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魔界狂想曲- 第一四二零章 改進-玄幻奇幻-萬花小說
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第一四二零章 改進

  朋克二號他準備采用不同的方式製作。


  比如說,這兩個可控製的氣門的位置,他準備設置在兩條氣道的頂部,這樣子就不用把氣道切斷再連接了。


  他計劃在主氣道側麵開個大洞,然後加工兩個支氣道的口部的形狀,形成一個凹槽,然後把一個金屬塊給填入凹槽,金屬塊帶有兩個孔,並且可以左右滑動,給金屬塊安裝閥杆,它便成為一個可被控製的氣門,實現蒸汽機左右氣道之間的輪流通氣。


  這個金屬塊的製作難度是否很大?

  確實很大。


  怎麽保證它不漏氣?


  這兩個氣門必須能夠把氣口給封的非常結實,保證一點氣都不漏。


  他想起了皮球以及輪胎的氣門,它們能夠把氣給封的非常的死。


  是不是應該采取類似的結構?


  風箱的入氣口也是這樣子的。


  想了一番,沒有多好的法子。想通過加工的精密程度來保證不漏氣是非常難的。


  銅板是要用在什麽地方?

  先前對銅板的考慮似乎是錯的。


  這兩個氣門真是令他發愁。


  想不出一個比較好的解決方案,隻能依靠加工的精密度來防止漏氣。


  就像是活塞與氣缸的連接那樣子沒有縫隙。


  仔細的想了一番,覺得這個法子還真的可行。


  既然活塞與氣缸的內部都不漏氣,采用相同的結構製作一個可往複運動的圓柱,從側麵打洞製作左右氣道的時候恰好穿過它,然後就形成了一個不漏氣的活動氣門。


  想了一番,覺得整個蒸汽機他可以采用一個完整的方塊狀鑄鐵製作出來。


  管道和氣缸都從側麵打眼形成。


  隻要管道的位置他能夠掌握精準,那麽製作出的蒸汽機的氣密性會不再成問題。


  他幾乎可以確定這樣子的蒸汽機在功率上會比朋克二號高一大截。


  再把不需要的鐵用機器全都磨掉以減輕重量。


  這塊長寬高各半米的鑄鐵塊本來有一噸重,打好洞眼、磨掉不需要的鐵之後,估計重量會降低到四五百斤。


  鍋爐、水、木炭加一起可能有一噸半。


  加上蒸汽機是兩噸。


  再給它製作一個車架子,估計總重量有兩點五噸。


  它的力氣預計有三頭牛那麽大。


  至少有能力拉走自己。


  現在是否有必要開始製作?

  他覺得把打氣筒造好之後就可以開始製作了。


  先前卡住他的就是活動氣門漏氣的問題。


  那麽,鍋爐的重量是否可以減輕呢?

  一厘米後的鋼板製作鐵鍋,是否夠結實?


  他覺得夠了。


  如果這個鐵鍋是個四方體,長寬各一米,高半米,鋼板厚一厘米,總重量是多少?

  大約是兩百多公斤。如果裝滿水,水有五百公斤重。如果裝一半,那就是兩百五十公斤重。


  如果爐子半噸重,木炭半噸重,他對總重量的估計就是沒錯的,蒸汽機這一大堆東西有兩噸重。


  加上車子兩噸半。


  想用來從事農業生產還是算了。


  如果裝上一個二十米長度的木船,尾部裝螺旋槳,還是能夠推動它向前跑的。


  但是他們目前的生產能力造不出二十米的木船。


  六七米長、兩米寬的木船對他們來說已經是種考驗了。


  兩點五噸的蒸汽機要是裝在這艘船上,得裝在中心位置才能不沉。


  然後想帶動船尾的螺旋槳就不方便。


  是否有能力帶動?

  其實還是有能力的。


  如果使用明輪驅動,螺旋槳裝在側翼,那速度太慢了。


  怎麽從中間向船尾傳輸動力呢?

