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Old Oct 22, 2014, 11:36 PM
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Stachel's Avatar
Clearwater, Florida
Joined Jul 2005
90 Posts
Build Log
Dumas Ercoupe 36 inch span

Hey guys,
I've been having a ball flying my little foamie Aeronca Champ but couldn't help thinking how great it'd be to have something that might deal with windy days better.

Then I happened to see a movie on TCM called Inferno starring Robert Ryan and it had an Ercoupe! Seeing it flying around was great (even though the bad guy was in it) and I just was reminded of what a great-looking plane it is. Love that wing with that elliptical wingtip.

So, off to Google and this site and found out Dumas makes a smaller one suitable for parks and such. I'm in luck! Plus it being designed by Pat Tritle made it a no-brainer to put in the order.

So far, so good. Here is the fuse on the jigging frame ready for some stringers. It's really a nice build and the wood's pretty good. I was noticing that Pat's build showed it UPSIDE DOWN on the frame, but of course it was a different set-up than what's shown. No problems so far.

My long-suffring D.VII will have to wait a little longer, and my new Nieuport 28 will wait even longer. But, I'll have an Ercoupe soon!
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Old Oct 27, 2014, 09:05 PM
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Stachel's Avatar
Clearwater, Florida
Joined Jul 2005
90 Posts
Has anyone had problems with the balsa in this kit??? I only found out after getting accidentally glued to the wood with some thin CA.
Some rebuilding will be required.
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Old Oct 28, 2014, 05:39 AM
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nytjadens's Avatar
United States, NY, Dobbs Ferry
Joined Oct 2008
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Oh no! I have found ca and I don't get along... I like Titebond :-) Nice choice, the Ercoupe is a good looking bird.

Stephen
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Old Oct 28, 2014, 06:16 AM
Branjo
Joined Sep 2013
270 Posts
Some of the wood has seemed brittle to me before in the dumas kits but nothing too bad. I still like them. I also am a fan of Sig Super weld glue. Its really nice.
Branden
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Old Oct 28, 2014, 09:24 AM
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Stachel's Avatar
Clearwater, Florida
Joined Jul 2005
90 Posts
I'm going to definitely try the Sig Super Weld. Ambroid supplies seem to be non-existent now! I have some trusty Duco cement that I've used on a few Guillow's models in the past. On my Fokker D.VII I've used Titebond almost exclusively, and it's STRONG.
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Old Oct 28, 2014, 11:52 AM
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glewis's Avatar
USA, FL, Tampa
Joined Jul 2002
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I prefer the original Tightbond thinned about 10-15% with distilled water. Thinning slightly promotes wicking into the wood grain and the glue dries faster too. Thin any more than that and it gets weak.
I like the original because water is used as a debonder.
Where do you fly? I belong to the Largo Flying Club.
Glenn
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Old Oct 28, 2014, 01:19 PM
The Junk Man
Jacksonville, Florida
Joined Jul 2006
1,667 Posts
Glenn, diluting glue with water gives the illusion of "penetrating" better but does not actually do so. The additional water penetrates, yes... but all you do is make the wood wet. The solids that determine the real strength of the glue do not penetrate any better.

And I like the original Titebond too. Plenty fast enough for me and stronger than the wood it is bonding.

Tom
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Old Oct 28, 2014, 02:05 PM
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Stachel's Avatar
Clearwater, Florida
Joined Jul 2005
90 Posts
Quote:
Originally Posted by glewis View Post
I prefer the original Tightbond thinned about 10-15% with distilled water. Thinning slightly promotes wicking into the wood grain and the glue dries faster too. Thin any more than that and it gets weak.
I like the original because water is used as a debonder.
Where do you fly? I belong to the Largo Flying Club.
Glenn
Hi Glenn,
I'm between clubs right now...a veteran of WPMPA, Bay City and TRAC!
How is the field at Largo?
Lyle
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Old Oct 28, 2014, 02:59 PM
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glewis's Avatar
USA, FL, Tampa
Joined Jul 2002
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Learned to fly with the Bay City guys back around 1976 or so.
The Largo field is very nice. Nice enough for me to drive all the way from north Tampa to fly there! It is on the small side, but that is fine with me as I fly smaller models anyway.

