Here it is:

http://www.minwax.com/wood-products/...tective-finish

Being water based, it has no offensive odor like dope. The down side to water base is it can and will warp surfaces like ailerons There are two ways to deal with this. The first is to coat both sides of the surface at the same time, let them dry until they are not tacky and then weight them. The other is to first use a coat of lacquer based sanding sealer and then the polycrylic.