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[hopeitfloats]

just curious but how would you replace glass if it gets broken. i guess that it would be glued from inside the superstructure. it would be tricky to juggle it around and position it through the 'window frame'.

[irishcarguy]

Hi Hope, Because it covers such a small area ( most bridge windows are small) & if glued on properly  I think it would be hard to break except deliberately. I think you are right it would be best installed from the inside, It would require careful handling of course. It is 1 pm Canada time as I write this & I just got some inspirition & I have just taken my Dremel tool with a diamond rotary disc, clamped a piece of slide glass between my bench top & a piece of ply & scored the glass with the Dremel disc. It broke right along the scored line. Sometimes I find I can think best late at night when all is quiet, just me & the dogs are awake. I don't have a very steady hand ( 66 years old ) but now I should make up a jig to do it more precise. I think a jig along the lines like they use for cutting tiles might work, it does not need to cut right through, just score it. I tried three separate cuts & two worked, if a little bit jagged because of my shaky hand. I know you can grind the edges smooth, I just have to find out how now. Watch this space, when I have it figured out I will post how I did it. Mick B.

[Chuffy]

You must be telepathic.LOL

Paul.

[irishcarguy]

Not really Paul, I have just lived long enough to make more mistakes & try more stupid things than most other people , including two wife's & a long term partner. Some never learn & I lead the pack sometimes. Mick B.

[hopeitfloats]

  looking forward to hearing how you go. sounds like an interesting little project. good luck.  craig

[hopeitfloats]

another possible source would be microscope cover slips which go over the slides to hold things in position. they may be too thin though. i have some here that measure 18mm x 18mm  x .2mm thick (.OO8"). wish i had thought of  that idea at an earlier stage of my build. 1 square would cover 2 windows on mine.  instead i didnt glaze them and there is about 50 to a packet so plenty of margin for errors.

[irishcarguy]

Hi Hopeitfloats, that sounds interesting , can you not still fit it to your build ?. Where do you get the glass & how much does it cost. Mick B.

[hopeitfloats]

i got mine from a shop that sells scientific equipment, telescopes and microscopes and the like. dont know if they are still going in nz now though because they were in christchurch and there's not much left of the business district there after the earthquakes.    they werent expensive.  $6 or $7 i think from memory. (thats about £4)  i cant really fit them  to mine now. i would have to dismantle the superstructure and i definately dont wont to do that.