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Marcoux Bromberg (Read 2838 times)
Reply #61 - Today at 6:32am

New Builder   Offline
Senior Member
Amherstburg, Ontario, Canada

Posts: 851
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Hi Gary - Thanks for the nice words and a little progress is all right with me, nothing but time so can experiment and do it right. Trying a new photo method. These pics came from my tablet and is light years ahead of my simple digital camera I have been using. Needs an extra step to move them from my tablet to my computer but seems to be worth the effort. These pics show the assembly of the elevator and the horizontal stab. Need to get to the store for some epoxy to bond the hinges to the horizontal stab then add the top covering, add the tips, sand, etc. As mentioned earlier, back to the wing.
Mike
 

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Have no fear of perfection - you'll never reach it. (Salvador Dali 1904 - 1989)
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Reply #60 - Yesterday at 9:40pm

Skyediamonds   Offline
Global Moderator
Enjoying life and all
aspects of modeling
Reno, Nevada

Posts: 2366
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Wow.... You really have come a long ways on the racer.  Kudos to you and your easy-going pace to give you some artistic license as you go along.  I know exactly what you mean.  You've done a fantastic job on the horizontal stab.  I'll definitely be watching over your shoulder and learn as you go along.

Thank you for your posts!  Thank you

Gary (Skye)
 
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Reply #59 - Yesterday at 7:53am

New Builder   Offline
Senior Member
Amherstburg, Ontario, Canada

Posts: 851
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Hi Paul - Thanks for the good words and looking in. It's going a bit slow since there is a lot of design work going on since there is nothing to go on except the very good three view drawings. I'm stealing some functionality from the AT6 but having to design my way into the rest of it.
Mike
 

Have no fear of perfection - you'll never reach it. (Salvador Dali 1904 - 1989)
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Reply #58 - Yesterday at 6:45am

shipwreck   Online
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Navy Vet
Medina Ohio

Posts: 259
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Looks great Mike Smiley
Paul
 
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Reply #57 - Mar 18th, 2019 at 7:19am

New Builder   Offline
Senior Member
Amherstburg, Ontario, Canada

Posts: 851
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Quote:
I think you're already building an rc ship, Mike

A lot of things will come before that ever happens again, like buying a yacht, moving to China, I'll even build another peanut before going back to RC. All the components and the mess, this is the quiet form of this hobby that I need at this point in my life. I chose the hinge as a nice substitute for making one and it will mostly be covered when all is said and done. Wait till you see what I have ready for the piano hinge replica for the flap arrangement. That's a bit down the road however. Moving back to the wing, more small parts to make a bigger part.
Mike
 

Have no fear of perfection - you'll never reach it. (Salvador Dali 1904 - 1989)
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Reply #56 - Mar 17th, 2019 at 4:32pm

Kerak   Offline
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I Love YaBB 2.5 AE!
Roy, Utah

Posts: 1859
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I think you're already building an rc ship, Mike!  Cheesy Grin

Neal
 
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Reply #55 - Mar 17th, 2019 at 7:10am

New Builder   Offline
Senior Member
Amherstburg, Ontario, Canada

Posts: 851
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Elevator covering complete and tips added and shaped. Will need a bit of final sanding and then add to the horizontal stabilizer, cover that, add the tips there, sand to final shape and move back to the wing. Counted up the small pieces in the elevator and came out to 26 parts. Structure is very strong now and can handle pretty well to sand and fill.

Been thinking that this may make a pretty good rubber powered model with a bunch of weight reduction. Will have the fuselage formers completed and the wing outline done so with some light wood and a sliced rib wing, may fly fairly well.
Mike
 

Have no fear of perfection - you'll never reach it. (Salvador Dali 1904 - 1989)
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Reply #54 - Mar 14th, 2019 at 8:19am

New Builder   Offline
Senior Member
Amherstburg, Ontario, Canada

Posts: 851
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Hi Neal - Ironing on covering is a technique that allows sheeting to be added to a compound curved surface such as the horizontal stab section of my airplane. The surface curves down in the horizontal direction as well as the front to back direction and I just don't have enough fingers to hold everything in place till the glue dries. All that is necessary is to apply two full strength coatings of white or yellow glue to the surfaces desired to be bonded together and let each coat dry between applications. Then I usually glue some surface in a small place just to hold the sheeting from sliding around. Then set a household iron to a fairly warm setting and literally iron on the covering. The heat reactivates the glue enough to adhere to each other and cure hard. Be sure everything is where you want it as this is absolutely permanent and "bark on tree tight", no rework can be done. I'm using 1/32" covering and the heat is moderately warm, my convention is just don't turn the wood brown. I also bought a small travel iron at our local Value Village for about $5.00 and use it just for this application. I think this methodology originated in a veneering shop by some enterprising woodworker that didn't want to use the usual application of hot hide glue and veneer hammering. It'd a bit messy but absolutely traditional.
Mike
 

Have no fear of perfection - you'll never reach it. (Salvador Dali 1904 - 1989)
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Reply #53 - Mar 13th, 2019 at 9:05pm

Kerak   Offline
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I Love YaBB 2.5 AE!
Roy, Utah

Posts: 1859
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Looking good, Mike...iron on?  I've missed something.... Huh

Neal
 
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Reply #52 - Mar 12th, 2019 at 10:30am

