I get the following times off the 555/four HS50 setup (all with a reserve margin remaining): Four cell 50 MAh pack - 20 minutes Four cell 100 MAh NiMH pack (same size/weight as the 50 MAh NiCADs) - 30 minutes No testing with three cell packs, but I would assume similar times. I have some 150 MAh NiMH cells (also the same size/weight as the 50 MAh cells) that I'm going to try soon. I expect 40-45 minutes from those. ----- Original Message ----- From: "Peter Williams" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Monday, December 11, 2000 6:55 PM Subject: [RCSE] HS50/555 Flight time > What sort of flight times are available for four HS50s and a > Hitec 555 off a three cell pack, is a 50mah pack viable ????? how about > 110mah 3 cell. This assumes an intelligent peak charger of course. RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED]