I think several autopipe vessel users have encountered this problem:
the RTF file takes a long time to open
the RTF file is heavy to load
to launch a calculation it is necessary to close the RTF file (in this case me I want to look at the report and to launch the calculation a 2nd time if I changed a parameter)
if you want to compare 2 or more calculations in parallel, you won't be able to do so unless you save the file in Word and so on ...
the idea is to generate the report with PDF or word.
independent calculation report