[Boatanchors] Off Topic Measurement Question

[Glen Zook]

They really are related!  Every mark on the ruler of 1/18th inch indicates 1 inch on the scale model.

There are all sorts of special "rulers" used by those who build scale models where certain marks indicate 1 inch, 1 foot, etc.  Of course, there are also Metric rulers available as well.  When making "working drawings" and even just "scale" drawings, having a ruler with the appropriate marks makes things a whole lot easier.

If you have ever had a mechanical drawing course in high school or college, you probably used either an "engineering scale" or "architects scale" which is a special ruler with all sorts of different marks on it to indicate the relationship of the drawing to the actual physical item.
 
Glen, K9STH Website:  http://k9sth.com


________________________________
 From: "bavarianradio at comcast.net" <bavarianradio at comcast.net>
To: Gerry Steffens <gsteffens at pitel.net> 
Cc: boatanchors at mailman.qth.net; Jack Antonio <scr287 at att.net> 
Sent: Wednesday, February 1, 2012 8:44 PM
Subject: Re: [Boatanchors] Off Topic Measurement Question
 
1/18" and 1:18 aren't even remotely related...(seems to me)  I could be wrong (the XYL will attest to that) 73's Ross W1EKG

----- Original Message -----
1:18 scale is a common scale for aircraft models and diecast auto/truck
models.  I ran into it in making my WWII and newer aircraft fleet models to
hang from the ceiling.   I started with 1:18 fighters.  Really nice.  Then
moved on to bombers.  Oops, these puppies get really big at that scale.
What's more most aren't available at that size.  I really wanted all to be
of the same scale.  Nope!  To get B-36 and B-52 one must move to 1:72 scale
(and they are still approaching 3 feet in wingspan and over 2 feet long).
Others in between 1:48 and 1:24 are sometimes available.  At 1:72 (the only
size B-36 and B-52 were available with any detail), fighter planes end up an
inch or two in length - not much detail at that size.
That said, 1/18 of an inch comes around frequently.
Gerry
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