help a beginner measure mc in wood with confidence

[Ron Nossaman]

jimialeggio5 at comcast.net wrote:
>> The stiff rib set and low panel 
>> compression of an RC&S board will vary much less in unloaded 
>> crown 
> 
>> Ron N
> 
> and loaded? even less?
> 
> --
> Jim Ialeggio 


Nothing varies much loaded. How do you mean that?
Ron N