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Old 10-05-2011 | 06:28 PM
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From: Bradenton, FL VA
Default RE: Platt Zero Build Thread

Resonding to Numblock's question:

<span style="color: rgb(0, 0, 255);">"How large of a wing will the A-Justo-Jig accommodate? And was there a jig included for the holes you drilled into the ribs?

Thanks,

Bob I. <span class="info"> </span> "</span>

Hi Bob,

The Platt Zero has just barely under an 80" wingspan. With the A6M3 wingtips option built as per plan, it will just fit the jig. I wanted the A6M3, but decided not to use such a large solid wingtip, so I extended the jig's rods out a couple inches beyond the jig to hold a last rib #11 per the A6M5 square tip version, but I trimmed it down to the A6M3 profile with a much smaller wingtip block that way.

A-justo-jig rod holes: The plan does not provde drill points for a-justo-jig rod holes. I picked a location that would allow me to use one of the rod holes for the aileron control after I pulled out the rods. This worked great.

I also had to cut two of the jig's rib braces in half so I could remove it with the wing still on the jig where the aileron control horn support goes. I had to do this so I could mount the horn before covering the top of the wing. I made a 1/8" ply plate that fit inside the jig profile and screwwed it together. This turned out to be a neat idea I think... (if they remake a-justo-jigs, as I have seen talk on other forums, this would be a neat standard feature to allow removal of some ribs early...

I hope these pictures make sense after reading this... (grin)

PS. I just found some earlier photos I made when I was figuring out where to drill...

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