spikey Posted June 5, 2021 Share Posted June 5, 2021 Is there any space in the boiler of the Oxford Dean Goods into which lead could be added in order to improve adhesion? Link to post Share on other sites More sharing options...
spikey Posted June 6, 2021 Author Share Posted June 6, 2021 No Link to post Share on other sites More sharing options...
atom3624 Posted June 6, 2021 Share Posted June 6, 2021 I've a new 'favourite' way of adding extra weight where it's apparently not available. The boilers are round, the slot for motor access is generally narrower than the maximum inner boiler diameter. I figure out the maximum I can superglue in (careful for holes such as handrail mounts where glue could leak out) and I glue in Pb weighting which can avoid the motor. Al. Link to post Share on other sites More sharing options...
RMweb Premium Hal Nail Posted June 8, 2021 RMweb Premium Share Posted June 8, 2021 On 06/06/2021 at 14:12, atom3624 said: I glue in Pb weighting Doesn't lead react with glue and expand? Theres a thread on here somewhere with a loco burst apart as a result. 2 Link to post Share on other sites More sharing options...
atom3624 Posted June 8, 2021 Share Posted June 8, 2021 Interesting observation, and thanks for the heads up, if true. No disrespect but I hope you're wrong. Al. Link to post Share on other sites More sharing options...
GWR-fan Posted June 8, 2021 Share Posted June 8, 2021 1 hour ago, Hal Nail said: Doesn't lead react with glue and expand? Theres a thread on here somewhere with a loco burst apart as a result. I believe that there is an interaction between lead and PVA glue. Link to post Share on other sites More sharing options...
Steamport Southport Posted June 8, 2021 Share Posted June 8, 2021 (edited) 14 minutes ago, atom3624 said: Interesting observation, and thanks for the heads up, if true. No disrespect but I hope you're wrong. Al. Yes. He's 100% correct. A very common occurrence and has been covered on here a few times. Some glues will react with the lead, especially PVA and I believe superglue. Don't touch with a bargepole unless you use something you know won't react. However some stuff calling itself lead isn't actually lead. ISTR that "Liquid Lead" is now lead free.... Jason Edited June 8, 2021 by Steamport Southport 1 Link to post Share on other sites More sharing options...
Steamport Southport Posted June 9, 2021 Share Posted June 9, 2021 Here's some details. Read on for a couple of pages. https://www.rmweb.co.uk/community/index.php?/topic/97672-pragmatic-pre-grouping-mikkels-workbench/page/67/ But look here for what can go wrong. https://www.lner.info/forums/viewtopic.php?t=2737 Link to post Share on other sites More sharing options...
atom3624 Posted June 9, 2021 Share Posted June 9, 2021 (edited) Intriguing!! I've been using builder's lead sheeting, which I cut to size. Depending upon the space available, I may fold over, to increase weight within the volume, or not be able. Totally correct to bring to people's attention any problems encountered. Looking through the posts, I think what I'm doing is fine - relatively high purity Pb sheet, cut and shaped to size then glued into place. The problem appears to be when high volumes of adhesive are used, let's say nearly 50:50 ratio of glue to metal. Al. Edited June 9, 2021 by atom3624 Link to post Share on other sites More sharing options...
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