hello all
fanman here, i had many reguest for a posting on how i make my blades so here it goes, i start out with a blank of wood thats laminated to the approximate size then i cut out the rough shape of the blade.
i made up a box to carve the blades in, its a simple box that holds the blank secure. on either side of the box is pine boards that auctually create the twist in the blade, you can see the top or leading edge board is straight and the bottom board or the trailing edge has all the curve of the blade,
this is the router that i use for the carving of the blade,i attached the board as a guide, i set the board across the two pine boards and slide it back and forth and let the bit carve out the wood, it does work really good and fairly quick
i started to carve this blank as you can see the board onthe router follows the two pine boards and creates the twist in the blade blank, you can see the angle on the face of the blade
and this is the blade after i carved the back of it, i kind of skipped the carving of the back, i carve the back with a electric hand planer and my belt sander,once i have the thickness i want in this case its 1 1/2 at the tip, then i mark two lines on the back one at 30% and one at 50% and carve to those lines and then round over whats left to make a nice round airfoil shape and thats it see ya
fanman |
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