Factbites
 Where results make sense
About us   |   Why use us?   |   Reviews   |   PR   |   Contact us  

Topic: Log (speed)


Related Topics

In the News (Fri 18 Dec 09)

  
  LOG - LoveToKnow Article on LOG
The rotator was connected to the log by a rope 6 ft. in length, actuating a universal joint on the first spindle of the register; it consisted of an air-tight thin metal tube with a coned fore-end, carrying i~at metal vanes set at an angle.
These logs were towed from the ship, but with quick passages and well surveyed coasts, the need arose for a patent log which could be readily consulted from the deck, and from which the distance Dun under varying speeds could be quickly ascertained.
speed to 60 fathoms for 20 knots, the pull of the line and rotator is borne by coned rollers, having their outlines tapering to a common point in their rotation, thus givilig a broad rolling surface.
www.1911encyclopedia.org /L/LO/LOG.htm   (1854 words)

  
 Log (speed) - Wikipedia, the free encyclopedia
The original log literally consisted of a piece of wood, the "log", on a length of rope, which was thrown over the back of a ship.
The speed of the ship was indicated by the number of knots passing over the stern during a certain period of time.
Later technologies used in logs include small forward facing water turbines whose speed of rotation is proportional to the speed of the ship and the measurement of the doppler effect on ultrasonic transmissions through water passing by the ship's hull.
en.wikipedia.org /wiki/Log_(speed)   (181 words)

  
 Submarine Underwater Log Systems - Chapter 6
During factory tests this orifice plug is rotated to a position that will cause the log to indicate a speed equal to that indicated by the standard mercury manometer.
Similarly, checking distance indications by comparison of log readings with distances traveled between ports cannot be used for recalibration purposes since the current effect cannot be determined with the degree of accuracy required.
As the log distance is not affected by the 3Y frequency variations, this speed error may be detected by aiming, with a reliable stop watch the registering of 1 mile on the master speed indicator distance counter while the ship is maintaining a steady speed.
www.hnsa.org /doc/fleetsub/log/chap6.htm   (1181 words)

  
 Submarine Underwater Log Systems - Chapter 14
At the true speed of 5.20 knots, and at the true speed of 15.40 knots, adjustment factors of 103.8 and 102.25 respectively are obtained.
Subtract the percent error at a true speed of approximately 5 knots from the percent error at a true speed of approximately 15 knots, and divide this value by 0.4.
Hang a weight for a log indicated speed equivalent to a true speed of approximately 5 knots on the weight arm, and use the A2-adjustment ring to bring the pointer to the true speed at approximately 5 knots.
www.maritime.org /fleetsub/log/chap14.htm   (3528 words)

  
 Chip Log
In the most ancient times, speed at sea was measured by dropping a piece of driftwood or a small log off of the stern of the moving ship.
This was remedied by attaching a length of light twine or line to the log; the same log could then be retrieved and used repeatedly.
To use the log requires two men; one to hold the reel aloft, facing aft at the taffrail, and one to drop the drouge overboard, turn the glass, and stop the line when the sand runs out.
www.navyandmarine.org /planspatterns/speedlog.htm   (905 words)

  
 Submarine Underwater Log Systems - Chapter 7
The components of the pitometer underwater log that are most likely to need overhauling are the rotary pump on the rotary distance transmitter, and the control unit.
If the master speed indicator indications do not agree with the calculated speed, the error is either due to the 3Y constant frequency supply not being exactly 60 cycles, or to the master speed indicator not being in exact calibration.
For example: The speed reading may be 10.05 when the orifice is on zero, and should be 10.25 for +2 percent, and 10.45 for +4 percent, and 10.65 for +6 percent.
www.maritime.org /fleetsub/log/chap7.htm   (2540 words)

  
 Heaving the Log: A Traditional Way to measure Speed at Sea   (Site not responding. Last check: 2007-10-14)
Eventually heaving the log involved dropping a small wood panel, the "log," into the water and measuring the length of line it pulled off a reel in a given period of time.
In heaving the log you must be careful to veer the line out as fast as the log will take it; for if the log be left to turn the reel itself, the log will come home and deceive you in your reckoning.
Three people are a big help in heaving the log: one to hold the reel, another to drop in the log (don't really heave it or the bridle will tangle) count knots and manage the line, and one to watch the watch or glass.
clipper.coastweather.com /html/logline.html   (3797 words)

  
 Submarine Underwater Log Systems - Chapter 8
internal connections in the speed and distance indicator speed repeater are reversed because the transmitter is actually rotated in a reverse direction to the pointer in the master speed indicator.
As the entire speed calibration of the log depends on the operation of this motor at constant speed, the 3Y frequency must be held to 60 cycles.
To permit the operation of the log if the constant frequency control unit should fail, a selective switch is usually provided that permits the 3Y circuit to operate from the ship's a.c.
www.hnsa.org /doc/fleetsub/log/chap8.htm   (439 words)

