Today's Message Index:
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1. 02:12 AM - Door and Windscreen Glass (Kelvin Weston)
2. 02:28 AM - Re: Door and Windscreen Glass (davidjoyce@doctors.org.uk)
3. 02:41 AM - Re: Door and Windscreen Glass (D McFadyean)
4. 12:25 PM - Re: Door and Windscreen Glass (budyerly@msn.com)
5. 02:36 PM - Re: Door and Windscreen Glass (Kelvin Weston)
Message 1
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| Subject: | Door and Windscreen Glass |
Hi All
Just glued the Door glass, went easier than expected.
I have seen on this forum that some have put a thin layer of weave over the glued
joint on the outside to prevent paint cracking.
How many have done this?
How many have seen this cracking in the paintwork after long service?
Over the years I have looked at many Europas but I have never noticed this cracking
in the paintwork.
I intend to fill over the joint but does anyone recommend the extra protection
of a thin strip of fibreglass?
--------
Regards
Kelv Weston
Kit 497
kelv@kdweston.biz
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=499402#499402
Message 2
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| Subject: | Re: Door and Windscreen Glass |
Kelv, Not worth it IMHO. Mine has remained uncracked for 20 years. David
Joyce GXSDJ
On 2020-11-17 10:12, Kelvin Weston wrote:
>
> Hi All
>
> Just glued the Door glass, went easier than expected.
>
> I have seen on this forum that some have put a thin layer of weave over
> the glued joint on the outside to prevent paint cracking.
>
> How many have done this?
> How many have seen this cracking in the paintwork after long service?
>
> Over the years I have looked at many Europas but I have never noticed
> this cracking in the paintwork.
>
> I intend to fill over the joint but does anyone recommend the extra
> protection of a thin strip of fibreglass?
>
> --------
> Regards
>
> Kelv Weston
> Kit 497
> kelv@kdweston.biz
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=499402#499402
>
Message 3
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| Subject: | Re: Door and Windscreen Glass |
The clear coat that I have (which is the same stuff as the recommended white paint
but without pigmentation) has cracked in a few places over the 'glass' and
in a couple of other high-flex areas over composite.
Was advised at the time not to plasticise the clear coat, but wish I had. The 'cracks'
over the glass are of no consequence and don't bother me.
Duncan McF.
> On 17 November 2020 at 10:12 Kelvin Weston <kelv@kdweston.biz> wrote:
>
>
>
> Hi All
>
> Just glued the Door glass, went easier than expected.
>
> I have seen on this forum that some have put a thin layer of weave over the glued
joint on the outside to prevent paint cracking.
>
> How many have done this?
> How many have seen this cracking in the paintwork after long service?
>
> Over the years I have looked at many Europas but I have never noticed this cracking
in the paintwork.
>
> I intend to fill over the joint but does anyone recommend the extra protection
of a thin strip of fibreglass?
>
> --------
> Regards
>
> Kelv Weston
> Kit 497
> kelv@kdweston.biz
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=499402#499402
>
>
>
>
>
>
>
>
>
Message 4
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| Subject: | Re: Door and Windscreen Glass |
Kelvin,
It is nice to hear that you installed your glass trouble free. Trim, fit, practice
the install and properly block it to get an even bond and it lays fairly
nice. A slight gap that is filled with Redux between the glass and skin rarely
will leave a crack, but there will be a hump or a lot of blending for a truly
fine show finish. If you leave a trough or sharp ridge, the filler may crack
due to material expansion/change.
The slight miss match in height is due to the newer slightly thicker glass we have
now. I normally use expand cell and patience. The windscreen and doors rarely
crack around the joint rim when filled up on to the glass then covered with
good 2 part urethane. If the glass has no filler sometimes there is a bit
of a transition hump or ridge.
For only those who want a very smooth job and or have used the optional 1/4 inch
windscreen: The use of 2 oz glass over the initial fill will allow a smoother
finish and less of a chance of cracking of the extra filler. This same technique
can be used to HELP prevent cracking at the spar and wing fillet walkway
(or butt seat area) of the trigear. In the area of the leading edge between
the root rib and first rib forward of the spar of the XS flexes under "butt"
pressure on trigear ingress gymnastics. Glass over the filler can help. I've
used carbon fiber layers and standard Rutan 7725 Bid to try to prevent this but
the area near the spar will flex and a filler crack can happen. Document it
to appease inspectors.
Why worry about the cracks: In selling a used aircraft, the new owner and more
importantly the new inspector/repairman, will question the crack and then want
to grind out, inspect and fix any cracks, thereby decreasing your resale value.
Best Regards,
Bud Yerly
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=499410#499410
Message 5
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| Subject: | Re: Door and Windscreen Glass |
Thanks all for the good advice and experiences.
I trimmed for a nice gap all around and had several dry-runs before applying the
glue. Also hot glued some spacers onto the door to aid accurate location of
the glass. Worked out ok.
Bud
I removed all the gel-coat from the door flange and also rounded the outside edge
of the glass. I used a rounded lolly stick to remove the excess redux and
formed a nice fillet between the outside edge of the door and the glass.
The height difference between the door and glass is quite small, about 0.5mm.
Looking at it with a straight edge across the from the door to glass, I am hoping
the filler when applied across the join and sanded will just transition up
onto the rounded edge of the glass.
Fingers crossed.
--------
Regards
Kelv Weston
Kit 497
kelv@kdweston.biz
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=499414#499414
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