KR> upside down glassing

2010-12-23 Thread Barry Kruyssen
What Pete said and then put a foam mattress (or simular) on a piece of
strong plywood (again or simular) underneath the repair and using a jack put
slight upward pressure to prevent any sagging.  The problem with this method
is you can get wrinkles if you are not very careful, use very thick plastic.
Using this method, I just finished repairing a Jabiru tail dragger (full
composite aircraft) that ground looped and fractured the undercarriage
mounting points.  

Regards
Barry Kruyssen
Australia

-Original Message-
From: krnet-boun...@mylist.net [mailto:krnet-boun...@mylist.net] On Behalf
Of Pete
Sent: Thursday, 23 December 2010 11:43 PM
To: KRnet
Subject: Re: KR> upside down glassing


Try laying the section you need up on some plastic, in reverse.
Plastic, peel ply, glass, epoxy, glass. Brush it out so it's wetted and 
then pick the whole lot up and stick it directly to the area you want it 
applied to. squeegee it well and tape the edges.
I've not done this on a plane yet, but I have done it on a boat. I don't 
think the applications should be too different.
Cheers.
Pete.

On 24/12/2010 00:09, airgu...@comcast.net wrote:
> I have some repairs to the belly that need two layers of fiberglas. Can't
flip the finished bird. Any clever tips of how to glass upside down. Folks
from down under must have to do this all the time ;).
>
>






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KR> upside down glassing

2010-12-23 Thread Vaughan Thomas
Down here in New Zealand that is!
- Original Message - 
From: "Vaughan Thomas" <v...@xtra.co.nz>
To: "KRnet" <kr...@mylist.net>
Sent: Friday, December 24, 2010 8:05 AM
Subject: Re: KR> upside down glassing


> If ever you guys  come to fly down here, don't try landing  (or takeoffs ) 
> upside down- special instructers will teach yous though!   Vaughan Thomas
>  KR2S  (under construction)
> - Original Message - 
> From: <airgu...@comcast.net>
> To: "KRnet Posting" <kr...@mylist.net>
> Sent: Friday, December 24, 2010 2:09 AM
> Subject: KR> upside down glassing
>
>
> I have some repairs to the belly that need two layers of fiberglas. Can't 
> flip the finished bird. Any clever tips of how to glass upside down. Folks 
> from down under must have to do this all the time ;).
>
> Paul OReilly
> KR2 Stretched
> N7970K
> Derry, NH
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> to UNsubscribe from KRnet, send a message to krnet-le...@mylist.net
> please see other KRnet info at http://www.krnet.org/info.html
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KR> upside down glassing

2010-12-23 Thread Virgil Salisbury
 Stand it on its nose, Virg


 On 12/23/2010 8:09 AM, airgu...@comcast.net wrote:
> I have some repairs to the belly that need two layers of fiberglas. Can't 
> flip the finished bird. Any clever tips of how to glass upside down. Folks 
> from down under must have to do this all the time ;).
>
> Paul OReilly
> KR2 Stretched
> N7970K
> Derry, NH
> ___
> Search the KRnet Archives at http://www.maddyhome.com/krsrch/index.jsp
> to UNsubscribe from KRnet, send a message to krnet-le...@mylist.net
> please see other KRnet info at http://www.krnet.org/info.html
>



KR> upside down glassing

2010-12-23 Thread phillabaum...@aol.com




Paul Wrote:
I have some repairs to the belly that need two layers of fiberglas. Can't flip 
he finished bird. Any clever tips of how to glass upside down. Folks from down 
nder must have to do this all the time ;). 
--
Paul,
Depends on the size of the repair.  If its small you should be able to work it 
as normal.  Although if you have a large area you may need to look at using a 
piece of thin ply 3/32" like the plane is built with and putting packing tape 
over it and using it to stop any sagging you might get by holding it in place 
while your lay up sets.  If you have an area with a radius you might want to 
look at using metal as used for valley flashing available from your home supply 
store.  I have used this method on boats and it seemed to work well. You will 
still need to feather the final product. I use two layers of glass cut to the 
same size as the hole and then two more feathering out larger than each one to 
get good strength.  I lay up the glass on the wood or metal in reverse order 
larger to smaller and then place it over the patch.  I might be the only one to 
do this but it works for me.
Steve Phillabaum
KR2Swide
Shorter, Alabama
334-740-0066


KR> upside down glassing

2010-12-23 Thread Pete

Try laying the section you need up on some plastic, in reverse.
Plastic, peel ply, glass, epoxy, glass. Brush it out so it's wetted and 
then pick the whole lot up and stick it directly to the area you want it 
applied to. squeegee it well and tape the edges.
I've not done this on a plane yet, but I have done it on a boat. I don't 
think the applications should be too different.
Cheers.
Pete.

On 24/12/2010 00:09, airgu...@comcast.net wrote:
> I have some repairs to the belly that need two layers of fiberglas. Can't 
> flip the finished bird. Any clever tips of how to glass upside down. Folks 
> from down under must have to do this all the time ;).
>
>







KR> upside down glassing

2010-12-23 Thread airgu...@comcast.net
I have some repairs to the belly that need two layers of fiberglas. Can't flip 
the finished bird. Any clever tips of how to glass upside down. Folks from down 
under must have to do this all the time ;). 

Paul OReilly 
KR2 Stretched 
N7970K 
Derry, NH