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GT Abarth
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« em: Julho 24, 2009, 10:30:20 » |
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Uma das questões mais debatidas no mundo automóvel são os pneus e as jantes, nomeadamente quando pretendemos alterar os pneus ou o conjunto jante / pneu. Como andava sempre a fazer as contas ao perímetro de dita medida, resolvi fazer os cálculos para "todas" as medidas conhecidas, no caso no formato de uma tabela de Excel. Assim os colegas podem consultar a mesma e ficarem elucidados. L = Largura do Pneu
A = Altura do Pneu
J = Jante em Polegadas
P = Perímetro da Roda em metro com 4 algarismos significativos, por aplicação de "P = 2 x Pi x R"Nota: para as jantes mais baixas (até 17) devem aparecer pneus de Todo o Terreno (Jipes); mas nas jantes maiores talvez não estejam todas as medidas contempladas; pelo que esta tabela será um guia apenas competente para automóveis ligeiros. L A J P (m)135 80 13 1,716 135 70 13 1,631 145 80 13 1,766 145 70 13 1,675 145 60 13 1,584 155 80 13 1,816 155 70 13 1,719 155 65 13 1,670 165 80 13 1,867 165 70 13 1,763 165 65 13 1,711 165 55 13 1,608 175 80 13 1,917 175 70 13 1,807 175 65 13 1,752 175 60 13 1,697 175 50 13 1,587 185 70 13 1,851 185 60 13 1,735 185 55 13 1,677 195 55 13 1,711 195 45 13 1,589 205 60 13 1,810 215 50 13 1,713 145 80 14 1,846 145 65 14 1,709 155 80 14 1,896 155 70 14 1,799 155 65 14 1,750 155 55 14 1,653 165 80 14 1,947 165 70 14 1,843 165 65 14 1,791 165 60 14 1,739 165 55 14 1,687 175 80 14 1,997 175 70 14 1,887 175 65 14 1,832 175 60 14 1,777 175 50 14 1,667 185 80 14 2,047 185 70 14 1,931 185 65 14 1,873 185 60 14 1,815 185 55 14 1,756 185 50 14 1,698 195 70 14 1,975 195 65 14 1,914 195 60 14 1,852 195 55 14 1,791 195 50 14 1,730 195 45 14 1,669 195 40 14 1,607 205 70 14 2,019 205 60 14 1,890 225 40 14 1,683 135 80 15 1,876 135 70 15 1,791 145 80 15 1,926 145 65 15 1,789 155 80 15 1,976 155 60 15 1,781 165 80 15 2,026 165 65 15 1,871 165 55 15 1,767 165 50 15 1,715 165 45 15 1,663 175 65 15 1,912 175 60 15 1,857 175 55 15 1,802 175 50 15 1,747 185 70 15 2,011 185 65 15 1,953 185 60 15 1,894 185 55 15 1,836 185 45 15 1,720 195 80 15 2,177 195 70 15 2,055 195 65 15 1,993 195 60 15 1,932 195 55 15 1,871 195 50 15 1,810 195 45 15 1,748 205 70 15 2,099 205 65 15 2,034 205 60 15 1,970 205 55 15 1,905 205 50 15 1,841 205 45 15 1,777 215 80 15 2,278 215 75 15 2,210 215 70 15 2,143 215 65 15 2,075 215 60 15 2,007 215 45 15 1,805 225 80 15 2,328 225 75 15 2,257 225 70 15 2,187 225 60 15 2,045 225 50 15 1,904 235 75 15 2,304 235 70 15 2,231 255 75 15 2,399 255 70 15 2,319 255 60 15 2,158 265 75 15 2,446 265 70 15 2,362 275 60 15 2,234 285 40 15 1,913 295 50 15 2,124 175 60 16 1,936 175 50 16 1,827 185 55 16 1,916 185 50 16 1,858 195 60 16 2,012 195 55 16 1,951 195 50 16 1,889 195 45 16 1,828 195 40 16 1,767 205 80 16 2,307 205 65 16 2,114 205 60 16 2,050 205 55 16 1,985 205 50 16 1,921 205 45 16 1,856 205 40 16 1,792 215 80 16 2,357 215 75 16 2,290 215 70 16 2,222 215 65 16 2,155 215 60 16 2,087 215 55 16 2,020 215 45 16 1,885 215 40 16 1,817 215 35 16 1,750 225 75 16 2,337 225 70 16 2,266 225 65 16 2,196 225 60 16 2,125 225 55 16 2,054 225 50 16 1,984 225 45 16 1,913 225 40 16 1,842 235 75 16 