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[taxi]

After weeks of inactivity I returned to the shed to continue with the build of superstructure (photos will be posted  when I have something worth posting) only to find that the ply (2mm) which was cut some weeks ago had twisted.    Anything that was left flat has developed some degree of twist, hopefully this can be cured by gluing some kind of support and the use of superglue where appropriate.   Anybody else encountered this problem?

[Bunkerbarge]

Changes in humidity and ambient temperatures will affect raw untreated wood so it is always best to cover it up to protect it from such effects. 

It could even, if extreme enough, affect wood inside such a thing as a cardboard box.  Outside sheds are the worse for allowing such atmospheric changes to get to our models so carefull protection is essential. 

I would suggest wrapping in clingfilm for such long periods of time under these conditions.

[Bluebird v2]

Hi there Laxi

You may be able to salvage your ply-wood pieces - do this by bringing it indoors and clamping it /sandwiching it between two very thick pieces of plywood, leaving it in the airing cupboard or a warm place overnight.

As Bunkerbarge has said, dampness is one of the worst enemies of working with ply-woods or any woods outside.

aye
john e
bluebird

[Shipmate60]

Taxi,
You might be able to salvage the plywood.
BUT
For me the only safe way is to scrap it and start again.
Once Ply has warped it is susceptible to warping again.
I am sure you don't want the built part warping.

Bob

[DickyD]

As a retired carpenter and joiner I agree with Bob, if its warped once it can do it again.