BEC vs Rx pack?

Originally Posted by snowhack

I have a MM and w/ 3s Li-Po and a future 8T conversion would warrant a 4s Li-Po. Do I need the castle bec or can I use the rx pack I already have? I know the added weight is a dis-advantage, but what other problems would I face if any? I never hear anyone talk about Rx packs in Nitro/BL conversions. Thanks.

besides the weight factor, if the voltage gets too low you would lose the signal like a nitro vehicle can, but than you wouldnt have to worry about the BEC failing and the possilbilty that some components could fry