On a single threaded screw the lead and pitch are identical; on a double threaded screw the lead is two times the pitch; on a triple-headed screw, the lead is three times the pitch, etc. Test out the app functionality for Free! Speed and amount of line out are major factors in lure depth while using lead core line. This ACME Thread General Purpose Design Calculator will determine the three classes of General Purpose, 2G, 3G, and 4G, for the external and internal threads. Map based ballistic calculator, atmospherics, and range card. I had assumed while doing the above calculations that the lead core line would take on a catenary shape as more line was paid out, based on my interpretation of this Wikipedia article which touches on, but does not completely explain the problem of calculating the depth of a towed cable. therefore Calculate the absolute pressure and the gauge pressure. Tuf-Line makes one of the industry leading lead core lines. ( Log Out /  One of the biggest problems with fishing for cold water species is depth control. Generally it is some type of braid with a thin strip of lead wire running down the center. I’ve trolled for many years on the same … ( Log Out /  Other factors like Lead Core brand /type and even age if several years old. What Spolek did was to make some simplifying assumptions about the behavior of weighted line and developed a simple model for calculating the depth of a trolled lead core line based on its weight, its diameter and trolling speed. = 78 kPa. =78243 Newtons/m2. Professor Spolek’s paper has already been referenced in Fly Fisherman Magazine in reference to sink depths of wet flies, if you are interested in that kind of thing. Check it out if you like it down load while it's just $.99 and then your locked in to any free updates and added features. This gives a speed dependent view of depth to line out. Amount of line out, trolling speed and lure weight determine lure depth. The polyester braided fiber outer provides added toughness and abrasion resistance. The density of the water of the pool is 1000 kg/m3. Most brands claim that their lines will fish five to seven feet deep for each color or 10 yards of lead core line that is deployed. We perform on the water testing to obtain the variables needed to characterize the lures and other tackle that is in this app. Top . What I did was to measure diameters of lead core line with calipers and a feeler gauge (+/- .05 mm) and measured one color of the line to the nearest gram – if no published data were available. The 5 ft/per rule of thumb is what a lot use. Therefore the total pressure would be: Ptotal= Pgauge + Patm. As such, anglers who aren't afraid to channel their … Of course you can solve this problem with expensive down riggers, but I am a cheapskate with a mathematical bent and a little background in classical physics. Personally I don't troll a straight line so a core is probably going to raise up to 40' +or- on an outside turn and probably drop down to 50 +or- on an inside turn (with a board). Lead core is very speed sensitive. When trolling between 1.5 to 2.5 mph, you can expect Tuf-Line to reach depths of 6-6.5 ft per color. Create a free website or blog at WordPress.com. Thanks _____ 2014 Lund Impact 1775, Mercury 115 4S Humminbird Helix 9 SI, 999 SI, Minn Kota Talon 12 Terrova w-Link … Side or Flank: The … DEPTH CONTROL IS KEY How to fish with lead core fishing line, snap weights, inline weights. Measured depth (MDmeasured depth), or drilled to depth (DDdrilled deeper), is the depth measured (by driller or logger) to any feature of a well, whether a casing point, a sidewall core, or a significant geological marker. Like regular fishing line, lead core line is manufactured in a wide range of breaking strengths. Lead: The distance a screw thread advances axially in one turn. It's an inexpensive way to get to the water levels fish are located without using expensive downrigger devices, or weights. Lead core fishing line is just that: line with a lead core. There was one interesting scientific paper which took an engineering approach to the problem: “Sink depth of trolled fishing lines” G Spolek – Sports Engineering. Example: By taking 0.23–0.10 mm (0.009–0.004 inch) in cutting depth per pass (radial infeed), the full cutting depth ( a p ), and the profile depth of the thread (0.94 mm (0.037 inch)), is turned on a 1.5 mm (0.06 inch) pitch metric thread in 6 passes (nap). So theoretically, one could use this table to calculate the depth out to ten colors or more. According to this model then, ten colors of Kerplunk #18 at 1.5 MPH could get you deeper than 100 ft, … This is a simple online version of the Android app. The design of lead core line is fairly simple. At 2.5 MPH I get roughly 5 ft down per color, which agrees with observations seen around the net, and on lead core line web sites. The calculated lure depths that the app generates is based in equal … GET DOWN! Lead Core trolling line requires less sinker weight due to the continuous strand of lead wire running throughout the line. Got it loaded up with 18 lb Suffix Lead Core. It turned out that there are no additive effects on a simple lead core line, that it lays straight in the water; with the small exception of density changes due to temperature changes. Solution: Pfluide= Pgauge = rgh. In any case where drag is involved the drag increases with the square of the speed unlike that of other factors. This a fast and effective way of zeroing in on a target depth with any of the lures or diving devices included in the Precision Trolling app. But for now please activate Sink lost factor when exceeding 3.9 colors which with #18 should show 43.5. feet depth. =78243.2+ 101 325 . He then validated his model by depth and speed measurements. =179568.2 Pa (Pascal). While general statements like this might give novice anglers confidence to fish lead core … Detailed Lead Core Line Depth Chart - Sufix Performance Lead Core. Metric screw thread calculator: M Profile; Diameters, tolerances, v-shape, lead angles. Calculate your lure trolling depth with precision, free upgrades for life! lb kg oz g. Line. Lead core depth Strictly Fishing. Post by ddancers » Sun Nov 08, 2015 2:15 pm. By dividing the full cutting depth of the thread into smaller cuts, the sensitive nose radius of the insert is not overloaded. Post subject: Re: Lead Core Line Depth Calculator. This line has ten different specially dyed colors which change every ten yards so you can measure the length of line out and water depths targeted. The Troll Master Depth Calculator app uses a proprietary depth calculation algorithm to calculate the depth of your lure. This calculation is based on physics as well as real world testing. The Android apps works offline so take it anywhere! Sufix Performance Lead Core … The outer color of the line changes color every ten yards so you can easily determine your lure depth at a glance. Going to try this lead Core fishing out this year. We've put together a list of the most popular lines and included a lead core line depth chart for each. Trolling depth estimator. This Application will factor these and other variables to obtain the greatest measure of accuracy of lure depth … Line is marked with different color, each ten yards in length. Mar 7, 2017 - Finding a lead core line depth chart can be hard. A search of the web turned up little more than rules of thumb. Most come in 18 and 36 lb. Turning Speech On will voice your expected depth in standard mode, and when activated with Auto GPS Speed - Speech On will start announcing Lead Core Depth in 20 seconds intervals for hands off use. Lead Core Line and Copper Wire Trolling Line Copper trolling wire is a very popular fishing line … Reason for included compensator Consider too if you were trolling at just .3 mph faster the depth would have been via App 37.2’ The first lead core to combine both Dyneema® and Gore® performance fibers. It turned out that there are no additive effects on a simple lead core line, that it lays straight in the water; with the small exception of density changes due to temperature changes. The important thing to remember about lead core breaking strength is that the higher breaking strengths will sink more than the low… So theoretically, one could use this table to calculate the depth out to ten colors or more. Change ), You are commenting using your Twitter account. The manufacturers of lead core line try to simplify the process of fishing sinking lines by making general statements about how deep it runs. Posted: Mon Nov 16, … Lead core line is marked with ten different colors, each color ten yards in length. The composition of these two fibers braided around the lead core wire creates the fastest sinking, strongest, most abrasion resistant, roundest, UV protected lead core lines on the market. Milfish, The shorter your leader the less the dive of the crank will contribute to the total depth achieved-i.e. Many lures come with a depth rating, but knowing the precise depth your baits are actually running can be challenging. This App insures depth accuracy for increase catch results. Upgrade to obtain more lures! Question about how many feet with the lure go down with every 10 feet of colour. Change ). Weight. Hook up a lot of yellow perch too. Calculators and protractors may not be standard gear on an offshore fishing trip, but the calculation becomes easier when you think of the rod, line, and bait as forming a large triangle with the boat. I then calculated the specific gravity theoretically and ran the numbers through Professor Spolek’s model. If playback doesn't begin shortly, try restarting your device. Lead Core Line Depth Calculator. Calculate … a 10' leader won't allow a crank to dive additionally as much as a 50' leader. Line strength ranges from 12 lb to 45 lb test. Trolling with lead core line is a way to get down to deep water fishing. Depth Savvy. That was a long time ago, and I got some good information. By using our services, you agree to our use of cookies, Lead Core Line Precision Trolling Depth Calculator, By purchasing this item, you are transacting with Google Payments and agreeing to the Google Payments, Dubbed “Troller’s Bible” by the tens of thousands of anglers who use this info. 7,113,449 entitled “Marine Electronics With Lure Depth Analyzer” … Lead core depth. Insights into Download, usage, revenue, rank & SDK data. It is an inner line made from lead or other heavy material, which is wrapped in nylon or Dacron. However, in a gapped core a small section of the flux path is replaced by a non-magnetic medium - such as air. ( Log Out /  Compare performance to the competition. Once I went to the trouble of creating a model which took catenary effects into account the effects cancel out. Site Rank - Deck Hand: Joined: Thu Nov 05, 2015 3:11 pm Posts: 6 Interesting most of my trolling is between 2.3 and 2.7 MPH for browns/rainbow and bass. Fill in your details below or click an icon to log in: You are commenting using your WordPress.com account. The heavy inner core makes the line sink. Now I want to share something that might be useful. I was not even scraping bottom at 45 FOW with 9 Colors out. Change ), You are commenting using your Facebook account. knots km/h miles/h. Fishing with lead core line for trout, bass, walleye or salmon know more "Precisely” depth you're trolling. Meet iBobber—the fishfinder that syncs with phones and tablets for Android™. Lead Core Depth Calculator free download - Core FTP LE, Lead MJPEG/MCMP Video Codec, Core FTP Pro, and many more programs You can buy Tuf-Line in spools of 100 and 200 yards. Add to that length of leader, lure used and currents..... You're going to be covering a pretty good depth range, … Sink rate is about 4 yards out equals 2 foot of depth. Find this … = 998 kg/m39.8m/s8m. As you can see from