Constructing "Old 99" #12: Spacing the wheels

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Blog entry by MrWoody posted 09-04-2008 12:40 PM 1280 reads 0 times favorited 2 comments Add to Favorites Watch
« Part 11: Building steam Part 12 of Constructing "Old 99" series Part 13: Coasting downhill »

It’s time we start gluing up some of the parts we have made. I drilled the 1/8” hole in the ends of the cylinders and glued a 3 1/2” piece of dowel in.


I glued the rest of the wheels on to the base using a spacer to allow them to ride on the rails. NOTE: The larger drive wheels are not glued at this time.


I glued the front and rear assemblies to the base. I used a piece of packaging plastic with a slot cut in it between the assembly and base. This allowed me to pound the axle pin into the hole. Sometimes they are very tight.



Here’s a tip: Use a pair of pliers and squeeze the end of the dowel to form grooves for the glue. If you force the axle in without doing this, you will push all the glue out.
I then glued and clamped the floor of the cab to the base. In the picture you may see the cylinder mount. It is not glued yet. The front wheel assembly dowel has to be shortened slightly to fit under the mount.


Next up is the pilot beam. A piece of walnut 1/2” X 5/8” X 4 1/2” with layout lines for a 2” X 1/8” dado, 4 holes 3/8” deep, and rounded ends.


The finished pilot beam without some dowelling that has to wait until near the end of the project.


-- If we learn from our mistakes, I'm getting a fantastic education.

2 comments so far

View lew's profile


13317 posts in 4768 days

#1 posted 09-04-2008 03:19 PM


Thank you for all of the details. I am not sure if this makes me want to build another toy or run the other way! :^)

-- Lew- Time traveler. Purveyor of the Universe's finest custom rolling pins.

View Partridge's profile


296 posts in 4969 days

#2 posted 09-04-2008 05:11 PM

this is a neat little project.. any one that thinks little projects are easier then big ones, has never done one.. keep up good work

-- I get out in the shop when I can

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