d build from there, we should have something better than all
of them. That is, unless 
*	someone has already done that; and/or 
*	someone really has a good one already. 

	.	In either case, the task is already done, isn't it? 

	.	This is just the standard engineering approach for design
development. Come ride on an XPT sometime, and you can experience some of
that sort of work I did. They might not actually fly, but they've been
running for 20 years, and just had a life extension for a further 10 years
whi