Several tests using several recovery coils mounted on chamber ERC-16. The test S4027 that was equal to S4026 recovered 10% more energy. It was installed nonaligned electrooptical mirrors in test S4029 using ERC16. It was generated large internal pressure dismantling the mirrors.
![](https://pulsotron.com/wp-content/uploads/2021/01/S4031-300x178.jpg)