Author Topic: clear glass probs?? (Read 815 times)

kennym · « **on:** May 24, 2007, 11:02:00 PM »

Any of you bowbuilders havin any trouble w/clear glass? Just finished one that has a couple white lines with skips in em and a couple pinhead sized dots. First time this has happened to me in probably 30 or 40 with clear. Just wonderin if anybody else was havin any probs like this?

Bodork · « **Reply #1 on:** May 25, 2007, 12:21:00 AM »

Never seen the dots but especially on darker woods, I have seen streaks. They are really annoying. They are worse in the sun when the bow is held just right. I don't guess there is much you can do about them and I can't seem to see them until after everything is finished.

ethan · « **Reply #2 on:** May 25, 2007, 05:15:00 AM »

I have never seen the dots either, but yeah on the streaks. Seems like it comes and goes in spells. Wish there was a way to see them beforehand.

Illuminated Archer · « **Reply #3 on:** May 25, 2007, 09:07:00 AM »

Ive seen both and they stink cause you never see them till everything is glued up.

Jwilliam · « **Reply #4 on:** May 25, 2007, 09:51:00 AM »

I have seen the streaks before. I was told by the bowyer that it is in the glass. It wasn't something he had done wrong.
Bill

kennym · « **Reply #5 on:** May 26, 2007, 07:04:00 PM »

Thought it might have been something I did,but its never happened like that with smooth on glue,did have a spot once with epon,but think it was a prob with the form. This looks like it is near the surface of the glass,not near the lams. Do any suppliers do anything about this sort of stuff?

soaring eagle · « **Reply #6 on:** May 26, 2007, 07:15:00 PM »

can somebody show me a picture of what you are talking about I just scrapped out two bows with wenge limbs under clear glass but I thought I was light on glue or wood was a little oily and the glue did not stick

**DONOTDELETE** · « **Reply #7 on:** May 26, 2007, 10:08:00 PM »

I had the same problem with my first longbow and thought it was something i did....i put presure on the hose and let it off to readjust the lams....thought thats what caused it....

Bigriver · « **Reply #8 on:** May 26, 2007, 10:20:00 PM »

Would laying the glass on black paper background before glue-up reveal the streaks? Maybe you could do that then sort out the streakier stuff.

kennym · « **Reply #9 on:** May 26, 2007, 10:25:00 PM »

Can't get a good pic of mine tonite cause its sanded with no finish yet,but its more like you took a straightedge and a scratch awl and marked it,but the surface is smooth,its down in the glass.
Thats a very good idea Bigriver,I've got 4 more pieces bought same time as this one,have to check it out!

Glenn Newell · « **Reply #10 on:** May 27, 2007, 12:15:00 AM »

I have had glass with the streaks and sometimes dots, it's really annoying. The black backgrond is a good idea. Might be worth getting a hold of some black laminate board and wet it before laying the glass on it the streaks might show up better...Glenn...

Mohawkbows · « **Reply #11 on:** May 28, 2007, 09:10:00 AM »

I try to wet the glass and look at it in the light, it's very hard to see some of the bad spots, my last 40 peice order had 9 bad strips. Gordon glass will not take resposibility for the bad glass according to my suppliers. Good idea using the black background.

**DONOTDELETE** · « **Reply #12 on:** May 28, 2007, 09:25:00 AM »

Ok guys.....so if Gordon glass wont back up their "Clear" glass, and we have to live with the blems....what do you do with them? use them on lighter wood, or what? Kirk

Mohawkbows · « **Reply #13 on:** May 28, 2007, 10:07:00 AM »

Kirk,
Some I can cut in half and use for the belly glass, the rest I stack in the corner of the shop!

kennym · « **Reply #14 on:** May 28, 2007, 08:09:00 PM »

Might be good for some camo dipped or snakeskinned limbs.... Good info guys!! Thanks.

**DONOTDELETE** · « **Reply #15 on:** May 29, 2007, 12:04:00 AM »

Check this out guys V - Archer has a solution......KirkII,

I used the bi-directional glass strip to get stability and prevent torqeuing. Also I wanted to leave the bamboo backing as much "natural" as possible, so no glass there.
I sanded the nodes a bit to smoothen the sharp edges.
The picture shows the layer details.

V-Archer

**DONOTDELETE** · « **Reply #16 on:** May 29, 2007, 12:05:00 AM »

OOOOOPS! tghe picture didn't copy...go check out the boo backed bow thread....Kirk

kennym · « **Reply #17 on:** May 29, 2007, 09:49:00 PM »

Its a love/hate thing for me with clear glass,love that wood grain/hate the white streaks,guess its like playin the lottery.
Threatened to take a perm marker to this one before I spray it!! LOL

**DONOTDELETE** · « **Reply #18 on:** May 30, 2007, 12:31:00 AM »

Quote

Originally posted by kennym:
Its a love/hate thing for me with clear glass,love that wood grain/hate the white streaks,guess its like playin the lottery.
Threatened to take a perm marker to this one before I spray it!! LOL

You may have something there Kenny.....mimwax has a poly with stain added to it....the more coats you apply the darker the stain....Hmmmmm....i'll bet that might cover up a lot of sin there.....Whata ya think>?

kennym · « **Reply #19 on:** May 30, 2007, 08:26:00 PM »

I'm bettin if ya stain/poly the whole limb,it'll still show,but might have ta try it!


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Author Topic: clear glass probs?? (Read 815 times)

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