eccentric training

So,
now I have finished building my eccentric training apparatus.

It is basically a modified power cage, equipped with two electrical hoists.
I am using it to do heavy eccentric squats on it.

I have done two weeks of training, each week consists of two sessions, each session is 4'4 full squats using as much load as I can handle. In my case it is 130 kg.

It is kind of scary....But it is probably mostly because the whole situation is so new. I ( or my assistant) lower the weight using the hoists, at a fairly slow pace (0.083 m/s or 5m/min). I try to keep the wires slack, by resisting the downward motion. When the bar hits the bottom, i let the hoists carry it back up again. Sounds simple, but as I said, it is pretty demanding mentally to try to work on 130 kg, use as much force as possible, and keep good form.

I have never squatted more than 100 kg before, so 130 kg is "overload" for sure.

The funny thing is that the excercises seem to be working- the pain is almost gone, but it is replaced by a really bad case of DOMS.