Details in SETP or MMM
"... gone awry for the lack of calendar time than for ..."
Unfettered optimism may create problems!
"... building from pure thought-stuff"
Divide yourselves into four teams
1: Perfectly partitionable task
2: Task cannot be partitioned
3: Partitionable task needing comm-unication
4: Task with complex inter-relationships
Software Task Planning
One-fourth component and early system test
One-fourth system test, with all components
Carefully schedule your software tasks!