  
 GPS_LOG WinCE Program Description   (Site not responding. Last check: 2007-10-14)
Logging frequency is controlled in the logging options, however all positions are logged while proximity to a turnpoint is detected, or position is within observation zone of a task turnpoint ("At" indication in destination display).
The wind speed and direction thus derived, is sensitive to the averaging filters of your GPS unit.
However if log interval is not set to zero, all positions are logged while proximity to a turnpoint is detected, or position is within observation zone of a task turnpoint ("At" indication in destination display).
www.soaringpilotsoftware.com /gps_log/docs/GPS_LOG_WinCE.htm   (18714 words)

  
 ABD - Media Log
Nigel Humphries on a speed camera installed where there had been no accidents, and the subsequent surge in accidents after it was installed.
Also that speed cameras can't give breath tests so the police forces that should really be taken to task are the ones who have replaced their traffic divisions with cameras.
ABD spokesman quoted on the news that the new Chief Constable of Essex is to review the use of speed cameras in the county.
www.abd.org.uk /medialog.htm   (2798 words)

  
 EM Speed Log Walker 4020
Walker 4020 is a new compact EM Speed Log for smaller vessels which require a "Wheelmarked" MED Type Approved system in a minimal package reducing the size and number of sub-units required.
The 4020 combines the electronics unit with the speed and distance indicator in one master unit which may be console or bracket mounted.
Multipoint speed calibration at speeds from -20 to 80 knots.
www.elna.de /en/03/01/03/01   (199 words)

  
 Yachting and Boating World: GPS Speed   (Site not responding. Last check: 2007-10-14)
The Log shows speed through water that is generally moving, and therefore causing error and it cannot indicate SOG except in true still water.
I would go by the gps for location and speed over ground, all logs are effected by a number of variables, tack, location, clear water, turbulence, condition of paddle wheel, salinity/density and the list goes on.
When i said the log seemed to read right from passage times what I meant was that the speed indicated on the log when compared with calculated passage times "allowing for tidal stream".
www.ybw.com /forums/showflat.php?Number=412842&page=   (1068 words)

  
 Salon Arts & Entertainment Log | Speed habit
Art Arfons broke land speed records for two decades before a monstrous car crash sent him back to his workshop.
His second car set a world record its first time out, and from that point on he was hooked on speed, debuting a newer, faster car every year or two through the late '50s and '60s.
The intense rivalry eventually drove the brothers apart, but the two continued to compete until Art Arfons nearly died in a disastrous crash in 1971, which took out two bystanders and killed a journalist who was in the passenger seat.
archive.salon.com /ent/log/1999/06/29/green_monster/print.html   (474 words)

  
 SAL Speed Logs   (Site not responding. Last check: 2007-10-14)
The SAL R1 is a reliable speed log measuring watertrack speed in one axis.
It is the third generation of the SAL acoustic speed logs designed to meet requirements as specified by authorities and shipowners.
The SAL860R speed log is a two axis dual axis water- and bottomtrack speed log.
www.consilium.se /Marine/speedlogs.htm   (578 words)

  
 Yachting and Boating World: GPS v Log   (Site not responding. Last check: 2007-10-14)
Note that the gps measures speed over the ground, whereas the log measuresspeed thru the water - which might be a higher number if going agint tide or lower if going with tide.
However, it is almost impossible to get a paddle-whell log to be accurate over the whole speed range of a sailing yacht.
my new log was 25% out as it came out of the box, so i adjusted it by comparing the distances it recorded with the distances travelled in a no tide situation.
www.ybw.com /forums/showflat.php?Number=389320&page=fpart   (866 words)

  
 Navis.gr - Ship's Log   (Site not responding. Last check: 2007-10-14)
An instrument for measuring the speed of a ship through water is called a ship's, or maritime, log.
A later version was the patent, or self-recording, log, which replaced the chip with a propeller-like rotator.
Static pressure depends on the depth and density of the water; dynamic pressure is proportional to speed.
www.navis.gr /navaids/log.htm   (405 words)

  
 THE TOPOLOGY OF A/C MISSION SPACE
For instance, for mission X performed by a propeller aircraft, the ideal for the speed factor might be the fastest subsonic speed aircraft (propeller aircraft cannot exceed the speed of sound): a boundary point ideal.
The space was transformed by taking the logarithm of two of the factors (speed and weight) and the ratio of the logarithms of the two components (width and length) of the third.
In A/C space the units of measurement are weight on one axis, speed on another, and a ratio of lengths in the third.
home.comcast.net /~dshartley3/MAPP/ACTopol.htm   (1407 words)

  
 Tinotopia: Speed Bumps
Tinotopia → LogSpeed Bumps (18 Jul 2001)
There’s one outside the local IKEA store that causes normal passenger cars to bottom their suspensions and scrape the ground (artificially high because of the height of the speed bump) when the cars are loaded with furniture.
He noticed that cars tended to speed along the road in front of Brookings Hall, and he designed some speed bumps to discourage this.
www.tinotopia.com /log/archive/2001/07/18/speed_bumps.htm   (707 words)

