1/7 KM油动拉力，从开箱到下地过程分享
从听说km要出油拉力，到真正拿到手感觉过了快一年了。突然有个小伙伴突然v我问我怎么调油车，然后发来一张底盘的照片。我一看，这不就是传说中的km油拉力嘛，之前只在视频里看过。他说得拍点视频，于是远程帮他调好车之后就下单了。管他好坏，2024年还愿意出新款油车，我横竖得支持一波呀。包装还是和电版的一样是带电调的底盘线稿
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主要内容物有预组装的车架车壳，一盒排气组件，一盒引擎附件，不带引擎，还有一袋说明书。
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底盘不知道是不是7075t6，cnc加工喷砂再氧化成黑色，质感挺讨喜的。
中部是双速变速器和两组刹车，和gt的配置一样。原车已经带了开关。
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引擎附件包里包括离合一套，引擎座一对，垫片若干，两根排气软管，一套带棉空滤。空滤是金属的，估计是产量不高，专门开模做尼龙的可能不划算。
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车壳很顶，该有的细节都有，不过比较重，有将近800克，带灯和灯控。贴纸建议还是拿吹风机吹一下挤出多余的气泡压实贴合车壳的各种转折和曲线，这样效果更好。尾排是cnc加工的，非常贴合。
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1:7的车个头还是很大的，和禾宝8sc是相同轴距，个头和1/8大脚差不多了。
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那么接下来，我来讲讲装车遇到的问题以及解决方案。以下结论都是本人多轮下地迭代之后的结论，为了节省篇幅就不按时间顺序而是装车顺序来讲了。
首先是发动机排量选择：
如果喜欢尾排，推荐21级竞赛引擎，排量小，转速高，功率足，尾排的长管对输出影响较小。缺点是需要启动台，略微不便。
如果想用手拉引擎，推荐不大于25级，比较平衡，性能影响较小。
如果要更暴力，可以用28级引擎，但是推荐侧排排气。底盘上有预留侧排排气的固定孔，弹簧固定架可以复用尾排的固定架。如果一定要用尾排，会略微影响动力，引擎调整也会因为回压较大变的比较难调。
我用的是亚格斯的k3 evo，之前在竞速卡上用过，拆下来装给拉力。动力上起飘，加速，完全够用，前提是离合弹簧不要用原厂的。
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离合飞轮比一般8越要大一圈，并且前伸非常多，应该是引擎座为了照顾手拉，抬的比较高，为了启动台够得到飞轮，所以做的加大。装之前一定看一下和化油器是否干涉。
原厂带的离合弹簧一定不要装，非常的软，起步结合太早，憋转速而且无力。估计是第一次做油车没有经验。 这里推荐用fire的一套甩块加最硬那一组弹簧，油门会感觉很轻快。
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空滤的话我没有用原厂自带的，因为手头上有很多富裕的京商海绵，所以用了京商越野的空滤，面积大，好买棉。
选完发动机之后不急着往上装，把二档的齿轮拿下来，用火机或者热风枪先烫一下接杯，把螺丝胶烫失效之后分解变速机构。 一定检查一下二档甩块正中间的孔洞里有没有机米。如果没有的话，就是中奖了，需要自己装一对m4的机米，顶住中间的零件。否则二档挂不上的，参考下图剖面。我很悲催的中奖了，调了一早上硬是没有二档。
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接下来是车架的一些必要修改：
防倾杆的球头帽太粗了，会和摆臂产生干涉，导致摆臂运动不畅。这里可以将球头帽的侧面打薄一些，这样就不会干涉了。
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转向组肯定是卡瑟的，原因在于c座和转向组的配合过于紧密。这里推荐用电摩或者笔刀磨掉上面一侧螺丝孔位附近的部分尼龙材料。选择上面是因为该零件主要受力在下沿，上面磨多点少点不太影响精度。
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轴距这个需要根据实际情况来看。目前我的前轮是正好在中间，而后轮位于后轮拱中心点靠后2mm的位置。在后轮避震完全压缩的时候会卡到后轮轮拱。 本身拉力的姿态就比较大，那么加速的时候会磨轮胎和车壳。要缩短轴距的话可以把后轮c座的朝前的部分材料磨掉，再后面垫一些介子，可以缩短大约2-3mm的样子，反之也可以增加轴距。
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然后就是电设的安装：
中间的开关面板可以拆掉，里面还有额外布线的位置
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接收机我用的是fs的增强型接收机，配了一个温度感应模块，这样就不必拆车壳测量温度。传感器捆在引擎散热顶最靠近燃烧室顶的那一圈上。
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排气管的接法就比较野路子，因为车壳排气上方还有个牌照的内凹，而且刚好是尾部车壳快拆的位置。安装非常极限，基本卡在那个直角上。这里感觉设计欠妥当，但是也能勉强用
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灯的排线建议从尾部设备盒走出去，从排气管下方穿到屁股上的快拆扣那里。
车壳开孔可以打两个侧窗，尾窗不建议完全挖掉，可能影响强度，挖两个孔比较合适，平常玩的时候也看不到，尾翼给挡住了。
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最后就是原厂带的油箱材料使用出了大问题。盖子在接触燃油之后会粉化，掉黑色的粉末进油箱。箱体本身内管也会随时间逐渐裂开，导致内置油虑失效，吸油也会遇到问题。目前我使用了mugen的竞速卡油箱，可以装入原孔位，但是有点卡前斜撑。
