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Baluncore's latest activity
Baluncore
replied to the thread
I
How feasible is home radio astronomy?
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You are free to select your transform size. For one project, I was monitoring the background noise floor across the HF band from 1 MHz...
Oct 15, 2025
Baluncore
replied to the thread
The usage of dipole-dipole array in Lumpur Sidoarjo (Lusi)
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I think the mud is probably marine, originally volcanic ash, washed into the sea. That mud will probably be more conductive than the...
Oct 14, 2025
Baluncore
replied to the thread
I
How feasible is home radio astronomy?
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If you get serious about doing home RA, you will build your own two channel receiver, from FET based LNAs, with matched band-pass...
Oct 14, 2025
Baluncore
replied to the thread
The usage of dipole-dipole array in Lumpur Sidoarjo (Lusi)
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Welcome to PF. https://en.wikipedia.org/wiki/Sidoarjo_mud_flow There may be someone here who knows the answer, but this question is...
Oct 14, 2025
Baluncore
replied to the thread
How might electronics be different if AC voltage was 72V at 45 Hz?
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Ferranti was only hired to design the first. Sebastian Ziani de Ferranti was hired by the London Electric Supply Corporation, to design...
Oct 14, 2025
Baluncore
replied to the thread
How might electronics be different if AC voltage was 72V at 45 Hz?
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48V, 400Hz was mainly used in aircraft for instrumentation, gyros, synchros, resolvers, and magnetic amplifiers, all of which were, in...
Oct 13, 2025
Baluncore
replied to the thread
How might electronics be different if AC voltage was 72V at 45 Hz?
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There is a reason why they originally settled on 73 volts. Maybe insulation was expensive, while silver was free.
Oct 13, 2025
Baluncore
replied to the thread
How might electronics be different if AC voltage was 72V at 45 Hz?
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But only on Earth. Back on their home planet, where 80% of their thin atmosphere was argon and neon, with many cosmic rays, there would...
Oct 13, 2025
Baluncore
replied to the thread
How might electronics be different if AC voltage was 72V at 45 Hz?
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This thread is about low frequency, low voltage supply, not the game theory of ELINT and IFF etc.
Oct 12, 2025
Baluncore
replied to the thread
How might electronics be different if AC voltage was 72V at 45 Hz?
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AlexB23 is correct, Australia now employs the international standard, 230V at 50Hz. There is a broad voltage tolerance, so in many...
Oct 12, 2025
Baluncore
replied to the thread
Turbocharging carbureted petrol 2 stroke engines
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As a parallel to the spark-ignition, two-stroke hybrid engine, there is a fuel injected, two-stroke diesel hybrid. The Napier Nomad...
Oct 12, 2025
Baluncore
replied to the thread
Engineering
Looking for recommendations for reference/textbooks on Flight Dynamics
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https://z-library.sk/s/flight%20dynamics
Oct 11, 2025
Baluncore
replied to the thread
Why does the amperage go real high if there is a low voltage short?
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Yes. Ohm's Law. I = V / R. Current is equal to voltage, divided by resistance. The main AC supply distributes a standard voltage. The...
Oct 11, 2025
Baluncore
replied to the thread
How might electronics be different if AC voltage was 72V at 45 Hz?
.
If they were so silly as to standardise on such a low voltage and high current system, I doubt they would have advanced electrical...
Oct 11, 2025
Baluncore
replied to the thread
How might electronics be different if AC voltage was 72V at 45 Hz?
.
Because wiring heat losses are W = I²·R, aluminium wire would work, but never steel for the conductors, more likely copper or silver.
Oct 11, 2025
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