its just simple tube from drainage. simple cheap to buy easy to work with. i use 2x16cm ports. you make form its like 3 plates one 16,17,18cm when you heatig it up with heating pistol and pushit down it goes to the sides..like i hope you understand.
Ye about @1ohm waiting for 3-5 batteries hawker 12hx300 72ah 3175A Max this battery lose to xs power 3100d just a lil bit from 10 spl tests its lose first two tests 0,2db later the same to the end all 8test.
this is a video but in russian but you will se the numbers its gzpa 10000.1 each burp its around 4.8kw after 10 burps the voltage drops from 0.1-0.2V but the prise is 2x less its ok for me i dont have so much money for xs power 3100d.so will se hot it goes with hawker price 169euro