Ordinate o costole
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2° LezioneStruttura e nomenclatura di una imbarcazione, manovre ed effetti
evolutivi ormeggi e stabilita, motori diesel e benzina.
Navigazione piana, introduzione pns pnr.
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Risulatati 1° lezione Rv passando a dritta 172° distanza
12,2 M seconda tratta Rv 179° distanza 11,8 M
totale 24 Mconsumo= 24/6=4 31.2 + 30% 9.36
totale 40.56 Ltarrivo ore 12:00
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Ordinate o costole
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Passo dell’elica
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Ormeggio “La cosa piu difficile”
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Metacentro:punto di intersezione tra spinta “S” vericale e asse longitudunale della
barca
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Dati da copiare (• BUSSOLA dato falso • PB=PV-(+/-d)-(+/- δ )• RB=RV-(+/-d)-(+/- δ )• RilB=RilV-(+/-d)-(+/-dev) la δ va presa sulla prora Pb o Pm• • CARTA dato vero• PV=PB+(+/- δ)+ (+/-d)• RV=RB+( +/-δ)+ (+/-d)• RilV=RilB+(+/- δ )+ (+/-d) la δ va presa sulla prora Pb o Pm• • RILEVAMENTO POLARE• RilV =Pv +/- RilP• • SCARROCCIO E CORRENTE• Pb= Rv-(+/-sc)-(+/-der)-(+/-d)-(+/- δ )• Rv=Pb+(+/- δ )+(+/-d)+(+/-sc)+(+/-der)
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Tabella deviazioni M Sailer “NINA”