about midnight
Therefore , a final consultation was held . Wind tests conducted each day had shown the prevailing breezes favorable , or at least not against the aeronauts . The inflation would require approximately ten hours . If begun at once this would make the departure possible about midnight . This was not undesirable as the absence of the hot southwestern sun would make the gas easier to control . But another thing had to be taken into consideration . Only four days had elapsed since Elmer and Bob and Buck had started .