This has nothing to do with tekkit
http://help.mojang.com/
check this if you cant connect at the moment "Minecraft multiplayer sessions" is down giving the 503 error when joining a server.
And for your own safety don't paste the entire URL with your ids ;)
http://help.mojang.com/
check this if you cant connect at the moment "Minecraft multiplayer sessions" is down giving the 503 error when joining a server.
That is a feature not a bug, RM furnace will double the output 100% and DM furnace has 50% chance to double the output.
Source:
http://equivalentexchange.wikispaces.com/Dark Matter Furnace
http://equivalentexchange.wikispaces.com/Red Matter Furnace
"When smelting ores, it will always double the output."