2,384 235 70 16 2,310 235 65 16 2,237 235 60 16 2,163 235 50 16 2,015 245 75 16 2,431 245 70 16 2,354 245 60 16 2,200 245 55 16 2,123 245 45 16 1,969 245 35 16 1,816 255 70 16 2,398 255 65 16 2,318 255 55 16 2,158 265 75 16 2,526 265 70 16 2,442 275 70 16 2,486 275 60 16 2,313 195 40 17 1,847 205 55 17 2,065 205 50 17 2,000 205 45 17 1,936 205 40 17 1,872 215 60 17 2,167 215 55 17 2,100 215 50 17 2,032 215 45 17 1,964 215 40 17 1,897 215 35 17 1,829 225 70 17 2,346 225 65 17 2,275 225 60 17 2,205 225 55 17 2,134 225 50 17 2,063 225 45 17 1,993 225 35 17 1,851 235 80 17 2,538 235 75 17 2,464 235 70 17 2,390 235 65 17 2,316 235 60 17 2,242 235 55 17 2,169 235 50 17 2,095 235 45 17 2,021 235 40 17 1,947 245 70 17 2,434 245 65 17 2,357 245 55 17 2,203 245 50 17 2,126 245 45 17 2,049 245 40 17 1,972 245 35 17 1,895 255 70 17 2,478 255 65 17 2,398 255 60 17 2,318 255 55 17 2,238 255 50 17 2,158 255 45 17 2,078 255 40 17 1,997 265 70 17 2,522 265 65 17 2,439 265 40 17 2,023 275 65 17 2,480 275 60 17 2,393 275 55 17 2,307 275 40 17 2,048 205 45 18 2,016 205 40 18 1,952 205 35 18 1,887 215 55 18 2,179 215 50 18 2,112 215 45 18 2,044 215 40 18 1,977 215 35 18 1,909 225 65 18 2,355 225 60 18 2,285 225 55 18 2,214 225 50 18 2,143 225 45 18 2,073 225 40 18 2,000 225 35 18 1,931 235 60 18 2,322 235 55 18 2,248 235 50 18 2,175 235 45 18 2,100 235 40 18 2,027 235 35 18 1,953 235 30 18 1,879 245 50 18 2,206 245 45 18 2,129 245 40 18 2,052 245 35 18 1,975 255 60 18 2,398 255 55 18 2,318 255 50 18 2,237 255 45 18 2,157 255 40 18 2,077 255 35 18 1,997 255 30 18 1,917 265 40 18 2,100 265 35 18 2,019 275 45 18 2,214 275 40 18 2,127 275 35 18 2,041 285 60 18 2,511 285 55 18 2,421 285 50 18 2,332 285 45 18 2,242 285 40 18 2,153 285 35 18 2,063 285 30 18 1,974 295 35 18 2,085 295 30 18 1,992 315 30 18 2,030 335 30 18 2,068 235 55 19 2,328 235 50 19 2,254 235 45 19 2,181 235 40 19 2,107 235 35 19 2,033 245 45 19 2,209 245 40 19 2,132 245 35 19 2,055 245 30 19 1,978 255 55 19 2,397 255 50 19 2,317 255 45 19 2,237 255 40 19 2,157 255 35 19 2,077 255 30 19 1,997 265 50 19 2,349 265 35 19 2,100 265 30 19 2,016 275 55 19 2,466 275 50 19 2,380 275 45 19 2,294 275 40 19 2,207 275 35 19 2,121 275 30 19 2,035 285 45 19 2,322 285 40 19 2,232 285 35 19 2,143 285 30 19 2,053 295 45 19 2,350 295 30 19 2,072 305 30 19 2,091 305 25 19 1,995 315 25 19 2,011 325 30 19 2,129 345 35 19 2,275 355 25 19 2,074 235 30 20 2,039 245 50 20 2,366 245 45 20 2,289 245 40 20 2,212 245 35 20 2,135 245 30 20 2,058 255 50 20 2,397 255 45 20 2,317 255 40 20 2,237 255 35 20 2,157 255 30 20 2,077 265 50 20 2,428 265 45 20 2,345 265 35 20 2,179 265 30 20 2,095 275 55 20 2,546 275 50 20 2,460 275 45 20 2,373 275 40 20 2,287 275 35 20 2,200 275 30 20 2,114 285 50 20 2,491 285 40 20 2,312 285 35 20 2,223 285 30 20 2,133 285 25 20 2,044 295 50 20 2,523 295 45 20 2,430 295 40 20 2,337 295 35 20 2,245 295 30 20 2,152 295 25 20 2,059 305 35 20 2,267 305 30 20 2,171 305 25 20 2,075 315 35 20 2,289 325 25 20 2,106 335 30 20 2,227 345 25 20 2,138 245 40 21 2,291 245 35 21 2,215 255 35 21 2,237 255 30 21 2,156 265 40 21 2,342 265 30 21 2,175 275 40 21 2,367 275 35 21 2,280 285 45 21 2,482 285 35 21 2,302 285 30 21 2,213 295 40 21 2,417 295 35 21 2,324 295 30 21 2,232 295 25 21 2,139 325 30 21 2,288 355 25 21 2,233 |
