Visualizing in HO

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eTraxx

Member
I have found that I have a hard time I have found that I have a hard time visualizing what 'stuff' is in HO scale. I was trying to come up with a block and tackle for a loading platform and I THOUGHT that I had something that would look 'real' in HO. (I'm sure that I can find and purchase one online. I know that .. but I was curious as to how something like tht would be in scale).

Anyhoo .. I was totally off. I had looked at a ruler and went .. " .... uhhh .. about .. 7" dia sheave ..." ..

I opened Sketcup and made a quick 'sketch' of a triple-sheath block and tackle using 1" rope .. and then thought ... "hmmm .. why not put it with a penny so I can see what it would look like it scale. Ohh .. even better .. add a couple of people ..". So I did .. and that is when I went .. "HOLY CRAP!" .. that is WAAY too small.

workers.png


So. What to do? I found a couple of drawings of a hoist and block and tackle from some old books. Since my layout will be in 1929 .. and .. I can't find a chain small enough to suit me, I will use a rope hoist. These two seem to fit that pretty well. I pulled them into Sketchup and projected them onto a couple of blocks that I could then stretch until they "looked" right to me. I put these behind the the guys. Now ... I simply can measure the size of the 'bits' and come up with a more realistic design.

workers2.png


Glad I came with this as it's applicable to lots of situations. It's like when you are in the store and in the toy section looking at a Matchbox truck. Is it HO? I reach over and grab one of those HO NASCAR models that are currently on the shelf .. and hold it up to the Matchbox truck. I can pretty much tell if it is HO/close-enough .. and I think this will be the same.

Cool beans .. :) what 'stuff' is in HO scale. I was trying to come up with a block and tackle for a loading platform and I THOUGHT that I had something that would look 'real' in HO. (I'm sure that I can find and purchase one online. I know that .. but I was curious as to how something like tht would be in scale).

Anyhoo .. I was totally off. I had looked at a ruler and went .. " .... uhhh .. about .. 7" dia sheave ..." ..

I opened Sketcup and made a quick 'sketch' of a triple-sheath block and tackle using 1" rope .. and then thought ... "hmmm .. why not put it with a penny so I can see what it would look like it scale. Ohh .. even better .. add a couple of people ..". So I did .. and that is when I went .. "HOLY CRAP!" .. that is WAAY too small.

workers.png


So. What to do? I found a couple of drawings of a hoist and block and tackle from some old books. Since my layout will be in 1929 .. and .. I can't find a chain small enough to suit me, I will use a rope hoist. These two seem to fit that pretty well. I pulled them into Sketchup and projected them onto a couple of blocks that I could then stretch until they "looked" right to me. I put these behind the the guys. Now ... I simply can measure the size of the 'bits' and come up with a more realistic design.

workers2.png


Glad I came with this as it's applicable to lots of situations. It's like when you are in the store and in the toy section looking at a Matchbox truck. Is it HO? I reach over and grab one of those HO NASCAR models that are currently on the shelf .. and hold it up to the Matchbox truck. I can pretty much tell if it is HO/close-enough .. and I think this will be the same.

Cool beans .. :)
 
CAD and 3D programs make this type of double checking and design go pretty quickly - I draw or model an item I'm going to build (even if it's just a quick 'massing' exercise), and scale it by 0.01148105626 (1/87.1 for HO), then add a few dimensions (in full scale inches) and a 1" scale so I can be sure my prints are accurate.
 




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