This is the adapter I use to convert Hyperion taps to Flightpower taps:
http://www.amainhobbies.com/product_...ducts_id/18243
Although it is actually cheaper at Max Amps...
http://www.maxamps.com/HYP-MULTI-TP.htm
There is also this one, but they don't have it at AMain.
http://www.maxamps.com/HYP2S-TP-Adapter.htm