The $29.99 all-metal desktop Stirling engine kit is one of the simplest. It can be assembled in 15 minutes and is recommended for ages 14 and up. Also for $29.99 is the Exploring Kid Steam Engine Kit.
BMWやMINIも、エンジンの直噴化や無段階可変バルブ制御の「バルブトロニック」、マニュアルベースのDCT(ダブル・クラッチ・トランスミッション ...
Electrogenic's ‘drop-in’ kit allows you to convert your old Mini into an EV from the comfort of your garage. Apparently it's ...