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第73章 精研农器,巧授匠
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第73章 精研农器,巧授匠心

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    第73章精研农器,巧授匠心(第1/2页)
    紧接着,他又依次拿出新式中耕锄、精准点种器、堆肥叉、简易脱粒板等器具,一件件讲解用途、优势、选材要点与打造关键。
    “农具不在精巧,而在实用。能让一人耕更多田,能让一亩地多收粮,能让百姓少流汗,便是上等器具。”
    “铁器必淬火,木料须风干,榫卯衔接务必牢固,不可偷工减料。田间器具一坏,则误农时、损收成,干系重大。”
    墨者们听得心潮澎湃,无比动容。
    方正所授的每一件器具,皆简洁实用、极接地气,完全以农事利民为本,与墨家“兼爱、非攻、巧工济世”的宗旨不谋而合。
    为首墨者再度深深拱手:“先生所授,皆是利国济民之实学。水车模型之妙,我等已然领悟。待学成之后,必广为打造,分发天下,绝不藏私垄断!”
    方正淡淡道:“能如此,便是百姓之福。”
    众墨者齐齐躬身:“弟子等,谨记先生教诲!”
    日头渐渐升高,林间晨雾散尽,阳光洒满田野与工坊。
    一侧田垄间,韩非传农法,语语踏实,关乎万民温饱;
    一侧木棚内,方正授器术,件件精巧,利于天下农耕。
    一农一器,相辅而行,一场足以改变天下民生的传承,便在这片无人知晓的荒野密林之中,正式拉开了序幕。
    匠器研思巧问传技
    日头渐渐爬高,林间的薄雾被阳光驱散,暖光铺满整座简易木棚。方正将水车模型置于木案正中,又陆续从一旁取来数件器具构件,错落排开,木、铁、绳、竹一应俱全,在日光下泛着朴素却扎实的光泽。
    七名墨者围立四周,个个屏息凝神,目光紧紧落在那些闻所未闻、见所未见的器械上,既好奇又敬畏。他们世代钻研工巧技艺,精于器物构造,寻常农具根本入不了眼,可眼前这些器具形制新颖、结构巧妙,一看便知是专为省力便民而设,不由得人人心潮涌动。
    方正目光缓缓扫过众人,语气平和沉稳:“今日所授诸器,并非什么奇巧淫技,全是我观农事之苦、察水土之利,反复琢磨改良而成,核心不过四字——省力、多收。你们既为墨门弟子,擅工巧、重实务,想来一点便通,若有不明之处,尽管开口发问。”
    说罢,他先拿起一件三足支架、下带小铁铧、上连储种小斗的器具,指尖轻轻叩击木架:“此器名为耧车,专司播种。如今世间播种,多是徒手撒播,不仅耗费种子,疏密更是难以掌控,出苗之后杂乱无章,既不便除草,又不利生长。而这耧车下有三腿,一次可同时播下三行,深浅如一,行垄齐整,一人牵畜、一人扶车,一日便可播种百亩,功效远超徒手数十倍。”
    话音刚落,一名身形微瘦、眼神锐利的墨者便上前一步,拱手躬身问道:“先生,弟子有一事不明。这耧车储种之斗,如何能保证籽粒匀速落下?若是忽快忽慢,依旧会疏密不匀,反倒误了农时。”
    方正微微颔首,显然早料到有此一问,抬手拨开耧车上方的小挡板,露出内部机关:“关键便在此处。斗下设有转齿,车行则齿转,齿转则种落,转速均匀,下种便稳。只要把控车行速度,种子便能匀速落入土中,绝不会忽多忽少。你们细看这转齿间距,宽窄皆是定数,多一分则浪费,少一分则缺苗,皆是反复试过才定下的尺寸。”
    (本章未完,请点击下一页继续阅读)第73章精研农器,巧授匠心(第2/2页)
    众墨者纷纷探首细看,见那机关小巧却精妙,无不暗暗点头,心中叹服先生思虑之细密。
    紧接着,方正又取过一组弯曲的犁架构件,与秦地常见的直辕笨重犁具截然不同:“此为曲辕犁。如今田间所用耕犁,多是直辕长架,笨重僵硬,转向极为困难,大块良田尚且勉强可用,一到山地、坡田、小块水田,便寸步难行,既耗牛力,又费人工。此犁改直辕为曲辕,轻重可调,犁头深浅亦能掌控,转向灵活自如,无论山地、水田、薄田,皆可深耕细作,能让一人一牛耕出以往数人的田地。”
    另一名身材高大、双臂粗壮的墨者随即拱手发问:“先生,这曲辕弯折之处,受力最是沉重,寻常木料极易断裂,不知先生选用何种木料?又以何法衔接加固,方能承受耕犁之力?”
    方正指着犁辕弯折处的榫卯与铁箍包裹之位,细细讲解:“犁辕需选坚韧耐折的槐木、榆木,不可用脆木。衔接之处用暗榫咬合,外加熟铁箍三道紧固,受力之时分散力道,便不易折断。若是田间劳作频繁,可在铁箍外再缠麻绳浸油,既防雨水腐蚀,又能增其韧性。”
    说罢,他亲手演示拆装组合,墨者们围在一旁,目不转睛地盯着每一个细节,有人还伸手轻轻抚摸木料与铁件,默默记在心中。
    随后,方正指向那具尺余长的水车模型,轻轻往水槽内注水,轮叶即刻缓缓转动,将低处之水引向高处。“此为水力筒车,依水流之力自转,无需人力、畜力,置于河溪岸边,便可日夜不停引水灌田,大旱之时能保一方田苗不枯。”
    一名年纪稍长、看似为首的墨者眉头微蹙,拱手问道:“先生,若是河岸陡峭、水流湍急,这水车支架如何固定?若遇洪水暴涨,岂不是极易被冲毁?”
    方正从容答道:“支架需深埋河岸土中,以巨石压底,再用横木牵固两岸,根基稳则器身稳。若遇洪水,可将轮叶部分拆卸收起,只留固定支架,水退之后再行组装,如此便可长久使用,不至于一次洪水便前功尽弃。这模型只是示意,真正打造之时,可依各地地形宽窄高低,随意改制,不必拘泥于一种尺寸。”
    众墨者闻言恍然大悟,连连点头,心中越发敬佩先生不仅懂器械之巧,更懂实地应用之理。
    方正又拿起一具带密闭风箱、摇柄连动叶片的木匣:“此为飏扇,也就是风扇车。谷物收割脱粒之后,谷粒与糠秕混杂,如今世人只能用簸箕扬弃,不仅缓慢,还极易吹散谷粒,浪费可惜。这飏扇内有风轮,摇动摇柄便会生风,风力大小可控,轻轻一摇,糠秕便被吹出,谷粒则稳稳落下,顷刻之间便能清理干净,省时省力。”
    当即有墨者问道:“先生,风力若过强,会将饱满谷粒一同吹出;若过弱,则糠秕无法除净,如何把控风力分寸?”
    方正指着摇柄旁的可调风门:“关键在此。摇柄转速决定风力强弱,旁侧风门可开合调风,风大则开大,风小则关小,针对干湿不同的谷物,灵活调整,便能做到谷粒无损、糠秕尽除。”
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