Calvin, I think you definitely proved that the compass came from up ‘North’ on top of the tree to down ‘South’ to the ground. Consider yourself a great success. That the compass did not survive is merely a side issue with which you need not be bothered..
Reminds me of a joke in ‘Three Men in a Boat’ where George plays his banjo to soothe Harris off his headache and Harris says he would rather have the headache.
If he really makes it Olympic size pool, where will the house be ? In the middle ?