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August 14, 2018.   Issue #4,631.
  'Dirty Belly' entry, sent anonymously.  Being cleaned now I'm told. 


Step 0.1: Book the trip to Aurora ...joe gremlin

I've had a hankering to build some kind of RV ever since I started working on my private cert back in the late 90's. Never had the means or the time or the space to really consider it.

Going to be turning 50 next month and I'm finally to the point where I've got the time and the space. The money? Well we'll figure that out as we go. Wife has about a year of school to go on 2nd masters so not planning to start anything until next summer.

I've already booked us a room in Appleton for OSH next year so we can see all the Vans stuff as well as the competitors. But today we just booked a trip to Portland for my birthday next month. The plan is the to do a factory tour. At the very least we want to see how we fit in the 9 vs the 14 vs the 10 while we're there and take a demo ride if able.

Planning to go see the Spruce Goose while we're there and then spend a couple days seeing the Mt St Helens area.

Is there anything I should make sure I see/do while at Vans and is there anything else we should try to see or do in the area while we're there?


RV-3B Status Report ...David Paule


Serious Control System Issue ...jwilber RV-10

Doing my first annual. When checking the elevator control in the tunnel I found the jamb nut was loose about 6 turns. Upon further investigation I found that the F-1065 cross bar was scraping the safety wire which in turn had worked the jamb nut loose. This happens only when the stick is pulled all the way back and while all the back it moves left/right -- exactly what you do when landing.

I know for a fact this was not scraping when I finished the build. I believe the push tube just twisted enough to bring the safety wire straight up top. So this had to be fixed. My plan was to first remove the bearing from the assembly, loosen the other end and roll it to put the safety wire on the bottom so it could never interfere again. Then I was going to adjust the segments as necessary to prevent any lingering interference. .... Well, as soon as I started removing the nut/bolt holding the rod-end bearing, the safety wire fell out. The safety wire loop on the bearing side had broken and the safety wire was being held only by being compressed in the assembly. In other words, it was not doing anything at all.

This part in the RV10 is on-purpose designed to have the rod-end stick out far more than half the threads in order to prevent interference with the tube itself. The safety wire is meant to prevent the tube from ever turning and working loose. I know I built this to plans and had it checked by another builder at the time.

Based on this experience I'm not happy with this design. In my case the tube twisted enough to put the safety wire on the top where it was then the cause of the interference. Further, I believe the constant working of that safety wire back and forth during landing (especially when forward CG - like flying solo for the first 40 hours) caused the safety wire to work harden and break where it went around the rod-end. I'm not 100% sure what I'm going to do to prevent this from happening again, but I'm considering safety wire on both sides in such a way to prevent the push-rod from rotating in either direction.

I'm not special so I'm assuming I'm not the only one where this has (or is) happening. I suggest everyone have a careful look at this next time you have the tunnel exposed.

In my case I caught it while doing a control system check with everything opened up for my first annual. When I had the stick full aft and moved side to side I could hear something scraping. And that lead to this find. ...


RV-7A Status Report ...jcarne

On to installing a bunch of little things on the fuse. First take: it's fun. Second: it's a lot harder to reach things now but I refuse to build a rotisserie. haha.  Time for some leveling.


Oil leak help

It looks like there is an oil leak coming from under the lower hold-down clamp of my right mag (slick). Looks like the oil is seeping through the stud and out from under the hold-down nut. I recently changed oil and adjusted the timing of the right mag. I have not flown since then. After finding the leak on the floor - many drips worth over the course of several days, I cleaned it up, hoping it was just some drips from the recent oil change. Days later the tiny puddle is back. I torqued to 17 ft-lbs after adjusting the timing according to the lycoming manual. Yesterday, I loosened the nut, cleaned up the oil seeps again and re-torqued it. Haven't checked it yet today.

Does it make sense that oil would seep from this spot? I read on the Google that there has been some issues in the past with torque on these hold-down nuts and cracking somewhere. Any suggestions or thoughts?


The Gouge on Ironflight's 60's BD Next Month.


Lycoming 1000 Hour Borescope - Vans RV9A

The video below shows the inside of our IO-320 at 1000 hours, just shy of 8 years in service. We used the VIVIDIA ABLESCOPE VA-400 INSPECTION BOROSCOPE that is available from ACS. Worked pretty good, just wished the resolution was a little higher. See for yourself and feel free to comment:


Mothership Employment Opportunities


How to Minimize the Chance You Could be Dealing with a Scammer

...when using the classifieds.

Model-specific subforums

photo courtesy Van's Aircraft, Inc.






photo courtesy Fred Bauer, Jr.

VAF Calendar ...upcoming Events for the Next 60 Day(s)

08-25-2018: Thunder Over Flagstaff
09-15-2018: KBST - Belfast ME fly-in
09-22-2018: Ironflight's birthday breakfast-brunch-flyin
09-29-2018: KFRH Fish Fry Fly-in 9/29/2018
10-05-2018: 2018 Pine Bluff Formation Clinic
10-06-2018: 2018 Pine Bluff Formation Clinic
10-07-2018: 2018 Pine Bluff Formation Clinic

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