  
 Cycling, Running & Swimming Log   (Site not responding. Last check: 2007-10-14)
Progress log has been created to give athletes a convenient online training log to keep track of their running, cycling & swimming activities.
The cycling log gives avid cyclists the tools they need to keep track of their training.
The running log gives runners of all skill levels the tools they need to keep track of their training.
www.progresslog.com   (409 words)

  
 Mach5 Faststats Analyzer - Log File Analysis at breakneck speed!
Most other log file analysis tools (such as WebTrends and HitList) are very, very slow, processing the log files at a speeds of only 2-3 megabytes per minute.
These log files are stored on the web hosting provider’s computer and are probably made available to you for download by FTP.
Your log files may also be stored in a subdirectory (most likely called /logs/).
www.ccsoftware.ca /analyzer/logs.cfm   (729 words)

  
 Groundspeak Travel Bug Details   (Site not responding. Last check: 2007-10-14)
Picked up Speed Racer from 3GGG'S in Phoenix, AZ where it was being lubed and tuned for the upcoming racing season.
Speed Racer was with me visiting a cache in Latah County Idaho today, but his time with me is not over yet.
I will log it there when it visits a cache with me, and will take it to a cache back home which is near a track.
www.geocaching.com /track/track_detail.asp?ID=16779   (1352 words)

  
 Correderas, Electromagnetic Speed Log, HRM web
The electromagnetic speed log is specially designed for all types of vessels.
The CALIPSO EM speed log reflects BEN´s incomparable experience in the field of speed logs.
The CALIPSO EM speed log is composed of a main cabinet to be installed in the wheel house and a blind transmitter located nearby the sensor(65.-2 or LENS).
www.hispanoradio.com /Productos/Correderas/correderas.html   (146 words)

  
 Dictionary of Meaning www.mauspfeil.net   (Site not responding. Last check: 2007-10-14)
The unit, knot (speed) knot, for nautical mile per hour, was derived from the knots tied in the rope of a log.
Later technologies used in '''logs''' include small forward facing water turbines whose speed of rotation is proportional to the speed of the ship and the measurement of the doppler effect on ultrasonic transmissions through water passing by the ship's hull (watercraft) hull.
There you find a list of all editors and the possibility to edit the original text of the article Log (speed).
www.mauspfeil.net /Log_%28speed%29.html   (197 words)

  
 Log Y2
The Log-6 consists of the "Log" Display and a Log Sensor (Regatta Speed Sensor depicted).
For added safety, two speed sensors may be installed symmetrically on the hull.
Log data can be displayed on any display in the system, e.g.
www.tecnautic.com /jp/log_e02.htm   (233 words)

  
 Art of Speed   (Site not responding. Last check: 2007-10-14)
And if you haven't seen their Speed film yet, go here to download it.
The short is set to the "pulsating French electronica of Black Strobe" and although I haven't seen it, I can tell you that it's "a circular narrative of brewing crime masterly set in a stylish metro," although I'm not sure that description really helps matters.
Adam Levite of Associates in Science contributed the film with the longest title to the Speed project, A Meditation on the First Law of Thermodynamics.
www.gawker.com /artofspeed   (584 words)

  
 CruzPro SLT30 Digital Speed, Log, Water Temperature and Race / Elapsed Timer Display   (Site not responding. Last check: 2007-10-14)
The SLT30 provides accurate digital instrumentation for boat speed, distance traveled, water temperature, elapsed time and provides a race timer that can be pre-set to two different (pre-programmable) values.
The SLT30 displays speed and average speed up to 50.0 Knots (58 M.P.H.) in tenths, very accurate water temperature in degrees F or C in tenths, trip log to 999.9 miles, permanent log to 9,999 miles and elapsed time in Minutes/Seconds and Hours/Minutes.
The SLT30 outputs NMEA 0183 data of boat speed, logs, and water temperature and works on both 12 and 24 VDC systems.
www.powersolutions.com.au /cruzpro/slt30.html   (237 words)

  
 Nor Siglar - Frequently Asked Questions
The person coming off watch updated the log, every four hours during the day and every three hours at night, unless conditions demanded it be done more often.
In addition to the "Ship's Log", we kept a "Maintenance Log" in which all equipment was catalogued and the time and type of Maintenance and Repairs noted.
Average speed and distance per 24 hours of the entire circumnavigation: 4.7 knots and 111 nautical miles.
www.norsiglar.com /english/faq.html   (10919 words)

  
 Groundspeak Travel Bug Details   (Site not responding. Last check: 2007-10-14)
I placed Speed Bump in a Ziploc bag and added his mission statement sheet to it before freeing him upon the world again.
Speed bump the speed bump on my coffee table.
Speed Bump is going to take a ride in an RV with some RVing women.
www.geocaching.com /track/details.aspx?id=40880   (1415 words)

Try your search on: Qwika (all wikis)

Factbites
  About us   |   Why use us?   |   Reviews   |   Press   |   Contact us  
Copyright © 2005-2007 www.factbites.com Usage implies agreement with terms.