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The Redheads RV-7A Build SIte
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Date:  8-22-2010
Number of Hours:  3.00
Manual Reference:  Lighting
Brief Description:  Preparing for Landing Lights

Forming the plywood requires that you dunk the plywood in hot water. The 3-ply "Domestic Birch" plywood I bought from Aircraft Spruce claims to be able to withstand boiling for 3 hours. To heat the water I planned to use my old lobster boil equipment. In years past I used to invite folks over for a lobster boil and this was the rig I used - a propane tank and a 140,000 BTU burner. I wasn't going to boil the plywood but I waited until the temperature of the water reached 170 degrees F before I dunked the plywood. Twenty minutes later I pulled it out and started to bend it but it wasn't an easy bend so I put it back for another 20 minutes and this time it bent fairly easily. Image 3 shows the leading edge skeleton sort of trapped between two pieces of oak on my old Sears Craftsman Portable Craft Center. I've had it for more than 25 years and it's proven to be a handy device with it's built-in vice. I set up the skeleton between the two pieces of oak so that there was room for me to insert the plywood between the skeleton and the oak on one side while I bent it around the skeleton and then into the gap on the other side.
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Propane Tank and Lobster Boil Pot Ready for Action

Propane Tank and Lobster Boil Pot Ready for Action

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Plywood Going for a Hot Water Bath

Plywood Going for a Hot Water Bath

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Let the Forming Begin

Let the Forming Begin

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