<VV> Good Ref re strength of bolts

[ScottyGrover at aol.com]

In a message dated 2/27/2010 1:25:04 P.M. Pacific Standard Time,  
ronh at owt.com writes:

Trial  and eror is shade tree development by uneducated tinkerers and bears 
 
absolutely no comparison to engineering of any kind.  
 
How do you think the original engineering data was developed?   Engineering 
had to start somewhere--in any field.
 
Scotty from Hollyweird
 
 
 
 
.