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🚢 The basics of Draft Survey - Best Practices Series of Part 2 - Calculation 

Ship Ahoy Vlogs
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00:00 - Intro
00:16 - Video Sponsored by
00:40 - Start of Part 2 Discussion
00:51 - Abbreviations Familiarization
01:47 - Overview , Steps and Procedures
02:49 - Gathering Data
03:53 - Mean Drafts F,M,,A & Apparent Trim Step 1 & 2
04:42 - Perpendicular Correction Step 3
06:21 - True Trim Step 4
06:40 - Mean Drafts Step 5
07:04 - Mean of Mean Step 6
07:19 - Quarter Mean Step 7
07:49 - QM Displacement Step 8 Method 1
08:54 - Step 8 Method 2
10:53 - Who needs brain if you've got batteries
11:26 - Step 9 Trim Correction
13:12 - Applying Trim Correction
13:46 - Step 10 Density Correction
14:39 - Getting the Deadweight
15:05 - Step 12 Constant or Cargo Loaded
15:39 - Recapitulation / Validation
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The lecture or topic found in this video is my personal experience and I am just sharing my knowledge. To this date, whatever is said in here is still applicable. All content on this channel is provided for entertainment purposes only.. However, it is for educational purposes and that for cross referencing and comparison, it would be advisable to read your ship's Procedure and Manual (P & A) for any vessel you are assigned to.
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6 авг 2024

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Комментарии : 11   
@taslimtaslim1471
@taslimtaslim1471 2 месяца назад
List correction...???
@user-qp7kd5pc2f
@user-qp7kd5pc2f 2 года назад
some questions... the small ship is trim by head... and if lcf +4.25 from hydrostadic table... what is first trim correction sign? - or +? because i know about the first trim correction sign... when i...calculation draft survey... trim-by the stern... and LCF sign +(fwd)...first trim correction sign -.. LCF sign -(aft)..fst trim correction sign -... trim by the head.. LCF sign +(fwd)...fst trim correction sign +.. lcf sign -(aft)...fst trim correction sign -... is it always adjust to the any ship..and when draft survey...fst trim correction sign..decided the rule?... ref.my fst trim Correction calculation.... ture trim(Cm) × t.p.c x lcf ÷ L.B.P...
@ShipAhoyVlogs
@ShipAhoyVlogs 2 года назад
First Trim Correction Rules: Trim by the Stern: Fwd Corn = Minus(-) After Corn = Plus (+) Trim by the Head/Stem: Fwd Corn = Plus (+) After Corn = Minus (-) Midship Corn is parallel to Fwd Corn However, please see your ship hydrostatic tables. It should be indicated there how you may apply since you mentioned a small ship. In General, the bigger ship like 5,7,9 holds ..this rule is basically used.
@ernieaguilar3997
@ernieaguilar3997 Год назад
@@ShipAhoyVlogs good pm sir i would like to ask in your formula in trim correction A True trim x tpc x lcf x 100/LBp my usual formula but in your formula you include lbp/2 - lcf x trim x tpc x 100 ÷lbp cant get it tks
@samthesailor1759
@samthesailor1759 7 месяцев назад
Is hogging or sagging give any affected in draft survey??
@ShipAhoyVlogs
@ShipAhoyVlogs 7 месяцев назад
it does affect draft survey
@samthesailor1759
@samthesailor1759 7 месяцев назад
@@ShipAhoyVlogs can you plz tell how to calculate draft survey in hogging and sagging condition ? TIA
@ShipAhoyVlogs
@ShipAhoyVlogs 7 месяцев назад
@@samthesailor1759 I don't have tine to do, Perhaps this link can help you ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-pCSMEbRIcn4.html
@RISSLILY0329
@RISSLILY0329 Год назад
Good day po...May tanong lang po regarding sa : 1.) Yung sa TRIM CORRECTION A yung formula = true trim x (LBP/2) - LCF....YUNG LBP po ay ang Length bet. perpendicular po yan di ba? kasi sa Given ang LBP ay 223 meters at ang LBM/LBD ay 221.5 meters? 2..) Yung (-)LCF sa formula po, Constant na po ba yang Negative sign nang LCF? or magdedepende yan sa hydrostatic table? 3.) Yung figure po ba dyan nang LCF mula sa Hydrostatic Table , Hindi po ba yan ininterpolate? kagaya nang pagkuha nang Displacement? 4.) Regarding sa pag apply nang 1st and and 2nd Trim Correction, yung TRIM CORRECTION A, ibabawas po ba yan sa Displacement (corrtd ) kung naka (-) negative sign ang figure nang LCF sa hydrostatic Table? 5.) Ang Quarter Mean po na 7.6979m, Sapagkuha po nang LCF at TPC basi sa Quarter mean, Hindi po ba iniinterpolate ang pagkuha nang LCF at TPC basi sa 7.6979??
@ShipAhoyVlogs
@ShipAhoyVlogs Год назад
1) 221.5 ata nalagay ko dun . Sorry typo error. 2) LCF sign is based sa table 3) interpolate mo kung Wala saktong katumbas 4) ndyan ung rules nya oaki check mo na lng. 5) dalawa method ung sample dyan ung Isa may interpolation.
@ernieaguilar3997
@ernieaguilar3997 Год назад
@@ShipAhoyVlogs good pm sir sa trim correction A dko po makuha ang answer kasi ang formula ay =true trim ×lcf ×tpc x100 divide sa lbp pero pag iapply mo ang lbp /2 hindi lalabas ang answer 311 pls kindly teach how tks
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