The city leveled the site and we have a new geotextile runway laid over rolled crushed asphalt. We have a solar charged 12 volt power buss to connect chargers to and a nice sheltered area with plenty of tables.

You should come by and check it out!
http://www.largoflyingclub.org/
Next fun-fly and swap meet is this Saturday. Free donuts for breakfast and usually pizza or hot dogs for lunch. Ask for Dave or Ray and tell him Glenn sent you.
They will then promptly escort you off the property... LOL!!! Just kidding....
Great bunch of guys there. I've been in a few clubs in my time and this one is by far the best one ever!
Glenn
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Old Oct 28, 2014, 04:33 PM
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Clearwater, Florida
Joined Jul 2005
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Hey Glenn,
I got my start at TRAC in 1979 when they were still flying out of the old Henderson Field site on Bougainvillea. What a terrific site that was. I did visit the old Bay City site before the Winn Dixie got built there. That used to be way, way out in the sticks then. Now, it's just urban sprawl! Good flying site, too when it was a field, like the Boot Ranch. So much has changed around here.
I'm going to try to come out Saturday...I am really close by so no excuses!
Lyle
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Old Oct 28, 2014, 05:54 PM
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glewis's Avatar
USA, FL, Tampa
Joined Jul 2002
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Trip down memory lane....
My first exposure to RC aircraft was a booth TRAC had set up at the Florida State Fair when it was still downtown on Kennedy. My dad took me to Henderson Field to see them fly planes. That was in about 1964 and I was about 8 years old. I remember because dad had a new Volkswagen Beetle and one of the planes crashed into drivers side door and boy was he mad! Caved in the door on his new car!

Yep, the Bay City field at Waters and Sheldon is where I learned to fly. Man, that was a while ago! Long story, but the guys that flew there still remember the kid that got treed by the bull while trying to retrieve another flyers plane that crashed in the adjacent field. That kid was me.... Dang bull....

Years later I worked at a place on 40th street, just north of the old Henderson Field. Talked to some guys flying control line planes there just before it was fenced off. Now it is a storage area for Busch Gardens.

I hope you do make it to our fun-fly. Maybe I will try to attend, but I will be there early to get a few flights in before the event starts.
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Old Oct 30, 2014, 03:12 PM
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Clearwater, Florida
Joined Jul 2005
90 Posts
There were quite a few incidents there. I remember one trainer going too far downrange and hitting the wires on Bougainvillea and auguring in nearly hitting a car! Then the guy who did a hundred-foot loop in ninety- nine feet...
Looks like I'm working Saturday, so one of these days...
Big cold front coming through, too! Coldest weekend since Feb.or March.
Lyle
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Old Oct 30, 2014, 03:24 PM
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USA, FL, Tampa
Joined Jul 2002
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Saw a bunch of those! Like a guy launching a little 1/2A powered trainer looking thing and it flew backwards in the wind until he lost contact with it! Fun times!

Yea, going to be way too windy for me to make the drive all the way over there.
Wouldn't be able to fly any of my models in a 20 MPH wind!
http://www.usairnet.com/cgi-bin/laun...=KSPG&state=FL

Hope to meet up with you somewhere, sometime.
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Old Nov 09, 2014, 01:03 AM
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United States, WA, Seattle
Joined Oct 2012
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Lyle,
How's the build going? You have any more picks?
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Old Nov 10, 2014, 12:32 AM
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Stachel's Avatar
Clearwater, Florida
Joined Jul 2005
90 Posts
Here is the latest on my fuse rebuild. It was not a pretty sight, to say the least. After that experience, I am glad to go back to my roots in modeling and use Duco cement. You can't get Ambroid anymore so this will be more than adequate. In fact, I have had 0% frustration and minimal breakages by using Duco as opposed to using CA glue.

I was never really a member of the Zap gang and they are glad to see me go, I'm sure.

So, here it is tonite on its frame ready for most of the stringers. This will really impart a lot of strength, and the frame straightens up what you've built so far. The elevator servo is getting located, too. The plans show it shoved up against former 6, the first circular one, but that's a little far back from the CG for my tastes.

Hope to have more pics soon of the wing underway, but work is getting in the way, so it'll be a bit before I return to update with photos.
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