Builder Spotlight

Author Bob Fritz explains how to set up a vacuum-bagging operation in your home shop, using readily available equipment and supplies, which will get you great results on small- to medium-size parts. The object is to mechanically squeeze out excess epoxy for a good-ratio part with maximum weight savings and strength.

Having more gas on board than needed for a given flight seems easy enough...

The advantages of Plexiglas are many, but there are some important things to know about working with it and maintaining it.

Design process-CG limits and tail size.