http://image.rcfans.com/pic/20241004/1727971722381673481.jpg?x-oss-process=image/watermark,image_cGljLzIwMjExMDA2L29zc18xNjMzNTM0ODIxOTgzXzg2NF81MzNfNTYucG5n,t_50,g_se,x_20,y_20
接下来上几张下地的图吧
http://image.rcfans.com/pic/20241004/1727971722143703147.jpg?x-oss-process=image/watermark,image_cGljLzIwMjExMDA2L29zc18xNjMzNTM0ODIxOTgzXzg2NF81MzNfNTYucG5n,t_50,g_se,x_20,y_20
http://image.rcfans.com/pic/20241004/1727971722190743210.jpg?x-oss-process=image/watermark,image_cGljLzIwMjExMDA2L29zc18xNjMzNTM0ODIxOTgzXzg2NF81MzNfNTYucG5n,t_50,g_se,x_20,y_20
http://image.rcfans.com/pic/20241004/1727971722239458637.jpg?x-oss-process=image/watermark,image_cGljLzIwMjExMDA2L29zc18xNjMzNTM0ODIxOTgzXzg2NF81MzNfNTYucG5n,t_50,g_se,x_20,y_20
http://image.rcfans.com/pic/20241004/1727971722408821318.jpg?x-oss-process=image/watermark,image_cGljLzIwMjExMDA2L29zc18xNjMzNTM0ODIxOTgzXzg2NF81MzNfNTYucG5n,t_50,g_se,x_20,y_20
http://image.rcfans.com/pic/20241004/1727971722461572269.jpg?x-oss-process=image/watermark,image_cGljLzIwMjExMDA2L29zc18xNjMzNTM0ODIxOTgzXzg2NF81MzNfNTYucG5n,t_50,g_se,x_20,y_20
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http://image.rcfans.com/pic/20241004/1727971722573908751.jpg?x-oss-process=image/watermark,image_cGljLzIwMjExMDA2L29zc18xNjMzNTM0ODIxOTgzXzg2NF81MzNfNTYucG5n,t_50,g_se,x_20,y_20
http://image.rcfans.com/pic/20241004/1727971722628418403.jpg?x-oss-process=image/watermark,image_cGljLzIwMjExMDA2L29zc18xNjMzNTM0ODIxOTgzXzg2NF81MzNfNTYucG5n,t_50,g_se,x_20,y_20
http://image.rcfans.com/pic/20241004/1727971722684286860.jpg?x-oss-process=image/watermark,image_cGljLzIwMjExMDA2L29zc18xNjMzNTM0ODIxOTgzXzg2NF81MzNfNTYucG5n,t_50,g_se,x_20,y_20
最后祝大家少走弯路玩的开心https://app.rcfans.com/public/emotion/face_heiha.png
玩车视频 KM 1/8 油动 拉力下地视频
<iframe src="//player.bilibili.com/player.html?isOutside=true&aid=113244211516609&bvid=BV1ERxXeTEBr&cid=26127634035&p=1" scrolling="no" border="0" frameborder="no" framespacing="0" allowfullscreen="true"></iframe>
红牛涂装是28级sts引擎+ys25%油
阿布扎比涂装是21级亚格斯k3evo引擎+rapicon25%油
阿斯顿马丁是三叶15级引擎+rapicon16%油
克尔维特是RB k11 21级引擎+ys25%油 写的很官方，像约稿。
不知车架耐久性如何。 我的帖子全是这个风格，只抖干货不输出情绪，约稿是不可能约的，写这么多缺点，甲方还不撕了我？ 空车架多少钱入的，看起来还可以 写得很好，看了觉得不能买国产车，细节欠缺啊，邮箱竟然会溶掉，这车送我都不要 yysqu 发表于 2024-10-04 12:19
空车架多少钱入的，看起来还可以
我买的时候接近3000吧。性价比不算高，但是算是有点特点的油拉力车架：双速，尾排，仿真带灯壳。wr8和drx现在都停产了，想玩油拉力的话选择太少了。 OK健 发表于 2024-10-04 12:21
写得很好，看了觉得不能买国产车，细节欠缺啊，邮箱竟然会溶掉，这车送我都不要
确实，细节上还是差点，别的问题都好解决，油箱是最大的问题。当时发现掉粉之后都有点崩溃，商家也补发了新的油箱盖，结果发现油箱内管还裂了，完全没心情换。幸好后来找到了替代油箱，不然真想卖车了。 这车结构跟一代相比没啥变化，用HPI D8的油箱应该可以完美替换。这车安装还需要打磨这么多地方么？这样我还是玩我的GT8L去吧，本来是看重这玩意有尾排， 感谢分享，支持楼主，先顶后阅 好文章