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Craymondw(at)aol.com
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 Posted: Tue Nov 11, 2014 4:05 pm Post subject: Glasair delaminating |
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I had a composite expert look at my Glasair and the delaminating factory pieces has turned out to be much more serious than I thought. He used various machines and found huge areas coming undone. He recommends cutting them out and installing new hard foam and applying lay ups over it all. This is going to be one huge task. Lets hope that they assembled their spars better. It is beginning to look like after twenty years or so that Glasairs are throw away planes. Her wanted to know Stoddard Hamilton's method and I had know idea what to tell him. What ever it was it was wrong. Chuck Raymond Glasair 2SN16CD
In a message dated 11/11/2014 3:06:18 A.M. Eastern Standard Time, glasair-list(at)matronics.com writes:
| Quote: | *
==================================================
Online Versions of Today's List Digest Archive
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Today's complete Glasair-List Digest can also be found in either of the
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of the Glasair-List Digest and can be viewed with a generic text editor
such as Notepad or with a web browser.
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EMail Version of Today's List Digest Archive
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Glasair-List Digest Archive
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Total Messages Posted Mon 11/10/14: 1
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Today's Message Index:
----------------------
0. 12:34 AM - A List Contribution - It's Your Personal Squelch Button... (Matt Dralle)
________________________________ Message 0 _____________________________________
Time: 12:34:23 AM PST US
From: Matt Dralle <dralle(at)matronics.com>
Subject: Glasair-List: A List Contribution - It's Your Personal Squelch Button...
There is an automatic "squelch button" of sorts for the Fund Raiser messages.
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_nbsp; (And Get Some AWESOME FREE to find Gifts ilder's ELP k you for p; -Matt Dralle, List ======================== e the ties Day ================================================ - MATRONICS WEB FORUMS ==================================================
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robin02(at)mindspring.com
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| Posted: Fri Nov 14, 2014 11:20 am Post subject: Glasair delaminating |
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Chuck, Sorry to hear you are having problems with delamination. My own plane is 30 years old and kit number 286. It was the 35th glasair to fly and is a tail dragger.
On the early kits, five pound foam was used to construct the firewall and it had a failure problem on some planes. Mine is holding up ok. On the wing walk area, some failure was experienced and a fix for existing kits was recommended that has served well
As far as I know, these are the only fleet wide delamination problems. I have found one other small delamination problem that was my fault. I turned the exhaust back into the airstream in an attempt to use the thrust for speed. It made little difference but the heat was too much for my heat shield and the foam on the belly panel in a small area distorted.
As to the construction method, I am not sure just what your expert was asking for but, it is a wet layup, sandwich that is a common and reliable method. It uses much more resin than the pre-preg system some kit suppliers use for their sandwich method.
I am still in touch with guys that built their planes ahead of mine. None of them are having the problem you described and they go back 32 years flying. Yours may be a problem of something as simple as a bad batch of resin. For instance, the wing and fuselage were built about the same time, but the smaller parts were more of an inventory item. Are the areas noted in both wing and fuselage? Are you finding it in the flaps, which is probably the highest stressed sandwich parts and likely built at a different time?
In any case, I disagree that the planes are life limited at 20 years. Robin Young 286YM
From: owner-glasair-list-server(at)matronics.com [mailto:owner-glasair-list-server(at)matronics.com] On Behalf Of Craymondw(at)aol.com
Sent: Tuesday, November 11, 2014 7:05 PM
To: glasair-list(at)matronics.com
Subject: Re: Glasair delaminating
I had a composite expert look at my Glasair and the delaminating factory pieces has turned out to be much more serious than I thought. He used various machines and found huge areas coming undone. He recommends cutting them out and installing new hard foam and applying lay ups over it all. This is going to be one huge task. Lets hope that they assembled their spars better. It is beginning to look like after twenty years or so that Glasairs are throw away planes. Her wanted to know Stoddard Hamilton's method and I had know idea what to tell him. What ever it was it was wrong. Chuck Raymond Glasair 2SN16CD
[quote][b]
| | - The Matronics Glasair-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
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Craymondw(at)aol.com
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| Posted: Fri Nov 14, 2014 1:11 pm Post subject: Glasair delaminating |
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In a message dated 11/14/2014 3:28:41 P.M. Eastern Standard Time, robin02(at)mindspring.com writes:
| Quote: |
Chuck, Sorry to hear you are having problems with delamination. My own plane is 30 years old and kit number 286. It was the 35th glasair to fly and is a tail dragger.
On the early kits, five pound foam was used to construct the firewall and it had a failure problem on some planes. Mine is holding up ok. On the wing walk area, some failure was experienced and a fix for existing kits was recommended that has served well
As far as I know, these are the only fleet wide delamination problems. I have found one other small delamination problem that was my fault. I turned the exhaust back into the airstream in an attempt to use the thrust for speed. It made little difference but the heat was too much for my heat shield and the foam on the belly panel in a small area distorted.
As to the construction method, I am not sure just what your expert was asking for but, it is a wet layup, sandwich that is a common and reliable method. It uses much more resin than the pre-preg system some kit suppliers use for their sandwich method.
I am still in touch with guys that built their planes ahead of mine. None of them are having the problem you described and they go back 32 years flying. Yours may be a problem of something as simple as a bad batch of resin. For instance, the wing and fuselage were built about the same time, but the smaller parts were more of an inventory item. Are the areas noted in both wing and fuselage? Are you finding it in the flaps, which is probably the highest stressed sandwich parts and likely built at a different time?