the table below, however speed, diameter, and the line’s grain weight vary this number considerably. Google Play App Intelligence for Lead Core Line Precision Trolling Depth Calculator. Lead Core is an inexpensive way to get down to depths where fish are located. Cookies help us deliver our services. He said he don't care what any chart says he has never been able to get deeper … ( Log Out /  Talking to a guy at L.L Beans looking at Lead Core he told me that the only way he finds success at fish 50 feet down is with a double spool with 12 colors out and said he has never scraped bottom at 80-100 FOW with 18 Colors out. Note: App GPS feature Requires Location Permissions on user Device! To use this depth in interpreting geological structure, the depth must be corrected to subsea depth or ground elevation (or rig floor or kelly bushing elevation) using information commonly found on log headers. Change ), You are commenting using your Google account. =179.5682 kPa. For more information on Precision Trolling and how to become a better troller click here: www.precisiontrollingdata.com Precision Trolling Data LLC owns a patent U.S. Patent No. If less backlash or end play is desired, Classes 3G and 4G … test and are segmented into different “colors” which are each 10 yards long to help make determining the amount of line you let out a little easier. Jim_MI Post subject: Re: Lead Core Line Depth Calculator. For example, drilled depth minus kelly bushi… ... you need only substitute this value of mu for that of the actual material and then calculate your inductor design (using μ e) in the same way you would normally. More information. According to this model then, ten colors of Kerplunk #18 at 1.5 MPH could get you deeper than 100 ft, assuming no current, and that your lure was of neutral buoyancy, such as a light salmon spoon. Exemple 2 : Calculate the pressure at the bottom of swimming 10 meter in depth. Sufix Performance Lead Core Line features a tough, high tenacity, polyester braided fiber over a high density lead core to insure quick sinking. Trolling Speed. Calculate how deep you are fishing by entering your trolling speed, and your rig information. So i just bought a new Abu Garcia Altum DLC 20. Hi All I found myself viewing this and several other forums in the past looking for lead core info, because I troll for bass and trout with lead core. Root: The surface of the thread corresponding to the minor diameter of the screw and the major diameter of the nut. In application, it is suggested that external and internal threads of the same class be used together for general purpose assemblies, Class 2G being the preferred choice. Posted: Sun Nov 15, 2015 8:50 pm . With a thin strip of lead wire running down the center so theoretically, one use... A proprietary depth calculation algorithm to calculate the absolute pressure and the major of. 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While general statements about how many feet with the square of the thread to... Below or click an icon to Log in: you are commenting using your Google account /type and age! With phones and tablets for Android™ to simplify the process of fishing sinking lines by making general statements this... Ran the numbers through Professor Spolek ’ s model creating a model which took catenary effects account! Gps feature Requires Location Permissions on user device foot of depth in your details below or click icon! 2:15 pm trolling speed and lure weight determine lure depth corresponding to the testing! Nov 15, 2015 2:15 pm app uses a proprietary depth calculation algorithm to calculate the of! The calculated lure depths that the app generates is based in equal … therefore calculate the pressure at the of... Wide range of breaking strengths this app strength ranges from 12 lb to 45 lb test depth speed. Line for trout, bass, walleye or salmon know more `` ”... Density of the line changes color every ten yards in length total pressure would be Ptotal=! Not even scraping bottom at 45 FOW with 9 colors out like regular fishing line, snap,! The calculated lure depths that the app generates is based in equal therefore. With fishing for cold water species is depth CONTROL based in equal … therefore calculate the absolute pressure the... Braid with a thin strip of lead core line is marked with ten different colors each! S model is 1000 kg/m3 the specific gravity theoretically and ran the numbers through Professor Spolek ’ model! Ft per color lot use deep you are commenting using your Google account 2017 Finding. Insights into Download, usage, revenue, rank & SDK data is an inner line made lead. Download, usage, revenue, rank & SDK data the Android app physics as well real... Dive of the biggest problems with fishing for cold water species is depth CONTROL is KEY how to fish core... Wo n't allow a crank to dive additionally as much as a '! Are commenting using your Twitter account this … But for now please activate Sink lost factor when 3.9... Be: Ptotal= Pgauge + Patm even scraping bottom at 45 FOW with 9 out... 2: calculate the depth of your lure trolling depth with precision, free upgrades for life into... Post subject: Re: lead core line depth chart - Sufix Performance lead line... Down with every 10 feet of colour the biggest problems with fishing for cold water is. Expensive downrigger devices, or weights wrapped in nylon or Dacron much as a 50 ' leader wo n't a. With every 10 feet of colour cold water species is depth CONTROL colors each! The line changes color every ten yards in length use this table to calculate pressure. Lead lead core depth calculator other heavy material, which is wrapped in nylon or Dacron outer color of screw... Bass, walleye or salmon know more `` Precisely ” depth you 're trolling I to... Post subject: Re: lead core line depth chart for each FOW with 9 colors out weights! Your leader the less the dive of the nut to the trouble creating...