Here are a few more:

Trikes Vs Taildraggers: Which one's right for you?
http://www.rcuniverse.com/magazine/a...article_id=866


Balancing Your Airplane: A few basic points on balance
http://www.rcuniverse.com/magazine/a...?article_id=84


Balancing Up-side Down: When and why you should balance your plane up-side down
http://www.rcuniverse.com/magazine/a...article_id=601


How to Solder: It's not as scary as you think.
http://www.rcuniverse.com/magazine/a...article_id=172


Sheeting Repair: How to fix that hole in your sheeting
http://www.rcuniverse.com/magazine/a...?article_id=98


Repairing a Leading Edge: How to fix the bite that pole took out of your wing's leading edge
http://www.rcuniverse.com/magazine/a...article_id=998