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Constructing "Old 99" #13: Coasting downhill

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Blog entry by MrWoody posted 09-05-2008 12:31 PM 1013 reads 0 times favorited 3 comments Add to Favorites Watch
« Part 12: Spacing the wheels Part 13 of Constructing "Old 99" series Part 14: Full steam ahead »

I started this morning by cutting some 5/16” and 3/8” black walnut big enough to get 2 pieces for each plus a finger saver added to the length.
These have dados cut so that there is 1/8” material left.
The picture shows one of them cut to length. The other has the finger save left on.

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They were then ripped to 5/16” wide to create the connecting rod and wheel linkage.

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I created a piece of stock 7/8” X 3/8”much longer than I actually needed to make 2 piston connectors.

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I cut a 1/8” wide by 3/4” in each end.

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Next I cut and sanded a 3/4” X 3/8” notch on both ends.

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At this point I drilled a 5/32” hole before I cut it shorter.

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I then cut each end off at 1 1/2” and set up to drill a 5/32” and 1/8” hole in the ends.

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I marked the connecting rod and wheel linkage to drill their 3/16” holes.

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The finished pieces.

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Next I dry fit an end cap on each end of a long piece of 3/16” dowel and marked the dowel at the cap. I then cut the dowel in half. I chucked one piece in the drill press and with a file turned the 3/16” dowel to 5/32” leaving the cap end at 3/16”.
I then cut them to length and glued the end cap on. This pin is needed to connect the connecting rod and the wheel linkage to the wheel. They don’t manufacture a 5/32” axle pin long enough.

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A dry fit to check that things don’t bind. I found that the dowel on the piston connector had to be shortened by about 3/16”. That would be the dowel that goes into the cylinder from the connector.

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Glue the cylinders to the mount and both to the base.

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After dinner I’ll take these clamps off. Then glue the boiler and cabin on the base and leave everything dry over night.

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



3 comments so far

View toyguy's profile

toyguy

1552 posts in 3298 days


#1 posted 09-05-2008 12:45 PM

Looking real nice Woody…... Project is well documented.

I am really enjoying your Blog…....

-- Brian, Ontario Canada,

View lew's profile

lew

11335 posts in 3216 days


#2 posted 09-05-2008 03:57 PM

Ditto what Brian said! I, too, am enjoying this!!

Lew

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

View Mark Shymanski's profile

Mark Shymanski

5314 posts in 3173 days


#3 posted 09-06-2008 03:51 AM

Very detailed blog, thank you for all the effort and photographs.

-- "Checking for square? What madness is this! The cabinet is square because I will it to be so!" Jeremy Greiner LJ Topic#20953 2011 Feb 2

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