General rule of thumb:
Very Small (no overhead shop) = 30 - $40 per hour
Standard shop w/ overhead and inspection = $60 - $80 per hour.
Large shop and machinery = $150 - $200 per hour.
Where can I find information on attaching aluminum skins to a frame? This frame will be in the air stream. I would like to fine the different methods for attachment and about any corrosion issues.