References:

1. Skyhooks and Rigging Catalogue 2003.

2. Plastecs (www.plastecs.com/solar%20panels.htm)

3. www.skyhooks.ca/sky.htm

4. UAV's (Microsoft Encarta Encyclopedia Standard 2005)

5. Model Components: Mentor Science of flight course.

6. Centre of gravity ( http://quest-nasa.gov/aero/planetary/atmospheric/s+cl.html)