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fatfish96 said..HIlly, did you end up sanding down the inside of the 1850 to get it on? Same issue that my friend had. He didnt sand it and was going to contact Armstrong. Was surprised about the fit.
I filed the inside of my 1850 wing to allow a perfect mate with the fuse. There was a full inch gap left at first when trying to fit it on the fuse. I previously had to file down my 85M female connection to allow the fuse to fit.
The fix is extremely easy and I didn't bother contacting armstrong. I prefer it to be a bit snug on shipment and allow me to perfect the fit to my fuse. Here's the method:
Tools required:
paint marker or similar
metal file - 15mm taper to 10mm size is perfect
Step 1: Use marker to mark up the fuselage in uniform manor
Step 2: Shove the wing onto the fuse
Step 3: Remove wing and make note of the areas of disturbed marks on the fuse
Step 4: Keeping in mind the problem areas identified on the fuse, use the file to carefully file the corresponding section inside the wings particular hexagonal section.
Step 5: After lightly filing the problem area, slide the wing back on to assess the fit.
Step 6: Repeat as necessary until the fit allows the holes to be at least 3/4" visible. From there, use the torx tool as a lever to pull the wing all the way on.
Note: blow out the dust between tests. (wear a mask)