In any case, I disagree that the planes are life limited at 20 years. Robin Young 286YM
From: owner-glasair-list-server(at)matronics.com [mailto:owner-glasair-list-server(at)matronics.com] On Behalf Of Craymondw(at)aol.com
Sent: Tuesday, November 11, 2014 7:05 PM
To: glasair-list(at)matronics.com
Subject: Glasair-List: Re: Glasair delaminating
I had a composite expert look at my Glasair and the delaminating factory pieces has turned out to be much more serious than I thought. He used various machines and found huge areas coming undone. He recommends cutting them out and installing new hard foam and applying lay ups over it all. This is going to be one huge task. Lets hope that they assembled their spars better. It is beginning to look like after twenty years or so that Glasairs are throw away planes. Her wanted to know Stoddard Hamilton's method and I had know idea what to tell him. What ever it was it was wrong. Chuck Raymond Glasair 2SN16CD
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====================================
ttp://www.aeroelectric.com/">www.aeroelectric.com
m/ href="http://www.buildersbooks.com/">www.buildersbooks.com
"http://www.homebuilthelp.com/">www.homebuilthelp.com
"http://www.mypilotstore.com/">www.mypilotstore.com
://www.mrrace.com/">www.mrrace.com
tp://www.matronics.com/contribution">http://www.matronics.com/contribution
====================================
href="http://www.matronics.com/Navigator?Glasair-List">http://www.matronics.com/Navigator?Glasair-List
====================================
ms.matronics.com/">http://forums.matronics.com
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[quote][b]
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Craymondw(at)aol.com
Guest
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| Posted: Fri Nov 14, 2014 1:51 pm Post subject: Glasair delaminating |
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Robin, I decided to remove the rear luggage compartment to see the back side of the area of delaminating and found an old battery vent pipe hole to be in the center of my delaminated area. During the building process in 1991 I had to move the battery forward to fix a c.g. problem and plugged that hole with Q cell and resin. I think what happened is last winter I had the engine out for over haul and set the tail on a horse and as the fuselage sweated moisture ran down and gathered in that area and somehow worked it's way down and after several freezes pushed the laminates away. Looking back I should have applied a laminate over that filled hole. I also think that composite expert using his tapping tools and detector mistook the elevator control area as being delaminated. I have narrowed it down from a few square feet to a 3 inch diameter. I tried injecting resin from the back through drilled holes and used a 3 inch round block on a jack to push the laminates back up. If that doesn't work I will remove the 3" delaminated area and apply fresh laminates. I have also put my suicide sword away. I had a NASCAR mechanic build my engine and new exhaust system and my new air speeds with my new blended foil prop have been dazzling. At 3,000 feet 25 squared my GLS FT was truing out at 230 mph. Witnesses on the ground report they have never seen a plane go that fast and that it sounded like a war bird. That NASCAR mechanic directed my exhaust into a large collector and then into a three inch exhaust pipe. The exhaust pipe points down to where it misses the bottom of the cowling by less than 1/4 half of an inch. And the system has a chrome powder coating that reduces heat. I did notice some scorching and have applied an aluminum heat shield. If that doesn't work I will use stainless over insulating material.
Thanks,
Chuck Raymond Glasair 2S FT N16CD
Chuck, Sorry to hear you are having problems with de lamination. My own plane is 30 years old and kit number 286. It was the 35th glasair to fly and is a tail dragger.
| Quote: |
On the early kits, five pound foam was used to construct the firewall and it had a failure problem on some planes. Mine is holding up ok. On the wing walk area, some failure was experienced and a fix for existing kits was recommended that has served well
As far as I know, these are the only fleet wide delaminating problems. I have found one other small delaminating problem that was my fault. I turned the exhaust back into the airstream in an attempt to use the thrust for speed. It made little difference but the heat was too much for my heat shield and the foam on the belly panel in a small area distorted.
As to the construction method, I am not sure just what your expert was asking for but, it is a wet lay up, sandwich that is a common and reliable method. It uses much more resin than the pre-preg system some kit suppliers use for their sandwich method.
I am still in touch with guys that built their planes ahead of mine. None of them are having the problem you described and they go back 32 years flying. Yours may be a problem of something as simple as a bad batch of resin. For instance, the wing and fuselage were built about the same time, but the smaller parts were more of an inventory item. Are the areas noted in both wing and fuselage? Are you finding it in the flaps, which is probably the highest stressed sandwich parts and likely built at a different time?
In any case, I disagree that the planes are life limited at 20 years. Robin Young 286YM
From: owner-glasair-list-server(at)matronics.com [mailto:owner-glasair-list-server(at)matronics.com] On Behalf Of Craymondw(at)aol.com
Sent: Tuesday, November 11, 2014 7:05 PM
To: glasair-list(at)matronics.com
Subject: Glasair-List: Re: Glasair delaminating
I had a composite expert look at my Glasair and the delaminating factory pieces has turned out to be much more serious than I thought. He used various machines and found huge areas coming undone. He recommends cutting them out and installing new hard foam and applying lay ups over it all. This is going to be one huge task. Lets hope that they assembled their spars better. It is beginning to look like after twenty years or so that Glasairs are throw away planes. Her wanted to know Stoddard Hamilton's method and I had know idea what to tell him. What ever it was it was wrong. Chuck Raymond Glasair 2SN16CD
| Quote: |
====================================
ttp://www.aeroelectric.com/">www.aeroelectric.com
m/ href="http://www.buildersbooks.com/">www.buildersbooks.com
"http://www.homebuilthelp.com/">www.homebuilthelp.com
"http://www.mypilotstore.com/">www.mypilotstore.com
://www.mrrace.com/">www.mrrace.com
tp://www.matronics.com/contribution">http://www.matronics.com/contribution
====================================
href="http://www.matronics.com/Navigator?Glasair-List">http://www.matronics.com/Navigator?Glasair-List
====================================
ms.matronics.com/">http://forums.matronics.com
====================================
|
|
[quote][b]
| | - The Matronics Glasair-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?Glasair-List |
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