I HAD some software I used but lost it (and lots of records) to a computer theft a couple of years ago.

This included ALL copies of my DynoJet Dyno runs. As luck would have it I had managed to upload some of my database to the DynoJet site.

The software I had was designed more for 2 stroke motorcycle engines but some of the parameters like rod angle, compression ratio and piston speed were directly applicable.

If my memory serves me, the only software I came across in a recent search of the net cost around $100.00 and $100.00 will buy a nice airplane kit thank you!! (and it was written (I think)
for RC boat engines)

My records are now kept burned on CD in Word for windows.

I surely would like another shot at some engine mod software.

BTW: I used that engine balancing info that the helicopter guy from RCM wrote up (originally from a Russian control line racer) and it works well but requires the removal of a lot of material from the stressed areas of the crankshaft. I read where the control line fast guys are spinning their engines up around 44,000 RPMs (Yes that's FORTY FOUR THOUSAND) YIKES!!!

Take care!!

GSG