New Builder   Offline
Senior Member
Amherstburg, Ontario, Canada

Posts: 851
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Back to work on the horizontal stab hinge solution and it is well under control. Got the hinges in and the frame stabilized so I could actually touch it without breaking it. The bottom cover on the horizontal stab is done and ironed on and the bottom of the elevator is done and ironed on also. Time to trim it up, install the mating surfaces and iron the final covering.
Mike
 

Have no fear of perfection - you'll never reach it. (Salvador Dali 1904 - 1989)
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Reply #51 - Feb 20th, 2019 at 1:24pm

New Builder   Offline
Senior Member
Amherstburg, Ontario, Canada

Posts: 851
****
 
Hi Neal - Thanks for the good words and for looking in. I knew somebody would recognize the hinge. I started to build some and went to the model shop before I got started, glad I did. Think I'm going to use thick CA for the tube, maybe can control it a bit more then iron on the skin and assemble the whole thing.
Mike
 

Have no fear of perfection - you'll never reach it. (Salvador Dali 1904 - 1989)
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Reply #50 - Feb 20th, 2019 at 1:03pm

Kerak   Offline
Senior Member
I Love YaBB 2.5 AE!
Roy, Utah

Posts: 1859
****
 
You sure you're not building an rc ship?  Wink Cheesy Grin  Looks really "spiffy," Mike.  Nice to find something so "perfect" to "fill the bill."  Smiley

Neal
 
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Reply #49 - Feb 20th, 2019 at 11:31am

New Builder   Offline
Senior Member
Amherstburg, Ontario, Canada

Posts: 851
****
 
Got more done on the horizontal stab and elevator hinge methodology. Abandoned the round reed outline for a more traditional method. Was finally out to the hobby shop in a nearby town looking through their products and ran across the DuBro display and in there was the answer to my hinge problem. It's a two piece hinge with a steel pin. Drilled out the pin, sanded the barbs off to get it down to about 1/16 diameter. Also drilled out the pin hole to 1/16 diameter to accept the mating pin I will put inside the assembly. Built up an elevator and started installing the hinge assembly and immediately broke the assembly, however this is going to work when I figure out how to glue the tube to the inside of the frame without gluing the hinge in place, one down and five to go. Also ironed on the first cover for the horizontal stab and will wait to add the top (bottom?) cover when the hinges are all installed and proven to work. More soon.
Mike
 

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Have no fear of perfection - you'll never reach it. (Salvador Dali 1904 - 1989)
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Reply #48 - Feb 13th, 2019 at 9:02am

New Builder   Offline
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Amherstburg, Ontario, Canada

Posts: 851
****
 
Quote:
So the Marcoux Bromberg no doubt availed itself of proven standards and methods

Neal - The Marcoux Bromberg came a bit before the North American products but you are right, why reinvent when you can use existing methods. This is why I was drawn to the AT6, similarities in look and function. It was just by luck I ran across the manufacturers drawings of the AT6 functionality, made the job of moving forward much easier. Stick with it I will, the plane is going to see action in next years Canadian Historic Hanger model show. Looking for first place in the display category.
Mike
 

Have no fear of perfection - you'll never reach it. (Salvador Dali 1904 - 1989)
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Reply #47 - Feb 12th, 2019 at 12:14pm

Kerak   Offline
Senior Member
I Love YaBB 2.5 AE!
Roy, Utah

Posts: 1859
****
 
I was jesting, Mike...(A)T-6, SNJ, Harvard...it's all the same. Wink Cheesy Grin

"The North American Aviation T-6 Texan is an American single-engined advanced trainer aircraft used to train pilots of the United States Army Air Forces (USAAF), United States Navy, Royal Air Force, and other air forces of the British Commonwealth during World War II and into the 1970s. Designed by North American Aviation, the T-6 is known by a variety of designations depending on the model and operating air force. The United States Army Air Corps (USAAC) and USAAF designated it as the AT-6, the United States Navy the SNJ, and British Commonwealth air forces the Harvard, the name by which it is best known outside the US. Starting in 1948, the new United States Air Force (USAF) designated it the T-6, with the USN following in 1962. It remains a popular warbird aircraft used for airshow demonstrations and static displays. It has also been used many times to simulate various Japanese aircraft, including the Mitsubishi A6M Zero, in movies depicting World War II in the Pacific. A total of 15,495 T-6s of all variants were built."

Magnificent aircraft!  Worthy of modeling all by itself (check out Bob's effort on site).  Saw an old movie not too long ago in which Tyrone Power (an authentic Navy pilot during WW2) delivered a new one across the border into Canada...a no-no at the time because the U.S. was officially neutral.  Wink  Apparently the Canadians were supposed to come across the border, collect them...then tow them across.  Grin Grin Grin  I've seen a lot of them on the ground and in the air in my life...lots.

There's little doubt that the Navy and Army had some beautiful color schemes 'tween the wars...officially for public relations purposes.  Fun stuff to model...blue fuselages...chrome yellow wings...on and on.

As for your research Mike...feel assured that proven methods and systems were used and reused...no one was looking to waste time and effort re-inventing something that had already successfully demonstrated itself.  So the Marcoux Bromberg no doubt availed itself of proven standards and methods. My guess is that you're definitely on the right track....Smiley

Stick with it, Mike. Smiley

Neal
 
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