08-20-2014, 05:12 PM
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Old Submariner
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Join Date: Jan 2009
Location: Home of Wayne & Garth
Posts: 7,781
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Next, I prepare the fin can.
After cutting the raised nibs and the top and bottom scrap pieces from the fin can with a razor knife and preparing the slots to accept the fins, I sand some "tooth" into the inside rear end of the can with 220.
I then insert the engine tube assembly into the can as far as it will go--registering the small CR onto the inside sanded area and orientating the EH between (2) fin slots. I then use a short scrap piece of BT to align the modified large CR and the can's shoulder. I then glue the small CR to the inside of the can with epoxy. TBC
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