Author Topic: Coach 9 - Official Work Thread  (Read 106313 times)

Harold Downey

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Re: Coach 9 - Official Work Thread
« Reply #90 on: August 03, 2018, 08:03:51 PM »
Then the part I want is here.

Harold Downey

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Re: Coach 9 - Official Work Thread
« Reply #91 on: August 03, 2018, 08:04:37 PM »
It goes on the left side, as shown:

Harold Downey

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Re: Coach 9 - Official Work Thread
« Reply #92 on: August 03, 2018, 08:06:53 PM »
Here is the current progress.  Most of the edge pieces had to be made the same way.   Everything is just loosely placed at this point.  I will glue everything down once all the pieces are done.   All that remains on this part of the pattern are the edges to the legs, the feet, and the lettering. 

Mike Fox

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Re: Coach 9 - Official Work Thread
« Reply #93 on: August 03, 2018, 08:32:23 PM »
Very nice report Harold. You make it look so easy
Mike
Doing way too much to list...

Carl G. Soderstrom

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Re: Coach 9 - Official Work Thread
« Reply #94 on: August 04, 2018, 01:37:06 AM »
I have to look at it over and over in admiration.

Harold Downey

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Re: Coach 9 - Official Work Thread
« Reply #95 on: August 17, 2018, 08:59:05 PM »
Here is the final pattern of the back side.  It is complete other than finish (polyurethane).   I put the actual seat frame next to it for comparison. 

Harold Downey

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Re: Coach 9 - Official Work Thread
« Reply #96 on: August 17, 2018, 09:03:42 PM »
And here is the final front side pattern.   I added up my hours ... 230 so far for this pattern.  About a third of the time was measuring and creating drawings to work from. 

There are eight total patterns needed for the seat:
Aisle side frame - this pattern
Window-side frame - done - see earlier in this discussion
Two link arms for the seat back
Plate for the seat back attachment
Two different bottom plates for the linkage
Armrest

6 more to go...

Richard Johnson

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Re: Coach 9 - Official Work Thread
« Reply #97 on: August 17, 2018, 09:15:11 PM »
patience and skill. whs-at a great job
J J
slow and steady

Richard Johnson

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Re: Coach 9 - Official Work Thread
« Reply #98 on: August 17, 2018, 09:18:09 PM »
see what happens when I see something great, my spelling goes out the window.
J J
slow and steady

Dave Buczkowski

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Re: Coach 9 - Official Work Thread
« Reply #99 on: August 17, 2018, 11:03:58 PM »
I am in awe of your creativity and skills! We are very lucky that you choose to share them with the WW&F.

Duncan Mackiewicz

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Re: Coach 9 - Official Work Thread
« Reply #100 on: August 20, 2018, 08:52:17 AM »
Just curious, the lettering that can be seen within the 2 patterns appears "normal" and read-able. Shouldn't it be in reverse? Perhaps I'm missing something.

Mike Fox

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Re: Coach 9 - Official Work Thread
« Reply #101 on: August 20, 2018, 09:04:40 AM »
Looks great Harold.
Mike
Doing way too much to list...

Benjamin Richards

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Re: Coach 9 - Official Work Thread
« Reply #102 on: August 20, 2018, 09:48:18 AM »
Just curious, the lettering that can be seen within the 2 patterns appears "normal" and read-able. Shouldn't it be in reverse? Perhaps I'm missing something.
The back-and-forth of normal and reverse images for the casting process can be confusing, but this is correct. The wood pattern is what we want to end up with. Each pattern gets a frame ("flask") on top of it which is packed with casting sand. When the pattern is removed, the sand will hold the reverse image. The two halves ("cope" and "drag") are brought together to form a complete cavity into which the metal is poured. Since the sand image was reversed, the metal will be the "correct" way 'round, the same as the wood that initially formed the mold.


James Patten

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Re: Coach 9 - Official Work Thread
« Reply #103 on: August 20, 2018, 10:08:33 AM »
Harold, your name as pattern maker should be somewhere on that casting too.

Carl G. Soderstrom

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Re: Coach 9 - Official Work Thread
« Reply #104 on: August 20, 2018, 03:21:56 PM »
For sure Harold! WW&F too?

Is this something that could be sold to other restorers?

I did not mean the pattern but the finished casting.
« Last Edit: August 23, 2018, 01:06:22 AM by Carl Soderstrom »