I will experiment with the above circuit which a physicist, Gyorgy Egely, has used extensively.
At the moment I scavenge parts.
For more info, see https://www.lenr-forum.com/forum/thread/7294-scottish-right-reactors/?postID=214294#post214294
https://www.iccf24.org/ which Google sponsored.
https://iccf26.org/ which shortly will finish.