Egg Construction - Fiberglass RV


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Old 12-22-2016, 08:40 AM   #1
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Egg Construction

Does anyone know if any of the egg manufacturers vacuum-bag their fiberglass layups to save weight?
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Old 12-22-2016, 08:49 AM   #2
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Originally Posted by kpinvt View Post
Does anyone know if any of the egg manufacturers vacuum-bag their fiberglass layups to save weight?
Hi: kpinvt... Not sure about that system but I do know that Escape Trailer Ind. puts theirs on a rotisserie.
Alf S. North shore of Lake Erie
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Old 12-22-2016, 09:02 AM   #3
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LiL Snoozy uses that method, it is not just conventional molded fiberglass bagged, but a different process all together using different material between layers. not necessarily lighter though.
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Old 12-22-2016, 09:38 AM   #4
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[QUOTE=floyd;620702]LiL Snoozy uses that method, it is not just conventional molded fiberglass bagged, but a different process all together using different material between layers. not necessarily lighter. You're right Floyd. Our 2014 Lil Snoozy weighs 2500 lbs., but it is much more ridged than a comparable in weight Casita, as the Lil Snoozy does not require any internal structures to support the roof and walls (perhaps that is why the isle is wider and interior feels more open). It is a lot like a fiberglass speedboat in strength. I climb onto the roof all the time to clean & wax without any perceivable flexing, and I weigh 215 lbs.
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Old 12-22-2016, 10:13 AM   #5
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You're right Floyd. Our 2014 Lil Snoozy weighs 2500 lbs., but it is much more ridged than a comparable in weight Casita, as the Lil Snoozy does not require any internal structures to support the roof and walls (perhaps that is why the isle is wider and interior feels more open). It is a lot like a fiberglass speedboat in strength. I climb onto the roof all the time to clean & wax without any perceivable flexing, and I weigh 215 lbs.
Dave & Paula
You seem to think that it is a superior material/method and you have cited justification for that position.
I personally don't see it as such, and much prefer the conventional method used by virtually everyone else.
The Lil' Snoozy is, however, a fine trailer... far superior to a stickbuilt. (even those which can take standing on the roof.)
I suggest not standing on your roof though, micro cracks in the outer layer can result in spalling, especially when over a void.
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Old 12-22-2016, 12:46 PM   #6
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Does anyone know if any of the egg manufacturers vacuum-bag their fiberglass layups to save weight?
I don't believe it is a layup method at all. You're thinking of layers upon layers of resin-impregnated fiberglass cloth, correct? But most of the egg trailers' bodies come out of a mold; I could be wrong, but I don't think it is a layering process.
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Old 12-22-2016, 03:38 PM   #7
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Also check out the Nest Caravan, which was recently bought by Airstream. They probably use the most advanced composite construction. The floor is structural with the axle just being bolted to the floor pan. There is a very good thread on this forum which documents their construction.
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Old 12-23-2016, 07:00 AM   #8
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Are we talking about vacuume bagging or vacuume infusing?
This web page contains a nice video explaining vacuume bagging...
Vacuum Bagging Equip and Supplies for Composites | Fibre Glast
And this is a link to one that covers vacuume infusion...
https://youtu.be/vXRfVJ_F9UQ
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Old 12-23-2016, 08:33 AM   #9
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Space bags?.
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Old 12-23-2016, 08:44 AM   #10
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Some pictures courtesy of Scamp
Attached Thumbnails
1482507831512.jpg   1482507843862.jpg  

1482507854652.jpg   1482507865363.jpg  

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Old 12-23-2016, 08:55 AM   #11
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Like most trailers, RV's, and boats, made from fiberglass, welcome to the world of the "chopper gun," as shown in the post above. Only the highest end production companies use vacuum bagging and composites (like the airplane manufacturers) or even use hand laid woven fiberglass matting and hand applied resins, due to the increased expenses and time involved during production. If they do some hand laid applications, they generally are only used in high stress areas that need to be reinforced for added strength.
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Old 12-23-2016, 11:28 AM   #12
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Sid, the Lil Snoozy is sandwich core vacuum infusion.
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Old 12-23-2016, 05:34 PM   #13
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Quote:
Originally Posted by Casita Greg View Post
Like most trailers, RV's, and boats, made from fiberglass, welcome to the world of the "chopper gun," as shown in the post above. Only the highest end production companies use vacuum bagging and composites (like the airplane manufacturers) or even use hand laid woven fiberglass matting and hand applied resins, due to the increased expenses and time involved during production. If they do some hand laid applications, they generally are only used in high stress areas that need to be reinforced for added strength.
Hi: Casita Greg... Escape's are hand laid woven fiberglass matt. Reace told me that to use a chopper gun he would need to install air handling systems for employee protection. He's not that into speeding up production.
Alf S. North shore of Lake Erie
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Old 12-23-2016, 08:08 PM   #14
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In other words, Escapes are "high end" trailers at a mid range price!
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