Miltä valve float näyttää?

[Mussemaan]

Mienenkiintoisia videoita:

coordinated valve and piston motion at 4000 rpm and 2000 rpm (1.3 MB)
http://www.engr.colostate.edu/~dga/high ... motion.wmv

valve spring tests with engine speeds increasing from 1000 to 6000 rpm (2.8 MB)
http://www.engr.colostate.edu/~dga/high ... 000fps.wmv

same test with a few coils removed from weak spring, 3500 to 6000 rpm (2.1 MB)
http://www.engr.colostate.edu/~dga/high ... 000fps.wmv

close-up of weak spring at 1000 and 6000 rpm, showing valve float and spring surge (0.7 MB)
http://www.engr.colostate.edu/~dga/high ... 000fps.wmv

Dataa:
plot of cam profile (Excel file)
http://www.engr.colostate.edu/~dga/high ... rofile.xls