Tweedledee Posted November 20, 2015 Share Posted November 20, 2015 My replacement focuser arrived. TS were brilliant about it. They didn't charge any re-stocking fee and forgot to charge me for shipping, although I did of course pay to return the first focuser This seems to have an even smoother movement than the previous one, and it will take 3" tackle without extra adapters. Very pleased now ... +Bino-viewer 1 Link to comment Share on other sites More sharing options...
Tweedledee Posted November 20, 2015 Author Share Posted November 20, 2015 This focuser is designed to take a maximum load of 6 kilos hanging off the end of it!!! I don't think the dob is likely to take that, but one can always try Link to comment Share on other sites More sharing options...
+Bino-viewer Posted November 20, 2015 Share Posted November 20, 2015 Glad its all sorted now Pete. Great looking focuser. TS are really good arn't they ? German efficiancy ! I can't see any mounting holes ; does it attach from underneath ie from tube to focuser ? It will be me next with the new focuser. (Moonlite is on order from FLO) Tweedledee 1 Link to comment Share on other sites More sharing options...
Tweedledee Posted November 20, 2015 Author Share Posted November 20, 2015 Cheers Rob. Bet you can't wait to fit your Moonlight It takes four M6 bolts screwed from the inside of the upper tube assembly. The base is designed to bolt to either a flat surface or large radius. +Bino-viewer 1 Link to comment Share on other sites More sharing options...
BAZ Posted November 20, 2015 Share Posted November 20, 2015 That's a monster, 6kg, you are going to hang sandbags off the back end to balance it. If you need any stainless M6 bolts, let me know. Tweedledee 1 Link to comment Share on other sites More sharing options...
Tweedledee Posted November 20, 2015 Author Share Posted November 20, 2015 1 hour ago, BAZ said: That's a monster, 6kg, you are going to hang sandbags off the back end to balance it. If you need any stainless M6 bolts, let me know. Might be the other way round - you've not felt the weight of my 20" mirror! At least I can calculate the approximate balancing situation as I plan the job. Am I right in thinking that if you paint stainless, it causes it to corrode and flake off the paint? I thought that exposure to air and moisture is what prevents it from corroding. Thanks for the offer Martyn, will let you know when I have something to bolt the focuser to Link to comment Share on other sites More sharing options...
+Graham Posted November 20, 2015 Share Posted November 20, 2015 (edited) Hi Pete "Am I right in thinking that if you paint stainless, it causes it to corrode and flake off the paint? I thought that exposure to air and moisture is what prevents it from corroding. " The simple answer is no. Paint will not stick to polished Stainless as its surface is too smooth. Hence why it is used in kitchens and the like. If you want to paint it rub it down with 800 grit emery to rough up the surface. I would also suggest you use an etching primer first so your finish coat has a decent surface to key into. Edited November 20, 2015 by Graham Tweedledee 1 Link to comment Share on other sites More sharing options...
Tweedledee Posted November 20, 2015 Author Share Posted November 20, 2015 Thanks Graham that explains it now. I have used etch primer, but only on aluminium prior to painting. Was thinking about painting them matt black on the inside of the tube. Link to comment Share on other sites More sharing options...
+Graham Posted November 20, 2015 Share Posted November 20, 2015 3 minutes ago, Tweedledee said: Thanks Graham that explains it now. I have used etch primer, but only on aluminium prior to painting. Was thinking about painting them matt black on the inside of the tube. If you mean the Stainless Steel bolts for the focuser then try soaking the heads in bleach they should turn black. WARNING WARNING WARNING do this outside and do not breath in the fumes that it will give off. Tweedledee 1 Link to comment Share on other sites More sharing options...
Tweedledee Posted November 20, 2015 Author Share Posted November 20, 2015 Great idea, thanks Graham. Just got a stainless bolt soaking in bleach outside Link to comment Share on other sites More sharing options...
catman161 Posted November 20, 2015 Share Posted November 20, 2015 That is an absolute beast!! Tweedledee 1 Link to comment Share on other sites More sharing options...
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