Dennis Yeh wrote: > Yes, and it also depends on your motor. Double click your simulation > for the data, it shpuld be under "launch guide data" on the last line: > "minimum velocity for stable flight reached at:" What value does it use for "minimum velocity", or is this user-settable? -dave w > > On Mar 5, 2015 7:17 PM, "Rob Diehl" <rwdiehl@xxxxxxxxxxxxx > <mailto:rwdiehl@xxxxxxxxxxxxx>> wrote: > > Will rocksim give a ‘minimum rail length’ number when you enter all > of the rocket stats?____ > > __ __ > > Rob____ >