ANNEXOS A LA MEMÒRIA

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Motxilla – Carretó per muntanya 1. Memòria ANNEX A: DISSENYS PRELIMINARS ....................................................................................................... 3 A.1 INTRODUCCIÓ ........................................................................................................................................ 4 A.2 DISSENYS GENERALS ................................................................................................................................ 5 A.2.1 Model A ..................................................................................................................................... 6 A.2.1.1 Motxilla model A ............................................................................................................................... 6 A.2.1.2 Carretó model A ................................................................................................................................. 7 A.2.1.3 Conclusions Model A .......................................................................................................................... 8 A.2.2 Model B...................................................................................................................................... 9 A.2.2.1 Motxilla model B ................................................................................................................................ 9 A.2.2.2 Carretó model B ............................................................................................................................... 10 A.2.2.3 Conclusions model B ........................................................................................................................ 11 A.2.3 Model C .................................................................................................................................... 12 A.2.3.1 Motxilla Model C .............................................................................................................................. 12 A.2.3.2 Carretó Model C ............................................................................................................................... 14 A.2.3.3 Conclusions model C ........................................................................................................................ 15 A.3 MODELS CADIRETA................................................................................................................................ 17 A.3.1 Forma de quatre ...................................................................................................................... 18 A.3.2 Forma de “sac” ........................................................................................................................ 20 A.4 MODELS ARNESOS FIXACIÓ ..................................................................................................................... 21 A.5 MODELS DE RODES ............................................................................................................................... 22 A.5.1 Rodes plàstiques ...................................................................................................................... 23 A.5.2 Rodes inflables ........................................................................................................................ 23 A.5.3 Raids ........................................................................................................................................ 24 A.5.4 Llandes ..................................................................................................................................... 24 A.6 SOLUCIÓ FINAL..................................................................................................................................... 27 A.6.1 Estructura ................................................................................................................................ 30 A.6.2 Cadireta ................................................................................................................................... 32 A.6.3 Arnesos de fixació .................................................................................................................... 32 A.6.4 Barra telescòpica ..................................................................................................................... 35 A.6.5 Rodes ....................................................................................................................................... 36 A.6.6 La ròtula ................................................................................................................................... 36 ANNEX B: CÀLCULS TÈCNICS ................................................................................................................ 37 B.1 CAS IDEAL............................................................................................................................................ 39 B.2 MANIPU<strong>LA</strong>CIÓ INDEGUDA ....................................................................................................................... 42 B.3 CAS DESFAVORABLE: PEDRA EN UNA RODA ................................................................................................ 45 B.4 CONCLUSIONS ...................................................................................................................................... 48 2
Motxilla – Carretó per muntanya 1. Memòria Annex A: Dissenys Preliminars 3
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ANNEXOS A LA MEMÒRIA

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