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canadafins

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Reply with quote  #16 
This is what it should look like after all the air is rolled out. It is also important to do only one layer per day or the mold could distort, it is very important to use resin with no wax in it till the final coat of mat and resin. Then use wax in your resin for the final cure. If you use resin with wax in it all along the various layers won't bond together, the wax is just for a final surface cure.  d6.JPG
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Reply with quote  #17 
Four layers of mat will be built up over 4 days plus one extra layer around the flange only. d9.JPG
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Reply with quote  #18 
The front was finished by curving the mat around the corner about 2" on to the fire wall and adding a separate half circle of mat with flange over lapping the mat that was curved on to the fire wall from the body area.   d10.JPG
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Reply with quote  #19 
The inside of the wing saddle area will be cut out and eventually and used as access to join the two halves of a finished product in the mold. You can see from this picture the black area that is part of the fuselage and the lighter area that will be cut out in the future.....  Till next week...
Brad Lake..(Canadafins)  d11.JPG

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Reply with quote  #20 
4 more layers of mat were added since the last post plus an additional layer around the flange area only.M20.JPG 
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m21.JPG 
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Reply with quote  #22 
The next step will be to remove the board from our now made mold half. I started by running around the flange area with a putty knife to loosen it from the board. m23.JPG 
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Reply with quote  #23 
Next I spit the board at each end with a jig saw being careful not to touch the flange or the plug. The board was then broken and carefully removed not disturbing the plug in the half mold now made. The masking tape put on earlier protected the plug from the hot glue used  to glue the plug in place.m24.JPG 
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Reply with quote  #24 
m25.JPG 
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m26.JPG 
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m27.JPG 
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Reply with quote  #27 
Next the tape and modelling clay were removed from the the plug , you can now clearly see the flange formed against the board that was previously in place.m28.JPG 
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m29.JPG 
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Reply with quote  #29 
I laid 2" tape around the entire flange next to the plug as a guide for trimming the flange with a rotary cutting tool.m31.JPG 
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Reply with quote  #30 
Now that the flange is trimmed to shape and all the modeling clay and masking tape is removed  , 8 more coats of mold release wax are applied to this side of the plug and flange in preparation of making the final half of the mold...Till next time...Brad Lake (Canadafins)m32.JPG
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