背包的容量算法? - 戶外用品
By Megan
at 2012-02-17T12:44
at 2012-02-17T12:44
Table of Contents
最近想買登山包,發現登山包都用L(公升)來計算,
好奇之下量了量我的攝影包(攝影包都用長寬高來表示,不過可以自己乘),
意外發現攝影包的容量傾向灌水
(或說廠商的測量標準不太一樣?)
例如以
NG 2475這個包包:
尺寸︰(內部) 38W x 14D x 26H cm,
(外部) 42W x 20D x 30H cm 重量: 1.3 kg
但我實測外部尺寸結果約為:
32*14*27,約莫12L左右 。
或是 TENBA PM-17C
外部尺寸 45.7寬 x 33高 x 17.8深 cm
內部尺寸 43.2寬 x 30.5高 x 15.2深 cm
但我實測外徑為40*14*30,故最大容積為16.8L,
用他的內徑去量的話有19L多。
這樣實測結果,難怪覺得包包不夠大這件事,並非錯覺。
後來我看上
http://www.pcstore.com.tw/883suntree/M10243983.htm
這個34L的包包,還可以擴張+8L。
請問各位版友這個包包以平日都市旅行(不爬山)
帶衣物、相機、筆電之類的應該很OK吧?
(或說有什麼建議)
其實只是想請問:
有人真正測過登山包的表定容量和實際容量嗎?會灌水嗎?
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戶外用品
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