I feel like I'm going to regret this, but what's with your mass?
I actually was just curious what data type attackpoint used for the weight. It is clear to me that it's using a flavor of a SQL database to record the data - try inputting text in the weight field, and you get a SQL error. While I'm not entirely sure why the max weight is as it is, the value of the number is close to 2^60, which suggests the 8-byte double (with some sign and extraneous bits, I guess) as the format.
This discussion thread is closed.