  馬林的想法依然是曲柄連杆裝置帶動齒輪。


  齒輪組驅動螺旋槳。


  隻要這個蒸汽機的力氣夠大,船就會前進的非常快。


  如果這艘船能夠有十米長,三米寬,驅動就會簡單很多。


  或者把船尾給做的比較寬,承重能力比較強,蒸汽機裝在船尾。


  想了一番,船長度八米,尾部寬度三米,他們的木工是能夠生產出來的。


  蒸汽機與沒入水中的螺旋槳直接相連。


  因為船的重量,它的驅動力也不是那麽足,所以它的前進速度大約會跟步行比較接近,或者能夠比步行稍微快一點。


  如果增加鍋爐的體積,大約力氣還能更大一點。


  三頭牛的力氣拉這種體積的船航行,是容易還是不容易呢?


  此外這種船是否容易傾覆?

  出一趟遠門需要攜帶多少木炭?

  總不能攜帶幾噸木炭吧?


  仔細的考慮一番,他這種蒸汽機到底行不行?


  他覺得隻能設計的這麽好了。


  如果想獲得更大的力量,就得提高蒸汽機的尺寸,也提高鍋爐的尺寸。


  它的總重量也會變大。


  那麽想讓前述十米長、三米寬的船開的更快一點,到底應該把鍋爐、蒸汽機給做多大呢?

  他覺得把鍋爐體積增加一倍,蒸汽機長寬高都略微增加一點,應該是能行的。


  但是這樣子一來鍋爐、木炭、水的重量可能會達到三噸。這麽一艘船真的挺得住麽?


  想了大半天。


  船尾吃水是不是會非常深?

  似乎確實會非常深。


  這可是一艘木船。


  他難以製作的那麽結實。


  船怎麽造是他告訴‘小樹’等人的。


  如果要造更大的船,他得自己想法子。


  那麽一艘三米寬、十米長的方方正正的船,吃水深度二十厘米,載重能夠達到多少呢?


  六噸。


  它不是方方正正的,前麵尖,後麵寬,吃水二十厘米深,載重大約也有四噸左右。


  這麽一艘方方正正的船自身重量能夠有多少呢?

  假設船底二十厘米厚,那麽船底重量大約是三噸。


  船舷重量加一起也差不多是三四噸。總共七噸左右。


  如果不是那麽方方正正的,大約有四五噸。


  他覺得它載著這麽一個蒸汽機,再載著一些貨物是完全沒問題的。


  事實上船板不需要這麽厚,他覺得十厘米厚度就可以了。


  這樣子一來重量又可以減輕很多。


  於是吃水便比較淺。


  而吃水越是淺,航行起來越是快。


  這麽大一艘船拖動起來需要幾名纖夫呢?


  妹妹你坐船頭那種船,一個人都拉得動。


  他覺得自己這種船,五個人肯定拉得動。


  他的蒸汽機再弱,也得有七八個人的力氣。


  這麽一番考慮之後確實很想抓緊把它給製作出來。


  開著輪船四處轉悠開心不開心?

  開心。


  這麽多天以來,蒸汽機的活動氣門的問題始終困擾著他,給他帶來了不小的壓力。


  現在則是覺得心情大好。


  如今麵對的問題是,鍋爐太重怎麽辦。


  現在的鍋加上水,總重量就接近一噸了。


  考慮一下,現在是方形的鍋底,受熱不均勻,導致蒸汽機運輸出效率低。


  如果改成家裏飯鍋那種底,效率肯定會變高。


  而重量不會有所變化。


  就是說還是這麽重,力氣卻能夠提高一半。


  這麽一算,他采用八米長、尾部三米寬的船就足以載著這蒸汽機和幾個人一起出門了。


  這艘船大約有多大呢?

  兩隻四米的卡車首尾相連,就是這麽大。其實算是小型船,製作難度並不高。


  他這裏的木工有能力進行生產。

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