MIT has a comprehensive set of courseware available online for private study. Plenty of Math, Fluid Mechanics and Aerodynamics for the serious student. ... ...
Julian Hatcher did some research on this in the 20s, using machine guns. He had the still water surface of a pond to observe the returns. He said that firing...
Here is a solution for the down side, when the item is falling - v = sqrt(mG/b)tanh(t sqrt(bG/m) where v is the velocity, G the gravitational constant and b...
Is it possible that there are in fact 3 phases of the flight the first when the bullet is above terminal velocity on the up flight and in turbulent flow, the...
I don't know of any other group with a more diverse knowledge base than this one. I learn so much from you all and hope you might help me here. I have a...
Sounds like a grounding problem, try running a separate wire between the radio and a good ground. The factory radio has one of the mounting brackets as its...
... Had a rabbit with an AM radio. ... Ok, note that it's fine (engine wise) idling. ... OK, now if you turn the turn signal off, does it come back? any change...
Mythbusters studied this issue too and found the falling velocity to be much less than the muzzle velocity. After seeing their show, the "no dent in the...
Could be that the antenna and power wires need filters. The ANL circuits in the radio (automatic noise limiter) could be causing the volume drop as they try...
Radio in my Tracker picks up ignition noise, and the 60 hz powerline leakage. Would a ground fix that too? Mert mertbaker@... ... From: James W. Early...
Mert His is not ignition noise and 60hz under a power line is ambient broadcast from the power line overriding the radio signal. You can however improve...
He said it was a Diesel (no ignition system) ... From: James W. Early To: 7x10minilathe@yahoogroups.com Sent: Friday, February 01, 2008 12:18 PM Subject: Re:...
thanks, Jim, the hi tension wires in this thing have 90K miles on 'em. I'll have 'em replaced, & see. Mert mertbaker@... ... From: James W. Early To:...
As a newbe to the group let me thank you all for being here, I've already learned quite a bit by reading your posts. My question is: I purchased the 7X14...
There used to be (in the days of points and early electronic ignitions) a capacitor to shunt the RF noise. It wasn't mounted near the radiator, but somewhere...
Thank you very much everyone! It's been pointed out to me (by someone who emailed me offlist and didn't sign his name) that "the 'v' in the first equation is...
AM signal are vertical polarized. So the best position for an AM antenna is vertical. On the other hand a FM signal is horizontally polarized. Leon kc0iv ... ...
Leon Standing wave (AM) or sine wave (FM) are both improved by angling the antenna. Fact is the only reason those built into the window antennas ever worked at...
... Many diesels made in the 21st century have "common rail" injection systems similar to gasoline MPFI systems. They're more flexible than the old gear driven...
... They found that when fired PERFECTLY STRAIGHT UP the bullets all came down tumbling. When the gun was at any angle off PERFECT VERTICAL the bullets didn't ...
Losing AM is usually a symptom of a faulty antenna lead. Try connecting a different antenna - the lead is usually permanently attached to the antenna. You'll...
On SOME of the newer vehicles, they use the +12 volt wiring as a communication link. Things like electric windows, cruise control, radio, etc. In some cases,...
Sounds like a bad ground connection creating feedback, the electrical equivalent of moving a microphone too close to the PA speaker and the whole system starts...
Replacing them with copper plus the resistor in the sprk plug connectors is a good approach, then they give a better spark and last longer. The carbon...
