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 fixing Diamond Scale Turntable
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railandsail
Engine Wiper

166 Posts

Posted - 02/26/2020 :  4:57:08 PM  Show Profile  Reply with Quote
I have a 134 foot Diamond Scale turntable I purchased a number of years ago from an estate sale being sold off at the Timonium train show. It was all in a big box and upon cursory inspection everything looked in good order. I left it in that original box for a number of years until it be brought out for installation on my new layout.

Yesterday I unpacked it to get ready to mount it into its place on my new layout. I've discovered that the composite board onto which the pit is attached appears to have some warpage, and a few small cracks in the in the pitwall sides. I looked up the description of this piece and found this, "Factory-cast pit; pit walls with ring rail ties are Hydrocal, directly cast onto a composition wood base".

It appears as though this composite wood base got damp somewhere along the line, resulting in this warpage.

Where might I find suggestions as to how I might best remedy this situation?,...reinforce that composition board such that the pit is 'fair' and level, or somehow replace that composite base with 3/4 top grade plywood?? I'm not sure how I could 'detach' that hydrocal pit from the original composite board??

I can take some photos. Has anyone else run into such a problem??

Brian

BigSteam
New Hire

USA
33 Posts

Posted - 02/26/2020 :  8:16:43 PM  Show Profile  Reply with Quote
Greetings Brian,

Boy that is tuff - I have the exact same turntable - I even had it installed and working on a previously started layout - worked great, but was a bit loud - smooth though. Ran some trains across it and everything. Wish I could give you some hints on fixing, but not really sure. Pictures may help - is the inside of the pit warped or damaged where the ring rail goes? Was this all assembled when you bought it? There are a lot of depends here - in any event I think a lot of painstaking work will be involved. Maybe posting a few pics would be a good start. All the best. Chris
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railandsail
Engine Wiper

166 Posts

Posted - 02/26/2020 :  8:32:56 PM  Show Profile  Reply with Quote
Weather is was cloudy & rainy this afternoon so my carport worktable was not a good photo spot. Photos tomorrow.

Brian
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