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My LHS had some pretty nice 6" wide 1/8" balsa, so I built a new vert stab. This time I extended the tail post an inch beyond the bottom of the fuselage. I'll trim it to length when I mount the stab. Took a few hours to build, mostly eating for glue to dry.
I also got a chance to square-up and use a couple of the taller building board fixtures and presses. EJWash |
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Put down the fuselage crutch on the building board.
Just like building the wings started with the main spars and everything being attached from there, so it is with the fuselage. A balsa frame (called a "crutch") that follows the outside shape (birds-eye view - looking straight down) of the fuselage is built over the plans. The bottom fuselage formers are attached to crutch. The fuselage is then turned over and the top formers attached. Thought I'd post a few picks of the new toy I found at MicroMark. The fuselage crutch framework has cross-pieces attached. Being that the sides of the fuselage are curved, the ends of these cross-pieces are angled. With the use of my new measuring tool I am able to determine the exact angle of the cross-pieces. I can then sand each piece to this angle with my mitre sander. EJWash
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Forgot to taper the outside front (nose) area of the crutch before I took the pic. NOW the crutch is complete and ready to receive the fuselage components.
You've seen me replace several of the kit supplied parts. In most cases, I'm not satisfied with the die-cutting (die-smashing) of a part, or the quality of the kit-supplied wood. In order to duplicate the parts that I replace, I make a photocopy of the part I'm replacing from the plan sheet. I compare the photocopy to the plan sheet to make sure the copy matches the replacement part on the plan (some copiers do not provide an exact 1-to-1 copy). I used to own a copier that would accept card-stock weight paper (80#) but my current copier does not. Card-stock makes a great trace-around template. What I do now is glue the photocopy of the part to card-stock using photo mounting spray glue. This grade of glue sprays finer from the can than the multi-purpose spray glues. I roll-out the photocopy on the card-stock using a veneer roller to get it nice and flat. I give the glue about 10-15 minutes to dry and then trim the outline of the part. Now I have a template of the part I want to replace. I use a fine-tip roller-ball type ink pen to draw my outline on the wood. This type of pen does not indent the wood, and the fine-tip allows the ink to get right up close to the template. EJWash |
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IIRC, there are sizing controls within the flatbed scanner and/or printer with which we might fine tune output size. Already having 2 sets of plans for the Cub, I haven't yet tried duplicating sections of the plans but now I'll look for an excuse to do that.
I have a photo printer (Canon ip8500) whose paper transport handles heavy photo paper very well so should do just fine on a manila folder (my go to for small patterns), though I have to test that. Ordinarily, when I have to replace a kit part, I just use the part as a template for the new one. Others have mentioned transferring an image from the copy directly to the wood by heating the reversed image's toner using a covering iron. Got to try that one, too. |
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EJWash |
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