Hpi4.6更换6.3CC发动机
2010年购买的hpi4.6，第13个年头了。几经沧桑、跑过10多升油，车上换了不少配件，原配的28级发动机三配套也换过，但现在怠速已经稳不住、气密性彻底垮了。无奈三配套易损件已经买不到。只能更换动力。 原配的动力其实也够用，调得好也能抬头。http://image.rcfans.com/pic/20231223/1703328667136704436.jpg?x-oss-process=image/watermark,image_cGljLzIwMjExMDA2L29zc18xNjMzNTM0ODIxOTgzXzg2NF81MzNfNTYucG5n,t_50,g_se,x_20,y_20
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但为了有更富足动力，直接先用FC的38级发动机。这机头排量比原机大1.6cc，扭矩大得多，也就是只需要部分负荷就能达到原配动力水平。发动机座需要修改才能装上。安装、磨合过程省略一万字。
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外场测试。动力自不用说，全程从未用过超50%风门开度。动力大得过分，想不抬头得悠着点。测试视频：【hpi4.6更换发动机-哔哩哔哩】 <br /><iframe src="//player.bilibili.com/player.html?bvid=BV1qQ4y1u73o" scrolling="no" border="0" frameborder="no" framespacing="0" allowfullscreen="true"> </iframe>
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即便和1/5汽油车、revo3.3硬刚直线速度，起步加速，有极大优势。【更新啦，赶紧来围观吧！-哔哩哔哩】
<iframe src="//player.bilibili.com/player.html?aid=495218851&bvid=BV1VK411t7ih&cid=1378014939&p=1" scrolling="no" border="0" frameborder="no" framespacing="0" allowfullscreen="true"> </iframe>
https://app.rcfans.com/public/emotion/face_071.pnghttps://app.rcfans.com/public/emotion/face_071.pnghttps://app.rcfans.com/public/emotion/face_071.png 说实话，sh的 pt28可能更有性价比一点https://app.rcfans.com/public/emotion/face_wangchai.png毕竟排量小省油，实际表现也不见得比这个差
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