10-20 kg for a 20 kW E-Cat SKL is ‘Reasonable’ Guess

Andrea Rossi has stated that the size of the E-Cat SKL is 10 x 10 x 10 cm, and the energy required to start up the E-Cat and maintain its operation is 38 W. However he has not yet given an output power figure.

On the Journal of Nuclear Physics, Joseph Fine made a comment in which he tried to make a calculation of the energy density of the E-Cat based on an assumption that the E-Cat SKL power rating is 20 kW. He wrote:

A 1 liter (1000 cubic centimeters) volume of water has a mass of 1 kg. An estimate of 10 or 20 kg for the SKL mass is only a wild guess.

Is this estimate in the ball park?

Andrea Rossi replied:

Andrea Rossi
November 30, 2019 at 3:13 PM
Dr Joseph Fine:
A weight of 10-20 kg for an assembly of 20 kW is reasonable.
Warm Regards,
A.R.

This is not exactly a confirmation of Joseph Fine’s guess about the SKL that Rossi and his team have been testing, because we still don’t know how much the 10 cm^3 SKL weighs, as we don’t know what materials are inside it, but it maybe gets us a little closer to making an educated guess.

Using his assumptions, Joseph Fine calculated the energy density thus:

Assuming power output is 20 kW and charge lifetime is 6 months or ~ 182 days, the energy density in (Wh/kg) is 20,000 W * 24 hrs/day * 182 days/charge * (1 charge/x kg ) = ~ 8.7*10^7 Wh/(X kg).
If the E-Cat SKL has a mass of X = 10 kg, the energy density would be about 8.7*10^6 Wh/kg.

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