Calculation of the Moment of Inertia

Dear CR4 Forum Members,

Yesterday I was scrolling through few cr4 links and I saw one topic HOW TO CALCULATE MOMENT OF INERTIA. I have opened and wanted to read.

Before I read the link suddenly vanished. I did not notice on what date it was included. I tried to locate through sea

Jeep 12v vs 6v Condensers

I have a 1942 ww11 jeep I've been told that all condensers are the same and that there is no difference between a 6v system and a 12v system. Mine is a 6v system. Does anyone know for sure if this is right or is there a separate condenser for each system.

Nagging wife and kids

Well its that time of the year again and the wife and kids are screaming for their new swimming pool. Now I could just go out and buy one of those fancy kits, but that just seams to take the fun out of it, now doesn't it. My area of expertise is not concrete, so that is out of the question. What

Frame Dragging and Space. (Cosmology)

Since frame dragging has been pretty well accepted, has a quantitative value for the "resistance" of space/time been determined? To me, frame dragging indicates that space/time has substance, yes it must be tiny, but never-the-less it should be quantifiable, hence, my question.

Pressure Inside a Paper Roll

We are looking to simulate print offset in a rewound paper roll. But to know what pressure(force) to use on the offset test we need to understand what kinds of pressures are present inside the roll.

From what I've been able to reason is that these pressures are going to be directly proportio

Could Life Survive on Mars? Yes, Expert Says

From Space Wire Top Stories:

Researchers at McGill's department of natural resources, the National Research Council of Canada, the University of Toronto and the SETI Institute have discovered that methane-eating bacteria survive in a highly unique spring located on Axel Heiberg Isl

Report Urges More Education About Online Safety

From Wash Post Technology:

An online safety committee created by Congress will recommend on Friday that educators and government leaders focus on teaching children and parents about safe Internet practices while recognizing the limits of filtering technology in protecting young peo

Small Engine Hour Meter

I have a Briggs & Stratton #030210 Elite Series 13,500 Watt 15 HP Vanguard OHV Gas Powered Portable Generator With Electric Start.

I would like to add a surface mount hour meter for maintenance tracking. B&S does have a #5081H hour meter but the reviews I have read are mixed. One major

Survival wind speed meaning?

Dear Colleagues, I have to design 56m lattice tower about these parameters: Basic wind speed (3 sec gust)- 42m/s Survival wind speed 48,8m/s What is the meaning of these 48,8m/s how to use this data in my design? I would design the tower for 42m/s using the results from 1,2D+-1.6W combo. Will design

Air Purifiers

I am looking to purchase an Oreck air purifier, but am concerned that they are way over priced and in all actuality have no benefit. Does anyone have experience with Oreck air purifiers and are they worth the price?

FDA Approval Is Not A Shield

From Chemical & Engineering News: Latest News:

Generic drug manufacturers are not shielded from lawsuits over the safety of their products despite FDA approval, a federal judge has ruled. On May 26, U.S. District Judge Berle M. Schiller refused to dismiss litigation brought by c

Harnessing a Star's Power for Clean Energy

From CNET News.com:

Think clean energy is a fantasy? What if the power of a star was applied to the problem? That's the approach being explored at the National Ignition Facility, a huge-scale experiment in laser fusion based at the Lawrence Livermore National Laboratory here. Sc