After 3 fails its time to ask where i go wrong..


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jeffrey bres
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As mentioned..   3x not a charm here.

I have this isseu every time.
Clearcoating without gelcoat would be an option. But allso that isnt easy with small holes like this.

Now i used gelcoat. Hoping it would help.

Gel had cured at 25 degrees for 5 hours was dry to touch.

I used 3m high tack clear spray adheasive to hold the fibers in place. (AS LITTLE AS POSSIBLE)


on the vacuum catch pot the dail says my vacuum is 100%
I leace the pump running over night.  In the morning when the resin is hardned the vacuum line form the ez composite starter kit to the pot is flat from the vac. 

(I dont have an official cacuum pump.  I use a 35l/m fridge pump. Whitch seems to work fine.   I can add an extra pump if i need more cfm...)
If my vac is to strong.. i can make a bleedvalve to reduce vacuum.   

But idialy i would love to have a perfect finish.

I use easy lease release agent..  denoulding is a breeze..




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Hanaldo
Hanaldo
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Don't need an autoclave for out-of-autoclave pre-preg; you need a freezer to store it in, and an oven to cure it in. Oven can be as simple or fancy as you like, mine is made from MDF and fibre cement board and cost me less than $500 including the PID controller. Has been serving me solidly for the last 7 years. 
jeffrey bres
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Hanaldo - 4/15/2021 2:36:27 AM
Don't need an autoclave for out-of-autoclave pre-preg; you need a freezer to store it in, and an oven to cure it in. Oven can be as simple or fancy as you like, mine is made from MDF and fibre cement board and cost me less than $500 including the PID controller. Has been serving me solidly for the last 7 years. 

Is that allso availible in glass. Or only carbon? 
I need a glass carbon hybrid layup.   Full carbon isnt good for these things. And cevlar ive had allso. But will start to wrinkle inside the carbon.
Then glass carbon. Is the best in this application. ( in my experiance.)



jeffrey bres
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jeffrey bres - 4/15/2021 9:07:13 PM
Hanaldo - 4/15/2021 2:36:27 AM
Don't need an autoclave for out-of-autoclave pre-preg; you need a freezer to store it in, and an oven to cure it in. Oven can be as simple or fancy as you like, mine is made from MDF and fibre cement board and cost me less than $500 including the PID controller. Has been serving me solidly for the last 7 years. 

Is that allso availible in glass. Or only carbon? 
I need a glass carbon hybrid layup.   Full carbon isnt good for these things. And cevlar ive had allso. But will start to wrinkle inside the carbon.
Then glass carbon. Is the best in this application. ( in my experiance.)



Only now i notice...  out of autoclave     could be interesting.    Could you tell.more.?   A freezer is eazy to come by..

GO

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