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help fiberglassing

Old 04-07-2007, 11:45 PM
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rye
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Default help fiberglassing

hello
i just finish sanding my second coat of z-poze fiber reins over 2 oz colth it looks bad i have sanded as far as i think i should go with out going though should i prime and then use bondo like a car, coat the hull and then sand to get a smooth surfaces and prime again thanks rye
Old 04-08-2007, 07:50 AM
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barnstormerboats
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Default RE: help fiberglassing

Hi Rye,

Some Pics would help. Are you going to paint this in the end? Is it glass over wood?

Pics of how bad it is now would tell what has to happen next.
Old 04-08-2007, 09:19 AM
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rye
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Default RE: help fiberglassing

yes i am going to paint it with top flite fuel proof paint and it is glass over plywwod frame balsa skin , sorry camera it broken at the store being fixs
Old 04-08-2007, 03:34 PM
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rye
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Default RE: help fiberglassing

ok found a camera here we go
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Old 04-08-2007, 10:31 PM
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robotronski
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Default RE: help fiberglassing

There are ath least two types of what people call "Bondo"

A course Bondo (typically used for big dents, mixes to a pinkish-grey color) and a fine finish bondo cream that mixes to a mustard color. The fine finish is used for filling scratches, pinholes in the course Bondo, and works great for filing in the "Grain" of fiberglass cloth.

It is easy to wet sand and produces a smooth finish that takes paint great.

I use a Bondo Squeegee to apply it but a peice of heavy poster paper does a decent job too.

Don't apply too much, try to get it as level/smooth as possible before it sets up.

It has more of a cream consitency than a heavy-dense "Goo" consitency.

Oh and when I say Bondo I mean auto body filler in general as there are lots of brands out there.

Hope this helps...

Robo
Old 05-04-2007, 04:44 PM
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rye
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Default RE: help fiberglassing

hi guys
first let me thank every one who help me thought this, i sanded and i think it looks go ,so now i am ready to prime and paint, me and my boys who build and fly rc planes have been talking about paint i want to us top-flite airplane paint its is fuel proof and it hole up to anything and it will match all the scale things that i build and painted allready here is the link to what it looks like any ideas on paint thanks rye
http://www.rcuniverse.com/forum/m_4930049/tm.htm
Old 05-05-2007, 02:59 AM
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Default RE: help fiberglassing

For future projects mix microbaloons in your top coat of resin and it will be much easier to sand smooth.

1 brush on a thin coat of resin to seal the wood and keep it from sucking the resin out of the glass, let kick but does not have to be hard before going to step 2.

2 Apply glass and wet out just enough to make it all clear but don't try and fill the weave.

3 Apply microbaloon resin mix to fill the weave of the glass.

4 let kick off well then sand to a glass smooth finish.

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