第75章:弓弩研发,信号发射新方式
第75章:弓弩研发,信号发射新方式(第1/2页)
风从坡上吹过,卷起几片落叶。陈默合上地图包,腕间红绳轻轻一荡,转身朝营地后山走去。太阳还没落尽,余晖照在半山坡那间低矮的土棚上,棚顶盖着油毡和茅草,门框歪斜,是前些日子刚腾出来给科研用的屋子。他记得岑婉秋说过,这两天要试个新东西。
推开木门时,一股铁锈混着松节油的味道扑面而来。棚内不大,一张长桌占了大半地方,上面摆满零件:缴获的弹簧、拆下的枪机片、竹片削成的箭杆,还有几根涂了红漆的小管子,看着像是信号弹壳。岑婉秋正低头拧螺丝,金丝眼镜滑到鼻尖,白大褂袖口沾着黑灰,左手无名指上的戒痕在灯光下一闪。
“来了?”她没抬头,手里的扳手“咔”地拧紧一颗螺帽,“正好,刚调好第三版。”
陈默走近桌边,目光落在中间那件东西上——弓身能折叠,弩臂用两段硬竹拼接,外裹铁皮带加固,尾部有个卡槽,装的是拇指大小的信号箭。“这就是你说的那个……静音发信的?”
“叫‘响弓’太俗。”她摘下眼镜擦了擦,“我打算叫它‘飞星一号’。不打人,专打天。”
陈默咧嘴一笑:“听着像江湖卖艺的招牌。”
岑婉秋不理他,拿起一支信号箭递过去:“箭头是磷火胶囊,外壳加了一圈凹槽,撞针触发就爆闪,持续十秒以上。尾羽用了双翼结构,比上次稳定多了。”
陈默接过箭,沉了些,重心靠前。“上次不是偏了二十米?”
“配重没算准。”她指着桌上一张草图,“后来我把铅块往前移了三毫米,又换了尾羽角度。刚才试射两次,百米内偏差不超过五步。”
“真有你说的这么灵?”
“不信你去试。”
陈默扛起弓弩,往外走。岑婉秋抓起工具箱跟上,两人一前一后穿过营地边缘的林子,来到东坡一块空地。远处山坡上插着一根木杆,绑着块红布条,风吹得呼啦响。
“靶子有了。”陈默蹲下检查弩机卡扣,拉弦动作利落,“你说这玩意儿比哨子强在哪?”
“哨子只能传声,这能传光。”她站到侧后方,“夜里五百米外都能看见红光,还不惊鸟不扰林。”
陈默眯眼瞄了会儿,扣动扳机。
“嘣!”
箭矢破空而出,划出一道弧线,砸在靶子左侧树干上,“啪”地炸开一团红光,像谁往树上甩了桶油漆。
(本章未完,请点击下一页继续阅读)第75章:弓弩研发,信号发射新方式(第2/2页)
“偏了。”岑婉秋皱眉。
“十步内,还行。”陈默起身拍灰,“至少没飞进沟里。”
第二箭,他调整了仰角,发力更稳。箭出如离弦,直奔目标,正中红布下方,“轰”地炸亮,红光晃得人睁不开眼。
“成了!”陈默回头笑,“比打兔子准。”
岑婉秋点头,翻开本子记下数据:“射程一百一十七米,触发正常,无哑火。”
第三箭换了个高点发射,这次飞得更远,落在坡顶石头堆里,照样爆出红光,持续七八秒才熄。
“最远能到一百三十米。”她说,“如果顺风,还能再推一段。”
陈默把弓弩背起来,来回走了几步,试试负重。“轻,好带。收起来巴掌大,塞腰里都行。”
“每人配一具,侦察小队轮用。”岑婉秋合上记录本,“我已经画了简易图解,贴在弓背上,一看就懂。”
“识字不多的也能使?”
“全是图画。拉弦、装箭、瞄准、击发,四步搞定。”
陈默想了想,从牛皮地图包里掏出炭笔,在“侦察装备更新”栏写下一排字:“信号弩×5,明日随训带入山区。”写完吹了口气,纸页轻颤。
“今晚就得封好。”他说,“明天拉练要用。”
“后勤那边我已经打了招呼。”岑婉秋说,“今夜就能封装完毕。”
她说话时,手指无意识摩挲着箭筒边缘,指甲缝里还嵌着一点铁屑。陈默瞥见她眼下青影,知道她连着熬了两个通宵。
“你不歇?”
“第二批还得改。”她摇头,“这批材料不够匀,张力容易失衡。我想试试加一层藤筋缠绕,增强回弹。”
陈默没再说什么,把弓弩递还给她。“那就按你说的办。名字也别改了,‘飞星一号’挺好,听着像要上天。”
她接过,嘴角微动,算是笑了。
两人原路返回科研棚。夕阳已沉到山脊后头,最后一缕光照在棚门口的铁皮桶上,反出一道亮边。岑婉秋进门第一件事就是翻图纸,铺在桌上,拿铅笔勾画新的结构线。陈默站在门口看了会儿,见她袖口又蹭上一道新锈迹,便没打扰,转身离开。
风穿棚隙,吹得桌角图纸哗啦响。红绳在晚风里轻轻一荡,陈默的身影消失在通往主营地的路上。
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