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  #121  
Old 08-11-2014, 03:11 PM
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TangoPapa TangoPapa is offline
 
Join Date: Jul 2011
Location: Ponte Vedra, FL
Posts: 36
Default Oetiker Clamps

Very nice work Andy. check these clamps out, I thing you might like them over the typical worm clamp used on your exhaust mounts.

http://www.oetiker.com/en/Products#/...BF1968E7CF65F6

Available on Amazon.
http://www.amazon.com/dp/B008L4874S/...I3FQ1HJW6XBYO4
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  #122  
Old 08-11-2014, 04:18 PM
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akarmy akarmy is offline
 
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Location: Auburn, WA
Posts: 668
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oh for crying out loud... those look very nice. I had only seen the non adjustable ones used on my Rotax engine. I like the looks of those step less crimp variety. Of course they would be disposable, but then you really are not removing things that much.

I'll have to see about that.
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Covington WA

RV-8 - Flying!
RV-9A - sold

Dec 2019 Paid
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  #123  
Old 08-11-2014, 05:10 PM
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TangoPapa TangoPapa is offline
 
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Location: Ponte Vedra, FL
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I had a feeling you would like them. I discovered them on my sea-doo which also runs a Rotax.
Enjoy the build and keep up the nice work.
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  #124  
Old 08-12-2014, 05:55 AM
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Location: Fredericksburg, Virginia
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Beautiful work,
When I moved my KR-2 to the airport years ago, I was blown away to read the g-meter upon arrival 4g!
I was driving as if hauling nitroglycerin too.
Suggest you make sure you tie that beauty down secure (in and out).
Daddyman
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  #125  
Old 08-19-2014, 05:35 PM
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akarmy akarmy is offline
 
Join Date: Jan 2005
Location: Auburn, WA
Posts: 668
Default Prop & tail installed

The prop fit up just nicely. Had to put it on twice since I missed the alignment with the spinner backplate and the cone wouldn't fit the holes. Catto nicely drilled the spinner and backplates for me so everything would fit nicely. After pulling it back off and turning it one lug everything lined up great.

Untitled by akarmy, on Flickr

It was more work than I remembered to get the tail installed with all the hardware and washers. Guess I had sort of left some of them off during the last fitting. Everything went back on fine and the elevator and rudder swing free with the pivot bolts tight! It was a bit of head scratching to get the manual trim tab installed and cable run, but it all followed the plans in the end and I was able to get the required angles in the adjustment.

Untitled by akarmy, on Flickr

Next up wings!
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RV-8 - Flying!
RV-9A - sold

Dec 2019 Paid
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  #126  
Old 08-19-2014, 05:50 PM
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akarmy akarmy is offline
 
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Location: Auburn, WA
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Default Wing mounting

It turned into a bit of a long day as we mounted the wings for the first time, drilled the rear spar, marked the nut plates and drilled the tank brackets, then pulled the wings off, and I worked the rest of the day finishing all the nut plates and brackets off so we can mount them back for good later this week.

First off, It was great having a good crew of help. Marv Scott one of our EAA chapter tech counselors, Allan Scott, RV-8 builder and Marv's brother, and Curt Bryan, retired Navy, RV-4 builder came to help out. Lots of hands make it a fairly painless job!

The wings slid in easily with some wiggling at the tips. We had some ground down 7/16 pins from Pete another RV-8A builder on the field to secure the wings in place.

Wings are on by akarmy, on Flickr

Then lots of measuring and conversing commenced! No shortage of pictures of head scratching as we considered the various measurements and what they meant.

First the measurement from each tip to tail was taken to get them symmetric.

Pondering a measurement by akarmy, on Flickr

Then the plumb bobs come out to check the sweep. Got it to within 1/32 (or half the width of the string we were using) and symmetric both sides. I think that will do.

Checking sweep by akarmy, on Flickr

Then we checked and set the incidence. I had a standard bubble level, a digital "smart" level, and a Starrett engineering level. Guess what they said, all were different! When the smart level was showing zero, the Starrett was full scale off. It was quite a bit more sensitive and the perfect tool for the job.

Adjusting incidence by akarmy, on Flickr

My favorite part was when Marv suggested we check the wings just inboard of the tips as well. because you can't do anything about it if it's off, but it will give you something to think about tonight! lucky for me they were dead on level just like the root so no twist in the wing panels, YEA.

Finally it was time to drill the rear spar bolt.

Drilling the rear spar by akarmy, on Flickr

We started small and worked up in size and then final reamed the hole.

Untitled by akarmy, on Flickr

As I said, in the end there was a lot of head scratching as we went through each step, but we kept working fairly fast in spite of that. We had the wings on and back off in 3 hours. This is my favorite picture from the day.

Head scratching by akarmy, on Flickr

Thanks to Allan for taking the pictures while I was crawling around drilling holes and making measurements.
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  #127  
Old 08-20-2014, 11:55 AM
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AndyRV7 AndyRV7 is offline
 
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That looks like a nice plane!
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  #128  
Old 08-22-2014, 10:52 AM
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akarmy akarmy is offline
 
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Location: Auburn, WA
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Default Wings mounted for good

Got the wings mounted for the last time with the help of Marv Scott, Kevin Behrent and Curt Bryan my good friends from EAA326.

It went easy other than the bolts are quite tight! Even with grease I pulled out the rivet gun which made things much easier!

Wings mounted by akarmy, on Flickr

Wings mounted by akarmy, on Flickr

Wings mounted by akarmy, on Flickr
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Dec 2019 Paid
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  #129  
Old 09-01-2014, 06:47 PM
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akarmy akarmy is offline
 
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Location: Auburn, WA
Posts: 668
Default Last 10%

Been working days and nights on the last 10%, everywhere you look there's a small project needing to be done, but having 4 straight days to work all day really allowed me to power through the punch list.

First up was wrapping up the AeroLED Strobes and AeroSun VX lights! Man these things are BRIGHT!

Untitled by akarmy, on Flickr

Vent lines and front tank attach bolt complete the wing root area.

Untitled by akarmy, on Flickr

Flaps and ailerons rigged, this took much longer than I figured. When I got them all in place the right and left flaps were at different distances from the fuselage bottom. One twice the other. Hum, that just doesn't seem right. Spent 3 hours chasing down the rigging and making sure each step was correct. Sure enough I found one aileron off to the tooling hole jig, and once I raised that, the flaps matched much nicer. Then I put on the flap intersection fairing. Bit tricky to get to the rivets on the inside, but it's doable, other than 1 pulled rivet I used on the bottom where I didn't have bucking access.

Untitled by akarmy, on Flickr

Untitled by akarmy, on Flickr

Oh, and you know all those neat methods to secure the flap hinge pins, ya I didn't do them!

Untitled by akarmy, on Flickr

Some filler on the overlaps of the cowl to tune up the gaps.

Untitled by akarmy, on Flickr

to be continued...
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RV-8 - Flying!
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  #130  
Old 09-01-2014, 06:53 PM
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akarmy akarmy is offline
 
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Location: Auburn, WA
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Before putting down the floors I snapped a few pictures to remember what's under there.

Untitled by akarmy, on Flickr

by akarmy, on Flickr

by akarmy, on Flickr

by akarmy, on Flickr

by akarmy, on Flickr

by akarmy, on Flickr

by akarmy, on Flickr

Then I mounted the wheel pants in prep for weighing. It was fairly easy, but took quite awhile. I kept thinking how smart DanH was at doing it on the bench before mounting the gear as I was crawling around the hangar floor...

but I did get to use a laser!

Untitled by akarmy, on Flickr

Put the data plate on...

Data plate by akarmy, on Flickr
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