SD Dojavi Slobodna Dalmacija
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Pošta na kojoj iz brodice lovim kančanicom je na malo većoj dubini, a kako me vjetar i struja ne bi okretali, sidrim se s dva sidra, jednim po pramcu i jednim po krmi. Vremenom mi je dizanje tih sidara postalo sve teže i teže, a moja brodica je relativno mala da bih na nju ugradio sidreni vinč. Navodno postoji nekakav sistem kojim se sidro može izvlačiti motorom. Ako vam je ovo poznato, molio bih da mi objasnite taj sistem?

 

Taj sistem koriste organizatori regata za manje jedrilice. Kod postavljanja regatnog polja potrebno je usidriti više oznaka, plutača, nekada i desetak, a dubine na kojima se sidre ponekad su i veće od šezdeset metara. Ako vjetar promijeni smjer, kompletno polje, sve te plutače, potrebno je presidriti. Bez ovog sistema na tim dubinama taj posao bi bio dugotrajan i mukotrpan.

Pašteka s heriklemom

Kod prvih izvedbi ovog sistema korištena je pašteka s heriklemom, sklopivi koloturnik sa štoperom. Nije ih bilo u prodaji, već bi ih morali izraditi sami. Ni pašteke ovih dimenzija nisu bile baš dostupne, pa su se preuređivali klasični boceli ili bi ih sami izradili, a za štoper bi se ugradila jedna nazubljena strana standardne herikleme. Kako se na pašteci jedna strana može otvoriti, kroz nju nije potrebno provlačiti kraj konopa, već ju se može postaviti bilo gdje na konopu, a štoper dozvoljava konopu da u jednu stranu prolazi normalno, a u drugu ga zakoči. Ovaj sistem priveže se za nekakav plovak koji ima veliki uzgon, najčešće okrugli bokobran velikog volumena.

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Ilustracija

Božidar Vukičević/Cropix
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Pašteka se postavi na sidreni konop, naravno, štoperom okrenutim prema brodici, sidreni konop priveže za krmenu bitvu i motorom snažno zaplovite preko sidra. Dok se sidro podiže konop prolazi kroz sistem i bokobran će se kretati za vama, ali dosta sporije. Kada je sidro podignuto predlanac zapne za sistem, bokobran prestane zaostajati, još malo uroni i ispred sebe stvori val koji ga prelije. Tada se motor izbaci iz brzine. Štoper sidro zadrži uz površinu, uzgon bokobrana mu ne da da potone, a na sidrenom konopu sada nema gotovo nikakvog opterećenja. Ovako rasterećeni konop lako se prikupi, naročito ako lagano zavozite prema sidru, a izvlačenje sidra s površine znatno je lakše nego sa dna.

Metalni kolač

Praksa je pokazala da za korištenje ovog sistema pašteka s heriklemom nije neophodna. Naime, u istu svrhu može poslužiti i kolač, čvrsti metalni prsten s jednim otvorom kroz koji se može provući sidreni konop. Naravno, otvor za konop mora biti okrenut prema gore. Ovdje nema štopera koji će spriječiti konop da se vraća, međutim, promjer kolača je dovoljno velik da kroz njega mogu proći i predlanac i struk sidra. Dno sidra s lopaticama ostane zakačeno s jedne strane kolača, a struk i predlanac vise s druge strane. U istu svrhu može poslužiti i dovoljno velik gambet oblika slova omega.

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Kad brodica povuče sidreni konop, lift krene

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Ako bokobran potone prije nego li je sidro podignuto, to ukazuje da on za vaše sidro nije dovoljno velikog volumena ili nije dovoljno napuhan. Kako bi ovaj sistem funkcionirao, potrebno je i da omjer težine sidra i snage motora to dozvoljava.

Naveli ste kako se sidrite s dva sidra, jednim po pramcu, jednim po krmi. Kada koristite ovaj sistem, tada se morate osloboditi sidrenog konopa jednog sidra. Privežite ga za neki plovak i ostavite u moru dok ne podignete prvo sidro, a tada postupak ponovite i s ovim drugim.

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Čitajte sve o jedrenju, đitama po Jadranu, brodovima na struju, brodskim motorima i popravku broda. Učimo vas kako održavati brod. 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Ilustracija

 Božidar Vukičević/Cropix ) [3] => stdClass Object ( [src] => https://static.slobodnadalmacija.hr/images/slike/2022/11/06/23745411.jpg [title] =>

Kad brodica povuče sidreni konop, lift krene

 ) ) [bgPosition] => [text] => {OCMSplitter}

Pošta na kojoj iz brodice lovim kančanicom je na malo većoj dubini, a kako me vjetar i struja ne bi okretali, sidrim se s dva sidra, jednim po pramcu i jednim po krmi. Vremenom mi je dizanje tih sidara postalo sve teže i teže, a moja brodica je relativno mala da bih na nju ugradio sidreni vinč. Navodno postoji nekakav sistem kojim se sidro može izvlačiti motorom. Ako vam je ovo poznato, molio bih da mi objasnite taj sistem?

