Can someone explain to me what the value of this is ? I don't understand
and have enough trouble with width and length <G>.
LeRoy Cordes
Chicago, Illinois
AMA 16974
In God We Trust
On Wed, 2 Jun 2010 13:57:59 -0400 Nick Ray <lasray_at_gmail.com> writes:
I have been using inches per milligram of untied loop. I think because
knots are not consistent, and increase in relative mass as the rubber
size increases the untied loop is the way to go. The reason I started
using inches is because I didn't have meter stick handy. I would say
meters are probably better if we wanted to create universal system. I
don't think using grams or milligrams matters much as its just move thing
decimal places around. It would be ideal to use as many significant
digits as possible in order to get a more precise result.
NIck
On Wed, Jun 2, 2010 at 1:07 PM, Fred or Judy Rash <frash_at_chartertn.net>
wrote:
Bill,
Thanks for all your help on many items.
I think that everyone will work in grams. Probably we should eliminate
ounces from AMA, NFFS, etc Indoor (and maybe Outdoor) rules whenever
possible.
The unit for length is harder. Most of Europe and the rest of the world
would argue for meters and probably we should also. I believe that most
use g/m of the untied strip. I think in grams naturally from a lot of
chemistry lab time as well as model building time, but do not
automatically think in meters. I can live with either inches or meters.
If I use inches, I always use decimal inches. I never write down a mixed
fraction. If I try CAD which I do occasionally, I never use mixed
fractions there either.
I would even be so extreme as to argue that our schools should teach
decimal fractions before mixed fractions. This should start a strong
off-topic thread. <GRIN>
Fred Rash
On 6/2/2010 12:41 PM, olbill61 wrote:
I'm wondering if there is any way of describing motor weight per unit
length that is more prevalent than others. The way I started out is by
dividing total weight of a finished motor in grams by the motor length in
inches. I think Kang has started using grams per inch for untied strip. I
think Leo is using grams per meter.
Can any others who have switched to weight per unit length describe how
they do it? I'm early in the process of doing it this way and could
switch to a different system without much trouble. I'd like to hear from
English and European fliers also.
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LeRoy Cordes
Chicago, Illinois
AMA 16974
In God We Trust
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Received on Thu Jun 03 2010 - 07:38:16 CEST