Recent content by Baluncore

900°F is too hot. It is over the maximum 410°C specified. We are not cooking, please use SI units.

Without a wider range of experimental capacitors, I would use 20uF in that application. It is a case of balancing the inductive reactance against the capacitive reactance. The asymmetry of the converter voltage is not part of the neutralisation challenge, it just confuses it. You are measuring...

'Fade' is one of the parameters that will play a part in the selection of future lunar energy-storage technologies. Fade may become irrelevant when considering other more important parameters, those you are ignoring, because you do not yet know what they are. The decision will be made by the...

That is not your decision to make. Once a solar furnace is operating on the Moon, it will be possible to extract chemical elements from the melt, using electrolysis, driven by PV energy. That will be a game changer when it comes to manufacturing solid state batteries and capacitors, for use on...

Yes. Carbon based fibres will be expensive and hard to find. If there is a manufacturing plant on the Moon, with a solar furnace operating during the lunar day, basalt wool will become the most common fibre or string available.

Yes, it would be my first choice for an 0.032" thick, 1" strip, that was 7 ft long. But what is the resistance of that strip? Room temperature resistivity of Al is 2.82×10−8 ohm metre. Length is 7' = 2.1336 m. Width is 1" = 0.0254 m. Thickness 0.032" = 0.813 mm = 0.000813 m. Area = 2.065e-5...

Those are for the closed or stopped pipe. Organ pipes are mostly open at the upper end, so acoustic radiation is from that open end, towards the reflective roof of the building, not significantly from the mouth of the tube. The organist will probably be listening to the nearby mouths of the...

The problem with aluminium is the electrical and thermal conductivity. I expect you could induction heat the surface of aluminium, quickly, at MHz frequencies. There would be a benefit in changing the heat loss from your non-existent stove or furnace. Obtain an insulated ceramic tube that can...

A high siphon will "cold boil" the dissolved CO2 out of the water at the crest. That can block the liquid flow through the siphon. Keeping the siphon cool, out of direct sunlight, should maximise the height by reducing the partial pressure of CO2 and of H2O at the crest. A trompe operates on...

Not needed if you take an anabolic steroid = a-steroid.

A spherical asteroid, or the hemispherical ends of a cylindrical asteroid, would make for an interesting walk. Walking along the inside wall of the cylinder gets you to the start of a hill, gentle at first, but becoming steeper, until it becomes vertical at the axis. The centrifugal force that...

Have you never done a gravity survey from a moving submarine?

If you threw a ball to a person ahead of you, would the ball plunge towards their feet. If you threw the ball to someone behind you, would the ball climb, over their head.

There will be an unstable Lagrangian point line along the rotational axis. How does someone who is flying stay on that line? The rate of the rotation could be changed by having people climb the wall to the axis of rotation. It would then spin faster, until they climbed down again. That would...