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Old 10-30-2011, 04:48 PM
Mahatatain Mahatatain is offline
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Join Date: Aug 2009
Location: UK, near Maidstone in Kent
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10 mins of continuous transmission makes more sense.

Also the R-392a is from the early 1970's (one of the references implies 1973) so I think that the weights StainlessSteelCynic suggested make a lot of sense to me.
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