It's that moment you've all been waiting for! The oxidizer tank is almost done and we are looking to weld on Friday. But before we weld, we need to clean out the inside of the tube that is covered with grease and debris because the N2O will potentially react with them and it will clog our injectors. So on Friday morning at 8am, we need 5 people to meet at the SIF and help us clean the tank. It shouldn't take more than half an hour. Additionally, if someone wants to go shopping and buy a gallon of isopropyl alcohol and a gallon on acetone before Friday morning (hardware store in brookline or something) that would be great. Please respond to armorharris@xxxxxxxxx if you can help! -- David Armor Harris Boston University Rocket Propulsion Group davidh@xxxxxx