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COMPOSITE TWINJET EDF DEVELOPMENT
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PART FABRICATION
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Layed up the first set of parts today. 2 layers of 2 oz cloth. Went over the layup patting down with paper towels to mop up all the excess resin.
I have not pulled the parts out of the mold yet as I had to do some in mold assembly. Adding the carbon fiber arrow shaft reinforced spar, foam ribs, and the fuse arrow shaft stiffener. I used Pro Bond urethane glue to glue everything. Put the glue down, spray with water mist and add some weights to hold parts in place. Glue foams up to fill voids, and sticks real good to Glass. Tomorrow I bond the two halves together and wait a day to pull the assembly out of the mold. |
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Here is the first fuse assembly out of the mold, trimmed, and cleaned up. The camera flash obscured the number on the scale, it is 438 gms(15.44 oz.). I was hoping for 13 to 14 oz. It took 2.5 square yards to do 2 layers on the layup at 2 ounces per sq yard, thats 5 oz of glass cloth and 10.44 oz for the resin, spar, carbon fiber arrow shafts, and foam ribs. Will have to thin out the gelcoat a little more on the next one. But this Fuselage is still in a good range. |
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After a week of filling in pinholes, glassing the power modules, canopy/access hatch, and vertical stabs, and assembling, I am on to the color paint stage of the finish. I am right on target to end up with a 52 oz RTF weight.
I have to sand off most of the primer, but things are starting to look like something. |
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MOLD CONSTRUCTION
GRAPHICS/ FINAL FINISHING
FLIGHT TEST INFORMATION
BACK TO RC AIRPLANE INDEX PAGE |
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