Keith Evans 3
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Everything posted by Keith Evans 3
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Began L.E. sheeting Using some water and the mark one finger nail along with some slitting where the bend was going to be I prepared the 1/16" sheet . I started the sheeting in the centre of the wing and worked my way out to tip . With a tremendous amount of pins aliphatic ,'P.V.A. and cyno . I managed to curve the sheet out and down to the wing tip . A little bit of filler to cover the slits and the job was done These few words do not convey the difficulty at bending the sheet to the tips . If I were to tackle this again I would either use foam or balsa block between the two end ribs and carve to shape . I've laid out the top fuselage formers again to show the under size dimensions .Again it would be worth considering re positioning ribs W2 to allow for this . I'm in the process of trial fitting the sacrificial jig to check for alignment .It all looks good so far . Gluing up the rear beam mount in the servo bay .
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Continued with the elevator etc. I made up a simple jig so I could sand the L.E. of the assy .to get a reflex of approx .3/16". I did not split the assy. at this stage in an attempt to arrive at the same angle at both ends . If they were different then I suspect it may have an adverse affect on the flying characteristics . I continually checked with a set square .Sorry about the flash . Both reflexes looked the same when I had finished . The elevator was then chamfered . The last shot shows the outer tips being fitted along with the positions of the snake supports . The balsa arrived today .So it will be back onto the main wing .
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