<VV> VirtualVairs Digest, Vol 77, Issue 39

[djtcz at comcast.net]

----- Original Message ----- 

In a message dated 6/13/2011 8:55:39 A.M. US Mountain Standard Time, 
vairologist at cox.net writes: 

I have read (and maybe one of you can tell where the statement came 
from) that with the Late engine, destructive vibrations were noted as low 
as 
2,700 RPM. If that is the case, then a cruise speed of 60 MPH is pretty 
close. 

******************************************** 

Well, in the Bensinger speech there is mention of a freight train at 55 mph with the original solid flywheel applied to the EM. That was supposedly related to some bending or tilting mode that involved the flywheel, not a torsional mode. 


Dan T