Re: Precision Scale retainer valve

Nelson Moyer

Bill makes a valid point about drilling on the sprue, and that’s the way I do it as well. I use a #79 bit for the wire, and there is a molded dimple on the retainer valve to help you start the bit. Bill’s comment about the #77 bit is for the mounting stub, i.e. drill that hole in the car body at the location where you want to place the retainer valve.


Nelson Moyer


From: [] On Behalf Of Bill Welch
Sent: Friday, October 18, 2019 5:53 PM
Subject: Re: [RealSTMFC] Precision Scale retainer valve


These are very small. I leave a small section of sprue on to help me handle it, then trim it off after glue has cured. Needs a #77 hole for mounting on an end in my experience.

Bill Welch


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