Most Obeche is not rotary cut but plane sliced. Rotary cut veneers are
low grade, porous, and not good for veneering wings. Much of what you
are seeing is due to the fact that the veneer is cut on freshly steamed
logs to increase their elasticity and soften the wood. The better
veneers exhibit very little of this bumpy phenomenon. 
This thread is the most silly I have seen in a while, the only reason
this might make any difference (using one side or other) is if you are
clear coating and not covering wings with covering, and then what
possible weight difference would it make to fill with a lightweight
filler such as talc or water based sanding sealer. The wood is porous
from both sides regardless of bumps. It will need sanding, (profiling)
sealing and filling irregardless of bumps.
Pick the side you like and go for it.

JD
Which end of the egg do you crack open?

Endless Mountain Models
http://www.scalesoaring.com
email: [EMAIL PROTECTED]
 

-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] 
Sent: Saturday, October 09, 2004 8:35 PM
To: [EMAIL PROTECTED]
Subject: Re: [RCSE] Obeechi answer

Those little bumps are caused by cutter knife. They
are ripped from the other side. The veneer is cut from
log while rotating. It's much easier to sand off those
bumps (which may adds up to maybe 1% of surface) than
try to sand smooth the other side with dings. Thus
bumps side outside.


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