12-21-2008, 05:22 AM
|
 |
Forest Sprite
|
|
Join Date: Dec 2006
Location: Back Up in the Woods
Posts: 3,657
|
|
Quote:
|
Originally Posted by UPscaler
wow, you did a great job on the sanding to an airfoil shape. How did you do it, i've tried three times, and snapped the fins everytime,lol!
|
You can see that in the photos?? Yes, the fins are airfoiled, but I didn't think that it was apparent in the photos. - Use hard, C-grain balsa as fin stock.
- Mount your sandpaper on a sanding block.
- Avoid pressing down on the sanding block as you sand. Let the weight of the block supply the pressure.
- Lay the fin on a flat surface.
- Sand slowly and carefully in one direction only.
Mark \\.
__________________
Mark S. Kulka NAR #86134 L1,_ASTRE #471_Adirondack Mountains, NY
Opinions Unfettered by Logic • Advice Unsullied by Erudition • Rocketry Without Pity
|