 

Taj sistem koriste organizatori regata za manje jedrilice. Kod postavljanja regatnog polja potrebno je usidriti više oznaka, plutača, nekada i desetak, a dubine na kojima se sidre ponekad su i veće od šezdeset metara. Ako vjetar promijeni smjer, kompletno polje, sve te plutače, potrebno je presidriti. Bez ovog sistema na tim dubinama taj posao bi bio dugotrajan i mukotrpan.

Pašteka s heriklemom

Kod prvih izvedbi ovog sistema korištena je pašteka s heriklemom, sklopivi koloturnik sa štoperom. Nije ih bilo u prodaji, već bi ih morali izraditi sami. Ni pašteke ovih dimenzija nisu bile baš dostupne, pa su se preuređivali klasični boceli ili bi ih sami izradili, a za štoper bi se ugradila jedna nazubljena strana standardne herikleme. Kako se na pašteci jedna strana može otvoriti, kroz nju nije potrebno provlačiti kraj konopa, već ju se može postaviti bilo gdje na konopu, a štoper dozvoljava konopu da u jednu stranu prolazi normalno, a u drugu ga zakoči. Ovaj sistem priveže se za nekakav plovak koji ima veliki uzgon, najčešće okrugli bokobran velikog volumena.

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image

Ilustracija

Božidar Vukičević/Cropix
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Pašteka se postavi na sidreni konop, naravno, štoperom okrenutim prema brodici, sidreni konop priveže za krmenu bitvu i motorom snažno zaplovite preko sidra. Dok se sidro podiže konop prolazi kroz sistem i bokobran će se kretati za vama, ali dosta sporije. Kada je sidro podignuto predlanac zapne za sistem, bokobran prestane zaostajati, još malo uroni i ispred sebe stvori val koji ga prelije. Tada se motor izbaci iz brzine. Štoper sidro zadrži uz površinu, uzgon bokobrana mu ne da da potone, a na sidrenom konopu sada nema gotovo nikakvog opterećenja. Ovako rasterećeni konop lako se prikupi, naročito ako lagano zavozite prema sidru, a izvlačenje sidra s površine znatno je lakše nego sa dna.

Metalni kolač

Praksa je pokazala da za korištenje ovog sistema pašteka s heriklemom nije neophodna. Naime, u istu svrhu može poslužiti i kolač, čvrsti metalni prsten s jednim otvorom kroz koji se može provući sidreni konop. Naravno, otvor za konop mora biti okrenut prema gore. Ovdje nema štopera koji će spriječiti konop da se vraća, međutim, promjer kolača je dovoljno velik da kroz njega mogu proći i predlanac i struk sidra. Dno sidra s lopaticama ostane zakačeno s jedne strane kolača, a struk i predlanac vise s druge strane. U istu svrhu može poslužiti i dovoljno velik gambet oblika slova omega.

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image

Kad brodica povuče sidreni konop, lift krene

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Ako bokobran potone prije nego li je sidro podignuto, to ukazuje da on za vaše sidro nije dovoljno velikog volumena ili nije dovoljno napuhan. Kako bi ovaj sistem funkcionirao, potrebno je i da omjer težine sidra i snage motora to dozvoljava.

Naveli ste kako se sidrite s dva sidra, jednim po pramcu, jednim po krmi. Kada koristite ovaj sistem, tada se morate osloboditi sidrenog konopa jednog sidra. Privežite ga za neki plovak i ostavite u moru dok ne podignete prvo sidro, a tada postupak ponovite i s ovim drugim.

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Shutterstock Božidar Vukičević/Cropix
Shutterstock

Ilustracija sidrenja

Metalni prsten i koloturnik sa štoperom

Kad brodica povuče sidreni konop, lift krene
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StoryEditorOCM
Nautika

praktično sidrenjeKako bez fizičkog napora podići sidro? Metalni prsten i bokobran brži su od vinča

Piše Damir Višić, sudski vještak za nautiku
8. prosinca 2022. - 08:00
&lt;p&gt;Ilustracija sidrenja&lt;/p&gt;
Galerija
Ilustracija sidrenjaShutterstock

Pošta na kojoj iz brodice lovim kančanicom je na malo većoj dubini, a kako me vjetar i struja ne bi okretali, sidrim se s dva sidra, jednim po pramcu i jednim po krmi. Vremenom mi je dizanje tih sidara postalo sve teže i teže, a moja brodica je relativno mala da bih na nju ugradio sidreni vinč. Navodno postoji nekakav sistem kojim se sidro može izvlačiti motorom. Ako vam je ovo poznato, molio bih da mi objasnite taj sistem?

 

Taj sistem koriste organizatori regata za manje jedrilice. Kod postavljanja regatnog polja potrebno je usidriti više oznaka, plutača, nekada i desetak, a dubine na kojima se sidre ponekad su i veće od šezdeset metara. Ako vjetar promijeni smjer, kompletno polje, sve te plutače, potrebno je presidriti. Bez ovog sistema na tim dubinama taj posao bi bio dugotra...

#SIDRENJE BRODA#DAMIR VIŠIĆ
11. svibanj 2024 14:53