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Avery Undermount


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  #1  
Old 02-27-2017, 01:37:56 PM
Maier Maier is offline
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Default Avery Undermount

I'm toying with the idea of building a scaled down approximation of an Avery undermount traction engine. A few questions. Are the cross heads cast in one piece with the cylinders on the originals? Also, is there a possibility of any of the original manufacturing drawings having survived or has someone made drawings of an Avery that I could obtain copies of?
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Old 02-28-2017, 12:57:53 AM
chrsbrbnk chrsbrbnk is offline
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Default Re: Avery Undermount.

there's a model out there I thought I saw it at forrest city iowa might belong to Jerred Rubel?
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Old 02-28-2017, 04:21:26 AM
JasonB JasonB is offline
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Default Re: Avery Undermount.

Unfortunately the couple of photos that I took of one are not at the right angle to show if the crossheads are part of the cylinder casting.

I have also seen a model which I think was in the UK.





---------- Post added at 08:21:26 AM ---------- Previous post was at 08:00:43 AM ----------

3" model at a UK show in 2010

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Old 02-28-2017, 10:08:45 AM
Casemaker Casemaker is offline
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Default Re: Avery Undermount.

there is a half scale avery at the Pontiac Illinois show. i do know there were several undermount averys years ago in the north central Missouri area.

---------- Post added at 09:08:45 AM ---------- Previous post was at 09:03:16 AM ----------

I doubt the engine bed is cast with the cylinders as you would have to machine the rear cylinder head with the stuffing box for the piston rod.
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Old 01-10-2018, 01:08:27 PM
Foden Foden is offline
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Default Re: Avery Undermount

Hello Maier,
Did you get any further info on the Avery Undermount that brouhgt you further to built a scale model? I myself have been trying to gather information for the same purpose. The information I have so far comes from photos of a restoration project at WMSTR and a description of USA Patent: 842589 A with several views of this machine. Maybe you're interested to view the site of an Italian guy who managed to built a scale model with similar information http://www.amc-chiaravalle.org/vapor...016_Lello.html
Unfortunately the text is in Italian and the man speaks no other language.
What puzzles me at this moment what kind of valve gear is applied on an Avery. Photos are are not to clear on this detail.
I hope that you did find some more information and are willing to share.
Kind regards,
Foden, Netherlands
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Old 01-10-2018, 03:10:00 PM
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OTTO-Sawyer OTTO-Sawyer is offline
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Default Re: Avery Undermount

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Unfortunately the text is in Italian and the man speaks no other language.

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