If you've got sticker shock after shopping for a main electrical system junction box, Jim Weir will ease your pain with a junction box you can build (and a cool color-coding system, to boot).
Heres one instance where the sound of silence (as in no engine noise) wont signal the need to start scoping out a place to set down. The Urban Air motorglider offers a compromise that makes the best of both worlds: fuel-efficient powered cruising and exciting powered-off soaring.