometimes a ladder rung or little pipe. It's neat that it works in complete fog, but the 50' range and really weird results you can get with small objects jutting out of a tunnel wall are kind of a bummer. A laser measurer will cost at least $100 unless you know a guy. The ones the cavers like seem to run $120+ Fun toy, wouldn't recommend any sonic-based measurer (Note: All laser measurers can do inch fractions, no sonic measurers can). [last edit 12/11/2008 8:10 AM by AnAppleSnail - edited 1 times] Achievement Unlocked 20-100  Location: Québec city Gender: Male Gentleman of fortune...  |  Re: Tape Measures for drains <Reply # 43 on 12/11/2008 2:05 AM >   I have tried the GPS, with my Garmin 60Csx and an external antenna (we push the antenna out from any manhole or grid and after some 10 seconds we have a good reception and our position with a reasonable precision (6' to 20'). The antenna is a Trimble http://www.trimble...atch_antenna.shtml mello  Location: Port Colborne Gender: Female tastes like chicken.  |  |  Re: Tape Measures for drains <Reply # 44 on 12/16/2008 10:37 PM >   I saw today there was one advertised for sale in the Canadian Tire flyer for this week, it should be in the online version of the flyer as well. It was a Brunton 440, and it can do from 15-440 yards. I believe it was 99.99$, and that was half price. when you are here, you wish you were there. but once you're there, it soon becomes a here, and you again wish to be there instead of here... we will never be completely satisfied. TCdrainer  Location: ur moms house Gender: Male  |  Re: Tape Measures for drains <Reply # 45 on 12/26/2008 3:51 PM >   Most GPS unit coordinates do not correspond with G.E coordinates. Their overlay is off line or something. And I'm talking pretty far off. "Reality is an illusion created by a lack of alcohol." Snickerpuss  Location: Niagara Region, Ontario, Canada Gender: Male  |  Re: Tape Measures for drains <Reply # 46 on 2/26/2009 6:23 AM >   This is starting to sound VERY exspensive. Why dont you buy a thing of string and lay it down as you explore and then wind it all up; take it home and mesure it with a ruler.. time consuming yes but it'll save you a pretty penny. That was kinda sarcasm up there but hey, if you wanna try it. Banditt  Location: T. Gender: Male  |  Re: Tape Measures for drains <Reply # 47 on 2/26/2009 6:45 AM >   There are expensive and cheap... Trimble makes a "Dead Reckoning" unit which would be perfect for this. Uses an analog gyro for measure. It measures direction/distance indoors with or without gps: http://www.dpie.com/gps/lassendr.html Or this two piece system? http://www.profess...e-measuring-tools/ Perhaps a simple distance measuring wheel? [last edit 2/26/2009 7:12 AM by Banditt - edited 1 times] FLICKR UER Forum > Archived UE Tutorials, Lessons, and Useful Info > Tape Measures for drains (Viewed 6089 times)  1 2 3  All content and images copyright © 2002-2024 UER.CA and respective creators. Graphical Design by Crossfire. To contact webmaster, or click to email with problems or other questions about this site: UER CONTACT View Terms of Service | View Privacy Policy | Server colocation provided by Beanfield This page was generated for you in 140 milliseconds. Since June 23, 2002, a total of 741453298 pages have been generated.