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Old 01-16-2018, 05:45 AM
Tooch Tooch is offline
Join Date: Nov 2011
Location: Amelia, Va
Posts: 183
Default Heat Pad?

Hey Scott,
In the third picture down, what is that orange pad with the 2 wires going to it?
Looks like some kind of heat pad
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Old 01-16-2018, 08:09 AM
RV8 Tom RV8 Tom is offline
Join Date: Nov 2005
Location: New lenox , Illinois
Posts: 58

I'm guessing light strip for the panel.
Tom Ellis
New Lenox, IL
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Old 01-16-2018, 08:35 AM
jchang10 jchang10 is offline
Join Date: Nov 2005
Location: San Francisco, CA
Posts: 518

As a philosophy, it treats breakage and repair as part of the history of an object, rather than something to disguise. Kintsugi can be seen to have similarities to the Japanese philosophy of wabi-sabi, an embracing of the flawed or imperfect
The similarities are remarkable! You have elevated an airplane to high Japanese art!
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Old 01-17-2018, 11:24 AM
SgtZim SgtZim is offline
Join Date: May 2015
Location: Crittenden, ky
Posts: 173

However despite all of the above, the main reason I would be very cautious about using the Sikaflex approach is because it may be bonded to Vans powder coating which itself has no known quality control and therefore provides no guarantee of adhesion.[/quote]

Great thread here!

This is the first time I've seen a solid critique of using Sikaflex - guess I need to do more research as I was planning to do the same. Bob, I would guess you used Van's methods / rivets?, or is there a better way available?

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Old 01-17-2018, 12:45 PM
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snopercod snopercod is offline
Join Date: Aug 2016
Location: Asheville, NC
Posts: 1,259

Originally Posted by jchang10 View Post
"the Japanese philosophy of wabi-sabi"
Oh, Scott is going to like this! From the Wikipedia entry:
Wabi-sabi (侘寂) is a world view centered on the acceptance of transience and imperfection.
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Old 01-17-2018, 08:01 PM
Captain Avgas Captain Avgas is offline
Join Date: Oct 2005
Location: Melbourne, Australia
Posts: 1,654

Yes Sgt..... no Sikaflex on mine. Coming up to 300 hours and no problems so far. But it's still early days.

I oversized all my holes and used surgical silicon bushings to allow for thermal movement. All my stainless canopy screws were ground to remove the thread inside the thickness of the canopy. Rivetted canopy holes are all countersunk and have tinnerman washers to distribute the load.

No fluted countersink tools used on my canopy. Solid stone countersink only.

All my holes and all my canopy edges were meticulously finished to avoid microscopic chips and discontinuities.

No cleaners/degreasers/adhesion promoters used on my canopy during fabrication other than mild detergent in water and very conservative use of kerosene (followed by immediate wash with mild detergent in water) if absolutely required.
Bob Barrow
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Old 01-21-2018, 11:46 AM
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Scott Chastain Scott Chastain is offline
Join Date: Jan 2005
Location: KMCE
Posts: 683
Default A Father's Blessing

A blast of rain and cold weather swept through California at the end of the week, and I awoke Saturday morning to clear, crisp flying weather. I drove out to the airport and put some preheat on the engine while I waited for the old man to show up. My dad and I were heading to Paso Robles (PRB) for brunch to get the weekend off to a good start.

As my flight instructor when I was just a boy, and as my primary rivet bucker during the build of N898W, my father would be the first passenger to fly in the Dove since the canopy repair. At nearly 82-years old, the 1961 Cal Berkeley graduate climbed into the back seat and strapped in. Soon enough, we were airborne.

My father told me that he didnít even notice the repair while we were flying. He called it patina, something that came naturally with age and time, and there was still so much clear visibility beyond and outside of the repair that, mentally, it soon ceased to exist in his mind.

After biscuits and sausage gravy at Joeís One-Niner Diner, we taxied to the departure end of Runway 31 and shut down at the Estrella Warbirds Museum. An icy breeze whipped through the static displays as we walked through them. I saw my father look over the weapons of war with pause. They looked all too familiar to him from his days in the U.S. Army following the Korean War.

Memories from his T-33 ride many years ago came flooding back.

After spending our morning together, we flew back home to Merced (MCE). My father drove back to the house to be with my mom and to stay warm for the rest of the day. I decided later that, since it was unusually cold for California, now would be a good time to complete the flight testing of the repaired canopy. I strapped back in and flew out toward one of my aerobatic practice areas to perform a few 3.5-G maneuvers.

Then I climbed up to 17,500 MSL and saw the OAT gauge registering -58F.

I still needed to re-calibrate the OAT gauge. Judging from the National Weather Service estimates, it was probably about +10F at that altitude. Nevertheless, it was some of the coldest air I had flown through in the Dove, and the repair remained unfazed. The view from up there was spectacular while it lasted.

I descended over Los Banos (LSN) for $4.10 fuel. The visibility looking southeast down the valley was nearly limitless.

The canopy was robust enough to send back into battle. I topped off the tanks. In spite of its scars, I was grateful to have a plane that I could count on, that the Dove would fly on to see another day. As the sun began to descend in the chill of an approaching darkness, I wondered when that day would come.

Then I climbed in, cranked over, and took off. It came soon enough.
Scott Chastain
RV-8 N898W Descending Dove
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Old 01-22-2018, 11:53 AM
moosepileit moosepileit is offline
Join Date: Dec 2010
Location: Floyds Knobs, IN
Posts: 265

Just needs a "like" button. A big like button.
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Old 03-24-2018, 07:18 PM
tracy tracy is offline
Join Date: Dec 2012
Location: chattanooga,tn
Posts: 172

Hey Scott, good write up. I had the same thing done on my 8 canopy and was told that the yellow tint will fade the more itís exposed to the sun. Have you herd this?
Tracy Willingham
Pitts S2B- sold
Chattanooga, Tn
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