[TowerTalk] Rotator specs?

[W3YY]

Steve -

I saw some replies, but am not sure anyone fully explained the reason why
lb-ins is the same as in-lbs.  Here's why:

When you see some numerical result with two concatenated units, like
inch-pounds, it just means that some distance in inches has been multiplied
by some force in pounds.  For example, a 3 pound force exerted at a distance
one foot would provide 3 x 12, or 36 in-lbs of torque.  Or 36 lb-inches of
torque.  Same thing.  Convention usually defined what order the units are
used in the result, e.g., for torque, the distance usually comes first, but
it really makes no difference.

Another similar unit of measurement is KW-HR.  Your electric company could
describe it as HR-KW, but you would still have the identical bill!

73, Bob - W3YY  


-----Original Message-----
From: towertalk-bounces at contesting.com
[mailto:towertalk-bounces at contesting.com] On Behalf Of K7LXC at aol.com
Sent: Saturday, February 07, 2009 12:13 AM
To: towertalk at contesting.com
Subject: [TowerTalk] Rotator specs?

Howdy, TowerTalkians --
 
    I'm trying to compare rotator specs and Alfa Radio  just threw me a
curve. Everything I'd been reading was in in-lbs until I came to  the AR
website that listed the specs in Lb-ins. I couldn't find an online
conversion program to convert the Lb-ins to in-lbs. I would say that the 2
specs  are different. 
Am I wrong? Do you know of a conversion site that'll do it? 
 
    I'm not even close to being an engineer so just  looking for a little
clarification. Tnx. And excuse my ignorance.
 
Cheers,
Steve   K7LXC
**************Who's never won?  Biggest Grammy Award surprises of all time
on AOL Music. 
(http://music.aol.com/grammys/pictures/never-won-a-grammy?ncid=emlcntusmusi0
0000003)
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