Project: mhlRV14A     -     Entry

Dec 30, 2021 6.2 14-05 - Right Wing Rib Systems Holes Category: 14 Wing Ribs
Right Wing Systems
- Wingtip Nav/Strobe Lights
- Landing/Taxi Light
- Roll Servo
- Aileron Trim
- Temperature Sensor

Rib R1
- LWR FWD: 1/2” (SB 500-6); WH-00011 / WH-00013
- UPR AFT: 1/2” (SB 500-6); Spare
- LWR AFT:

Rib R2
- LWR FWD: 1/2” (SB 500-6); WH-00011 / WH-00013
- UPR AFT: 1/2” (SB 500-6); Spare
- LWR AFT:

Rib R3
- LWR FWD: 1/2” (SB 500-6); WH-00011 / WH-00013
- UPR AFT: 1/2” (SB 500-6); Spare
- LWR AFT:

Rib R4
- LWR FWD: 1/2” (SB 500-6); WH-00011 / WH-00013
- UPR AFT: 1/2” (SB 500-6); Spare
- LWR AFT:

Rib R5
- LWR FWD: 1/2” (SB 500-6); WH-00011 / WH-00013
- UPR AFT: 1/2” (SB 500-6); Spare
- LWR AFT:

Rib R6
- LWR FWD: 1/2” (SB 500-6); WH-00011 / WH-00013
- UPR AFT: 1/2” (SB 500-6); Spare
- LWR AFT:

Rib R7
- LWR FWD: 1/2” (SB 500-6); WH-00011 / WH-00013
- UPR AFT: 1/2” (SB 500-6); Spare
- LWR AFT:

Rib R8
- LWR FWD: 1/2” (SB 500-6); WH-00011 / WH-00013
- UPR AFT: 1/2” (SB 500-6); Spare
- LWR AFT:

Rib R9
- LWR FWD:
- UPR AFT: 1/2” (SB 500-6); Spare
- LWR AFT: 1/2” (SB 500-6); WH-00011 / WH-00013

Rib R10
- LWR FWD:
- UPR AFT: 1/2” (SB 500-6); Spare
- LWR AFT: 1/2” (SB 500-6); WH-00011

Rib R11
- LWR FWD:
- UPR AFT: 1/2” (SB 500-6); Spare
- LWR AFT: 1/2” (SB 500-6); WH-00011

Rib R12
- LWR FWD:
- UPR AFT: 1/2” (SB 500-6); Spare
- LWR AFT: 1/2” (SB 500-6); WH-00011

Rib R13
- LWR FWD:
- UPR AFT: 1/2” (SB 500-6); Spare
- LWR AFT: 1/2” (SB 500-6); WH-00011

Rib R14
- LWR FWD:
- UPR AFT: 1/2” (SB 500-6); Spare
- LWR AFT: 1/2” (SB 500-6); WH-00011

Initial Prep (Debur, Trim, Drill, and Cut)
12/24/2021 – 2.0 hours
12/26/2021 – 0.7 hours
This step is basically identical to the previous one – just for the right wing instead of the left. The right wing is also a bit simpler than the left since I don't plan to run pitot or AoA lines through the right wing, and the plans show that all of the right wing systems holes are the same size. Like the left wing, I used the ribs as drill templates for the upper systems holes by clecoing the aft tooling holes together, and inserting a #11 drill bit in the forward lower systems holes to align the ribs. I used the #52 bit for a pilot hole, and gradually upsized all of the holes to 1/4" pilot holes to guide the step drill. I then switched to the step drill to upsize each of the holes to 1/2".
[Drill bits (#52, #30, #21, #11, #10, 1/4"), Step Drill, Clamps, Rulers, Calipers, Hole and Edge Deburring Tools]

Prime
12/26/2021 – 2.2 hours
12/30/2021 – 1.3 hours
Priming followed my now-standard process of scuffing, cleaning, and degreasing each part before spraying the primer on. I was fortunate to have a very warm late-December week to do all of the cleaning and priming outside. The primer didn't go on as evenly as I had hoped, so I'll look for another decent day to apply a light second coat.
[Grey Scotchbrite Pads, Bon-Ami Cleanser, Dupli-Color Degreaser, Dupli-Color Self-Etching Automotive Primer (Green – Rattle Can)]

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