RE: another GP Viper question..
Here's an article that Bob Dible (aka HighPlains) wrote about Q500 design and setup:
[link=http://www.modelaircraft.org/MembersOnly/archive/printimage.asp?imagefile=documents/SET1-26/AMA9804/00000095.jpg]Bob Dible Article page 1[/link]
[link=http://www.modelaircraft.org/MembersOnly/archive/printimage.asp?imagefile=documents/SET1-26/AMA9804/00000096.jpg]Bob Dible Article page 2[/link]