Glass Strut
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Step 1 REINFORCING THE GLASS STRUT

I found some paper that was pretty darn close to the .013 per ply the plans say is the thickness of a layer of BID.  This made it really easy to determine how many layers I would need.  I ended up needed 6 total, 4 in addition to the 2 plies that these sides get per plans reinforcements.
I test fitted the MKNG-15A assembly (on top of the plans M drawings, taped together) to be sure I had the right length for the strut.  I had to take a bit of length off even after cutting the strut to the 25 3/4" length per plans.  I surely hope I don't wish it was longer later on.... some folks have cut their main gear 1" shorter to get the fuselage more level for lower-speed takeoffs.
Here I am installing the 4 extra layers of BID I needed to get the MKNG-6 to fit properly.  I put these on first, so they'd be covered by the wrapping layers, and, staggered the ends of them about a half inch each (each layer is 1" shorter in length than the next) to avoid any bumps in the final product.
On went the 2 wrapping plys.  This was quick, but, a little messy to do since you have to roll the thing over a couple of times.  I thought about making a rotisserie of sorts for it but didn't since it's a quick layup.
Into the vacuum bag it goes.  Yes, I probably bag more than I need to but this layup is awkward shaped and definitely needs the strength a bubble-free low resin layup will bring.  The final product turned out very nice.  You can hardly tell it was wrapped (unlike the main gear layup I did...   wish I would have bagged that.....)
Click here for fabrication of the NG-30s

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Copyright © 2008 Jim Springer - All Rights Reserved