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hi i'm a student looking for information on a diesel generator that was placed in my care . have no book or serial or m...
0 comments posted 21yrs
posted by tk_b
0 comments posted 21yrs posted by tk_b

Could giant wind farms disrupt weather?

One source of renewable energy often bandied about is wind power. It seems some proponents would have "wind farms" all...
3 comments posted 21yrs
posted by dionysus_2112
3 comments posted 21yrs posted by dionysus_2112

CTOD or COD

Hi Friends, Any body working on Crack Opening Displacement or Crack Tip Opening Displacement. Please let me know i am w...
3 comments posted 21yrs
posted by srikanthborra
3 comments posted 21yrs posted by srikanthborra

Exit velocity of a water pipe.

Assume a horizontal water pipe. Then Bernoulli's equation reads: Pi + 1/2(density)(Vi)^2 = Pe + 1/2(density)(Ve)^2 , wh...
14 comments posted 21yrs
posted by rgregoryclark
14 comments posted 21yrs posted by rgregoryclark

Metric Helicoil tap drill table

Hello. Could anybody suggest table that covers this issue. THNX.
1 comments posted 21yrs
posted by doctorf72
1 comments posted 21yrs posted by doctorf72

35 amp transformer wanted

I build 10-11 volt power supplies for my repeater's transmitters. Since they pull around 20-25 amps I've been using 35...
3 comments posted 21yrs
posted by wa7ycp
3 comments posted 21yrs posted by wa7ycp

Space towers as a heat engine?

During an earlier discussion of the space elevator or tower, someone mentioned that you could use the temperature diffe...
8 comments posted 21yrs
posted by rgregoryclark
8 comments posted 21yrs posted by rgregoryclark

An atmospheric envelope for ground-based telescopes.

In this post I suggested a low-cost means to have permanently erected space towers: Newsgroups: sci.astro, sci.physics,...
26 comments posted 21yrs
posted by rgregoryclark
26 comments posted 21yrs posted by rgregoryclark

Cutting small tubing

How do you cut small stainless steel tubing of 1/16 inch O.D. into 1/2 inch long pieces. I've tried a small cutting whee...
9 comments posted 21yrs
posted by Saulnir
9 comments posted 21yrs posted by Saulnir

Pyroelectric Anno Mirabile

Nature (today) is reporting neutron production with He traces in a deuterated pyroelectric crystal following gentle hea...
1 comments posted 21yrs
posted by betwys1
1 comments posted 21yrs posted by betwys1

Looking for a certain transducer

Usually I give a more specific title to my posts, but the problem is I don't even know the name of what I'm looking for...
6 comments posted 21yrs
posted by Csaba
6 comments posted 21yrs posted by Csaba

project a support for tank

Hi, I product wine (white) and I have a tank cilinder, in vertical position. Now, i want build one structure, on the fl...
5 comments posted 21yrs
posted by J_tek
5 comments posted 21yrs posted by J_tek