Development of Model Car "HW αTwins Operated by the Hot Water Powered Low Temperature Difference Type Stirling Engine

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  • 08_お湯を熱源とする 低温度差 スターリングエンジンを 搭載した模型車 「 HW αTwins 」 の開発

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The model car "HW αTwins " with two cylinder engines operated by the hot water power e d alpha type Stirling engine was developed. Each of the two cylinder engines of HW αTwins had the same specifications as the engine of HW UnitTwo. The weight of the car increased significantly compared to HW UnitTwo, but since the engine power was doubled, sufficient power was obtained to drive. In addition, by using a paper cup with light weight and excellent heat resistance for the hot water tank, the sustainability was also improved. I participated in the HW class in the 25th Stirling Techno Rally as well as a driving test of HW αTwins. HW αTwins finished the race without stopping for three minutes and was able to drive 3.5 blocks. This result was 3rd place and was commended.

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