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Mark's Vans RV7
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Date:  1-28-2016
Number of Hours:  5.00
Manual Reference:  
Brief Description:  Reworked trim tab

Ok so I have joined the multiple trim tab builders club. This will make my third one. The original tab bends were never really that good and have always bugged me. So I sent off to Vans to get the four parts to rebuild it. After reviewing the construction manual I dove in to building my second tab. It came out worse than the first. So what to do??? I started researching the forum to see what other builders have done. WOW what an eye opener! A lot of guys have tried at least twice and some departed from the plans to cut and build small "riblets" for the ends. Good grief I cant believe this is that hard !! After rereading Vans instructions again and again I started to get a picture of just how they did it. There are several steps and materials that are a must. Later on that. I decided to disassemle and cut up the original tab and make a paper template of the original unbent tab and trace it on the cut end. Then after edge dressing the material I was ready to bend the new ends. Now to a vital step. Vans says to use MDF or equivelant hard wood and CLAMP the material down with carpet tape to hold the tab from moving. I used poplar hardwood blocks purchased from Home depot and some 3M thin carpet tape to hold the pieces. More in the next post.
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Made wood blocks

Made wood blocks

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Made a template of the original tab end

Made a template of the original tab end

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Marked 1/32

Marked 1/32" overlap on the upper tab skin

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