7/21/2019 Trim

http://slidepdf.com/reader/full/trim5695d0a41a28ab9b029345fe 1/12

 TRIMLecture Assistant 2012

7/21/2019 Trim

http://slidepdf.com/reader/full/trim5695d0a41a28ab9b029345fe 2/12

∗ Trim = Longitudinal Stability

∗ Trim adalah keadaan kapal yang tidak seaar dra!t a!t!or"ard yang disebabkan oleh moment trim dan transstability$

%asis Theory

7/21/2019 Trim

http://slidepdf.com/reader/full/trim5695d0a41a28ab9b029345fe 3/12

∗ Trim tidak di ukur bedasarkan sudut kemiringan namuukur bedasarkan dra!t pada !or"ard dan a!t

7/21/2019 Trim

http://slidepdf.com/reader/full/trim5695d0a41a28ab9b029345fe 4/12

 &ika dra!t bagian !or"ard lebih besar dari dra!t a!t makadalam kedaan trimming by the bo" 'trim depan(

 &ika dra!t bagian a!t lebih besar dari dra!t !or"ad maka

dalam kedaan trimming by the stern 'trim belakang(

7/21/2019 Trim

http://slidepdf.com/reader/full/trim5695d0a41a28ab9b029345fe 5/12

∗ Trim by stren 'trim belakang(

7/21/2019 Trim

http://slidepdf.com/reader/full/trim5695d0a41a28ab9b029345fe 6/12

∗ Trim by bo" 'trim depan(

7/21/2019 Trim

http://slidepdf.com/reader/full/trim5695d0a41a28ab9b029345fe 7/12

∗ Trim Moment ) merupakan perpindahan massa pada tertentu yang menyebabkan perpindahan titik gra#itasehingga teradi trim

7/21/2019 Trim

http://slidepdf.com/reader/full/trim5695d0a41a28ab9b029345fe 8/12

*irst +osistion*inal +osistion

7/21/2019 Trim

http://slidepdf.com/reader/full/trim5695d0a41a28ab9b029345fe 9/12

 Trimming mome

-= displacement

 perubahan titik b

"= displacement

. = arak perpindmuatan

 

7/21/2019 Trim

http://slidepdf.com/reader/full/trim5695d0a41a28ab9b029345fe 10/12

∗ Moment change trim one centimetre 'MT 1cm or M

Another Trim ,uation

7/21/2019 Trim

http://slidepdf.com/reader/full/trim5695d0a41a28ab9b029345fe 11/12

∗ Ton +er entimetre 'T+(

 

A"p = area "ater plane= .ensity

∗  

Another Trim ,uation

7/21/2019 Trim

http://slidepdf.com/reader/full/trim5695d0a41a28ab9b029345fe 12/12

 

SLSAI .A SLAMAT %L