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Hi,
Are there any "quick & dirty" methods for making a rough assessment of the condition of the fabric covering on the fuselage? I remember someone mentioning a "pencil test" - what is this, how accurate is it & how is it done?
Thanks,
Tom
Are there any "quick & dirty" methods for making a rough assessment of the condition of the fabric covering on the fuselage? I remember someone mentioning a "pencil test" - what is this, how accurate is it & how is it done?
Thanks,
Tom