Transistor pulsing high PS with battery charge and UPS 5 Volt

[Scott Wiper]

I have this design after getting two books on switching dc to dc converters
I have come up with this:

http://www.travel-net.com/~swiper/switch.gif

You see I heed 2.5A at 5VDC.

My Question is;

Am I going a abit stupid with the inductors L1 and L2?
(I have ones with 41 turns of 18 wire guage on ferris cores. They messured
10 mH)

Will This blow up the caps on the emitters on both 2N6284's?

I am getting stumpted.