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'Live Steam and Ride on Scales' Photo - 'P1010993.jpg'
LiveSteam/P1010993.jpg   Original: 580 by 435 pixels - Current: 580 by 435 - 100%
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Re: Making plastic train parts?     -   Response #29   -   Go to Post in Thread
Posted by fred_55 in Live Steam and Ride on Scales on 02/02/14 at 00:30:28
'P1010993.jpg' 580x435 JPEG 116721 bytes

And I can report that the half mold has hardened and the second layer is going off nicely.
While I was messing about I tried another SMALL item, a dummy axlebox.  It has a taper, and the tin bowl also has a taper, so it should release easily.  It did and the test piece is nearly right,(needs a bit more trimmig of the joints).
On the plus side the tapers mean the mould doesn't have to be split, but I won't use tin bowl again as it needs to be flexed to release the RTV.
Pete