<span style="text-align: justify; ">So I elected to use the CA hinges supplied with the ARF, I personally have no problem with using them on this size airframe; I did however pin and seal all of the CA Hinges. See photos

</span><p class="MsoNormal" style="text-align:justify">Firewall- The Edge 540&rsquo;s firewall isn&rsquo;t too bad from the factory but it flexes and since I'm putting a 26cc gasser on the airframe some &ldquo;Guesses&rdquo; needed to be install [balsa triangle block] around all of the firewall former and bulk heads.*****Note**** if you are moving the fuel tank over the wing spar you must install the fuel tank support bracket it is structural to the airframe. More photo&rsquo;s

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