山猪X金龟
从刚刚关注RC模型起，就一直将Bruiser奉为田宫最经典的产品之一，特别是那颗三十年前设计的三速变速箱，可谓是学生时期对“遥控车”的最终幻想。奈何受限于手艺、时间等因素，始终没有入手这一“神作”http://image.rcfans.com/pic/20240127/1706287754575702_865.jpg?x-oss-process=image/watermark,image_cGljLzIwMjExMDA2L29zc18xNjMzNTM0ODIxOTgzXzg2NF81MzNfNTYucG5n,t_50,g_se,x_20,y_20
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后来生活、工作愈加忙碌，对模型的投入越来越少，兴趣也逐渐降低，但是仍然对山猪有所眷恋，遂决定在可能退模之前，入一辆。
山猪车壳细节很丰富，造型确实很经典，但是我收来的二手车有些瑕疵，实在是没时间精细打磨，另外就是体积有点大，正好手上有两个金龟车壳，又想起22年模型展田宫改装的Monster beetle大脚车，所以决定把田宫两个经典结合起来，搞一个三速四驱大脚金龟。
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“为一碟醋，包一顿饺子”，可以说是为了这个变速箱，改了这辆车。
首先最大的问题就是缩短轴距，金龟轴距比山猪短大约3cm，为此波箱位置需要做大幅调整，制作了新的固定件，将波箱整体往前、往上移动（往上是为了减少车桥干涉），另一个改动就是在后桥输出轴上安装了一个1:1的分动箱，主要是为了将后输出轴降到和前轴一致的高度，减小缩短轴距后传动轴的角度。
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车架的改造主要是“锯”，适配短轴车壳。轴距缩短也就不能用原车的板簧结构了，最终选择了四连杆形式。
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车桥最后选择了易控的差速桥，一是因为易控前桥输入轴偏右，恰好能与山猪波箱输出轴位置匹配，二是可以锁差，算是一个现代化改造，配件也便宜好买，增加可玩性。当然，也做了原装桥的安装方案，可以比较方便的整体替换。
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转向结构没有使用攀爬车常用的梁舵或者桥舵，一是因为波箱前移，导致车前空间有限，不好布置梁舵，二是桥舵会影响车桥运动上限（虽然也不指望这车有什么性能，但同时也减轻了前桥的整体质量），最终按照原版的思路，在波箱底板处安装了中继转向臂，实现了转向舵机后置，这样和换挡舵机一起固定在电设板上，也算是与原版保持“一致”了。同时，换挡舵机做了一个缓冲件，与原版舵保结构相比，换档更加柔和一些。
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悬挂采用了卧式避震，主要是因为车架前窄后宽，和车桥固定点不匹配，卧式好布置一些，也能增大桥的行程。
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最终车架的状态还是比较紧凑的。
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车壳固定保留了山猪的前支架，后面采用了金龟的卡扣式，还是挺方便的。
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最终效果。
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一些细节。
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换了黑脚车壳也不错
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换上田宫大脚胎也还行
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最后，后来买了很多贴纸，有原版金龟，闪电金龟，京商金龟，黑脚，牛头等，最后都没贴，算是保留一些改动的空间，让这份可能会逐渐消散的热爱，能保持下去。
干的漂亮 动手能力好厉害 苦命娃 发表于 2024-01-27 12:48
干的漂亮
感谢捧场https://app.rcfans.com/public/emotion/face_076.png big8ear 发表于 2024-01-27 18:54
动手能力好厉害
过奖了，前后改了一个多月，也遇到很多问题https://app.rcfans.com/public/emotion/face_wulian.png 下地测试
http://image.rcfans.com/pic/20240128/1706401761060375_950.gif 带大梁的金龟，够硬https://app.rcfans.com/public/emotion/face_068.png Deanwon 发表于 2024-01-29 09:53
带大梁的金龟，够硬
大梁金龟还是挺多的，很多拿cr01改，也很不错 测试【田宫山猪+金龟-哔哩哔哩】 <br /><iframe src="//player.bilibili.com/player.html?bvid=BV1WB42167xW" scrolling="no" border="0" frameborder="no" framespacing="0" allowfullscreen="true"> </iframe> 太棒了，精品改装啊
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